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Cyclone Yazi - Countdown to landfall - 2hr~
Fra : Jan Rasmussen


Dato : 02-02-11 12:42

----------------------------------------------------------------------------------------------------------------------
http://www.news.com.au/breaking-news/floodrelief/north-queensland-braces-for-cyclone-anthony-as-cyclone-yasi-brews-behind-it/story-fn7ik2te-1225998711771#ixzz1Cm2vEiqS

The Bureau of Meteorology says Cyclone Yasi is "likely to be more life threatening
than any experienced during recent generations".
-----------------------------------------------------------------------------------
Live Video link
http://www.ustream.tv/channel-popup/caillins13
------------------------------------------------------------------------------------
Port Douglas Australia - Web Camera
http://www.zincportdouglas.com/camera_2.html
-------------------------------------------------------------------------------------
http://www.news.com.au/breaking-news/floodrelief/how-cyclone-yasi-compares-around-the-world/story-fn7ik2te-1225998762870

Cyclone Yazi - overlejret USA til sammenligning
http://resources0.news.com.au/images/2011/02/02/1225998/819572-tc-yasi.jpg

Cyclone Yazi - overlejret UK til sammenligning
http://resources2.news.com.au/images/2011/02/02/1225998/738290-tc-yasi-superimposed-on-europe.jpg
-------------------------------------------------------------------------------------
Lidt musik fra den kant og måske en smule relevans.
Antarctica' - Peter Garrett - Midnight Oil
http://www.youtube.com/watch?v=3LlMGBZCtXI
--------------------------------------------------------------------------------------------



Jan Rasmussen



 
 
Jan Rasmussen (02-02-2011)
Kommentar
Fra : Jan Rasmussen


Dato : 02-02-11 13:04

http://apnews.excite.com/article/20110202/D9L4J40O0.html
Massive cyclone bears down on NE Australian coast

CAIRNS, Australia (AP) - Police barked at stragglers to get off streets
as one of Australia's biggest-ever storms bore down on the northeast
Wednesday while residents huddled in evacuation centers or hid at home
in bathrooms behind piles of blankets and mattresses.

Australian leaders issued dire warnings of potential devastation for
cities and towns dotted along a stretch of coast more than 190 miles
(300 kilometers) long in north Queensland state, in an area considered
the gateway to the Great Barrier Reef.

The storm will compound misery in Queensland, which has already been hit
by months of flooding that killed 35 people and inundated hundreds of
communities. Yasi is due to hit north of the main waterlogged area, but
emergency services are already stretched and the whole state is
flood-weary.

"This is a cyclone of savagery and intensity," Prime Minister Julia
Gillard said in a nationally televised news conference. "People are
facing some really dreadful hours in front of them."

Quantcast Still, many in the storm's path were stoic. Cairns resident
Jane Alcorn banned those who planned to shelter with her in the garage
of her apartment complex from panicking.

"There's no crying, no hysterics," said Alcorn, 42. "It's going to be
loud, it's going to be scary. But we've got each other."

The first of Cyclone Yasi's winds began howling throughout Cairns as
night fell Wednesday, with the storm expected to make landfall sometime
between 10 p.m. and midnight. Winds at the center of the storm were
gusting up to 186 mph (300 kph), and the front was about 300 miles (500
kilometers) across. The worst winds were expected to last up to four
hours, though blustery conditions and heavy rain could last for 24
hours.

The storm will lash the coast with up to 28 inches (700 millimeters) of
rain and send tidal surges far deeper inland than usual, the Bureau of
Meteorology said.

The bureau said most at risk was a band about 150 miles (240 kilometers)
long between the tourist city of Cairns and the sugar cane-growing town
of Ingham. It was unclear what the damage to the Great Barrier Reef
would be, experts said.

Queensland officials warned people for days to stock up on bottled water
and food, and to board or tape up their windows. People in low-lying or
poorly protected areas were told to move in with family or friends on
safer ground or move to evacuation centers.

"It's such a big storm - it's a monster, killer storm," Queensland
Premier Anna Bligh said, adding that the only previous storm measured in
the state at such strength was in 1918. "This impact is likely to be
more life threatening than any experienced during recent generations."

Greg McNaught, owner of a used car dealership, hurriedly moved computers
and other electronics from the ground floor of his business to his
apartment upstairs. His friend Chris Hincksman plastered strips of tape
over the large storefront windows.

"We're just going to stay here and drink beer," McNaught said, taking a
swig from a can. He admitted being a bit worried by the intensity of
Yasi, but held up his drink and said wryly: "Maybe if I've had enough of
this, it won't matter."

More than 10,000 people were sheltering in 20 evacuation centers,
including one set up in a shopping mall in downtown Cairns, a city with
a population of some 165,000. People huddled in hallways with blankets,
camping chairs and snacks.

Earlier Wednesday, police told people to get off the streets of Cairns.
"Everyone's gotta go now," one officer told pedestrians strolling near
the waterfront. "The water is coming NOW."

Warnings stretched as far away as Townsville, which is slightly larger
than Cairns and about 190 miles (300 kilometers) to the south.

State disaster coordinator Ian Stewart said people should move to rooms
at the center of their houses - usually the bathroom - as they were
structurally safest and usually had no windows that could shatter.
People should bring mattresses and other items to hide behind in case of
flying debris, sturdy shoes, and raincoats in case roofs are ripped off.

Carla Jenkins, a 23-year-old Cairns resident, threw her belongings into
a suitcase, taped up the windows of her house and fled to her
grandmother's sturdier apartment complex with her sister and her dog,
Elmo. The women had a stash of candles, flashlights, water and tinned
food, and planned to spend the night huddled in the bathroom away from
the windows.

"I can't see many Cairns people sleeping tonight," she said. "Tonight's
going to be a very scary night."

The timing of Yasi's expected landfall, just after high tide, meant high
storm surges of at least 6.5 feet (two meters) were likely to flood
significant areas along the coast, the weather bureau said.

Australia's huge, sparsely populated tropical north is battered each
year by about six cyclones - called typhoons throughout much of Asia and
hurricanes in the Western hemisphere. Building codes have been
strengthened since Cyclone Tracy devastated the city of Darwin in 1974,
killing 71 people, in one of Australia's worst natural disasters.

The storm will rip across part of the Great Barrier Reef, which
stretches 1,600 miles (2,600 kilometers) along Queensland's coast. The
reef's park authority said in a statement it was too early to predict
what the impact would be on the world's largest living organism.

Ove Hoegh-Guldberg, an expert at the Global Change Institute at the
University of Queensland, said cyclones usually cause localized damage
to the reef, and the extent would depend on factors such as how fast is
passes over. Usually, damaged parts of the reef recover from cyclone
damage in one to three decades, he said.


Jan Rasmussen



Axel Hammerschmidt (02-02-2011)
Kommentar
Fra : Axel Hammerschmidt


Dato : 02-02-11 21:27

Jan Rasmussen <1@1.1> wrote:

<snip>

Jeg sad lige og så et videoklip fra en Brisbane avis og det så såmen
ikke så slemt ud. Cyklonen er iøvrigt blevet nedklasset til 3.

Og så om oversvømmelserne. Husene i Queensland står normalt på pæle. De
gjorde langt de fleste, dengang jeg boede der. Men i mellemtiden har
folk fået "moderne byggevaner" så husene ligner dem i England og
befolkningstallet - Brisbane var 600.000 i begyndelsen af 50'erne, idag
er den ca 2 millioner - har vokset enormt og det bevirker, at
lavtliggende områder, hvor man normalt ikke ville bygge er blevet
"urbaniseret".

Og det er der miseren ligger. Det har ikke en skid at gøre med
klimaforandring.


--
Ikke ham på Facebook.

Lars Kongshøj (02-02-2011)
Kommentar
Fra : Lars Kongshøj


Dato : 02-02-11 21:55

Den 02/02/11 21.26, Axel Hammerschmidt skrev:
> Og det er der miseren ligger. Det har ikke en skid at gøre med
> klimaforandring.

Denne her tråd har vist heller ikke meget med videnskab at gøre, snarere
om sensationsjournalistikkens spekulationer om konsekvenserne af et
forestående blæsevejr.

/Lars

N_B.DK (02-02-2011)
Kommentar
Fra : N_B.DK


Dato : 02-02-11 23:14

"Lars Kongshøj" <lars_kongshoj@hotmail.com> wrote in message
news:4d49c4ab$0$23758$14726298@news.sunsite.dk
> Denne her tråd har vist heller ikke meget med videnskab at gøre,
> snarere om sensationsjournalistikkens spekulationer om konsekvenserne
> af et forestående blæsevejr.

En cyklon i kat 5 er blæsevejr?

Imponerende, det lyder jo mæsten som hatten blot blæser af, byer hvor over
90% af husene er skadet, og det er bare lidt blæsevejr, årh den slags
idiotiske udtaleser finder man da kun i DK.

--
MVH. N_B_DK



Axel Hammerschmidt (03-02-2011)
Kommentar
Fra : Axel Hammerschmidt


Dato : 03-02-11 01:20

N_B.DK:

> "Lars Kongshøj" <lars_kongshoj@hotmail.com> wrote in message
> news:4d49c4ab$0$23758$14726298@news.sunsite.dk
>
>> Denne her tråd har vist heller ikke meget med videnskab at gøre,
>> snarere om sensationsjournalistikkens spekulationer om
>> konsekvenserne af et forestående blæsevejr.
>
> En cyklon i kat 5 er blæsevejr?

Den blev nedgraderet til kat 3.


--
Banned from Version2.dk for writing a Firesheep script.

Jan Rasmussen (03-02-2011)
Kommentar
Fra : Jan Rasmussen


Dato : 03-02-11 06:36

"Axel Hammerschmidt" <hlexa@hotmail.com> skrev i en meddelelse
news:Xns9E81D957B68Ehlexahotmailcom@130.225.254.104...
> N_B.DK:
>
>> "Lars Kongshøj" <lars_kongshoj@hotmail.com> wrote in message
>> news:4d49c4ab$0$23758$14726298@news.sunsite.dk
>>
>>> Denne her tråd har vist heller ikke meget med videnskab at gøre,
>>> snarere om sensationsjournalistikkens spekulationer om
>>> konsekvenserne af et forestående blæsevejr.
>>
>> En cyklon i kat 5 er blæsevejr?
>
> Den blev nedgraderet til kat 3.

Ja efter den 'gik i land'. Til sammenligning hade Cyklone Tracy en Cat 3-4 styrke.
http://en.wikipedia.org/wiki/Cyclone_Tracy


Dette må være en noget underlig oplevelse.

Mr Wilson said the hotel building had been built to withstand category 5
cyclones, but the walls were shaking as the cyclone hit.
"It sounded a lot like a jet engine - it was almost unbearable, the noise," he said.

"You could hear the sound of the trees being shredded and the occasional snap."
The eye of the cyclone passed directly over the town.
"It went absolutely quiet - the stars were shining, there was a symphony
of frogs crocking ... then about 45 minutes later the maelstrom came
back," Mr Wilson said.


http://www.nzherald.co.nz/world/news/article.cfm?c_id=2&objectid=10703850
Cyclone Yasi: 90pc of bananas gone

There are early predictions more than 90 per cent of Australia's banana crop
was wiped out as Yasi blew through north Queensland overnight.

The sugar industry is also counting the cost of the disaster, with suggestions
crop losses of up to half a billion dollars.

North Queensland's small coastal communities appear to have borne the
brunt of Cyclone Yasi's fury, while the region's major cities of Cairns
and Townsville escaped relatively unscathed.

The town of Tully is emerging as the one of the worst hit, with reports
that no trees have been left standing and 90 per cent of the main street
is extensively damaged.

"At this stage there are no reports of any serious injuries or fatalities"

This afternoon (NZT) Ms Bligh said the hardest hit towns were Tully,
Silkwood, Mission Beach, Cardwell and Innisfail - where power poles had
been snapped in half.

"In Tully, for example, the early estimate is that one in three houses
has either lost its roof or been completely demolished, and more than 20
per cent of businesses in the main are significantly impacted," she
said.

The seaside township of Cardwell, which was completely evacuated on
Wednesday, had sustained "significant devastation", Ms Bligh said.

Emergency crews had only recently cut their way into Cardwell,
Ms Bligh said.

'Trees like matchsticks'

Yasi made landfall at Mission Beach about midnight (AEST) when it was
still a category five tropical cyclone.

The manager of the Elandra Resort David Brook said the area now looked
like "Vietnam (in the war movie) Apocalypse Now".

Trees are down, cars have been swept away, roofs have been torn off and
the sand on the beach is gone.

"Nothing's been spared. The devastation is phenomenal, like nothing I've
ever experienced," the veteran of at least five cyclones told the ABC.

"The only thing I can compare it to is standing on the wing of a 747
while it is going 600km/h. There's an undulating roar. Your ears are
popping.

"I've never experienced anything like it."

The environment around his resort had been all but destroyed by the
storm, he said.

"I'm just looking at it now through the broken windows of my rental car.

"The trees are like matchsticks. The driveway is completely covered in
branches. The bush we drove through to get here has been completely
defoliated."

Police who bunkered down in the Mission Beach police station said they
didn't know how bad the damage was, as it was still too dangerous for a
proper look around.

But officer in charge Sergeant Dan Gallagher said trees had been reduced
to sticks, streets were littered with debris, and some buildings had
been damaged.

"... I'm expecting extensive damage," he said.

Street 'ripped apart'

Ms Bligh said the first assessment of the town of Tully, home to 3,500
residents, had 90 per cent of the main street "extensively damaged".

Linda Timms, a reporter with the Tully Times, told ABC Radio she now has
a clear view of Mt Mackay, which was previously obstructed by trees.

"There are trees down everywhere," she said, agreeing it was not an
exaggeration to say there was not a tree standing in Tully.

Tully resident Stephanie Grimaz said houses in her street had been
ripped apart.

"The flat from across the street is in our front yard and we can see
other houses which have just been destroyed," she told AAP.

"There are sheets of iron everywhere, the streets are just full of
debris."

Red Cross worker Noelene Byrne decided to move the evacuation centre
from Tully's senior citizens hall on Wednesday night because she feared
the 10 people there would not be safe.

"I'm now in front of the senior citizens and it's one mangled heap," she
told ABC Radio on Thursday morning.

"Had I left people there, there would have been loss of life.

"The destruction there is just heartbreaking.

"It's just the front wall of the hall that's standing, the rest is just
one big scrap heap."

Veteran Cardwell Shire Councillor and former Mayor Joe Galeano lost 70
per cent of his 12,000 tonne cane crop and the guttering from his house
in the howling winds of Cyclone Yasi.

He endured four hours of those winds sheltering in a shed, waiting near
a tied up boat in case flood waters arrived.

The cyclone was the worst he'd experienced in 72 years at Lower Tully -
15km from the Tully township, he said.

"The only way to describe the wind is - it's like a monster trying to
get at you.

"I've been through a lot of cyclones but this was the worst I've ever
seen. It was howling. It was worse than Cyclone Larry by miles. I don't
know what someone who had never experienced anything like it would have
done."

Noise 'the worst thing'

A spokeswoman for the Cassowary Coast disaster coordination service said
Tully residents had reported roofs off on coastal homes, broken windows,
fallen trees and foliage stripped from the landscape.

One family had to wait out the storm under a vehicle after their garage
roller door was blown off by the cyclone.

"They're just lucky they had that vehicle to shelter behind.

"It seems the noise of the wind was the worst thing. It was just
frightening at 12am, hearing things and not knowing what was being
damaged."

The damage would have been worse had a predicted storm surge reached its
expected heights, she said.

News Limited photographer John Wilson called ABC Radio from a hotel in
Tully.

Mr Wilson said the hotel building had been built to withstand category 5
cyclones, but the walls were shaking as the cyclone hit.

"It sounded a lot like a jet engine - it was almost unbearable, the
noise," he said.

"You could hear the sound of the trees being shredded and the occasional
snap."

The eye of the cyclone passed directly over the town.

"It went absolutely quiet - the stars were shining, there was a symphony
of frogs crocking ... then about 45 minutes later the maelstrom came
back," Mr Wilson said.

'Like napalm'

At Innisfail, which was devastated by Cyclone Larry in 2006, Cassowary
councillor Bill Horsford said daylight had revealed a devastated
landscape.

"It's just like the place has been sprayed with napalm, there's hardly a
green leaf around, all of the beautiful mountains are now brown," he
told the ABC.

"The cane crops are going to be devastated, it's just going to be
devastation all round and all I can hope for is that there has been no
loss of life or serious injury."

Major General Peter Cosgrove, who led the recovery effort after Cyclone
Larry, said the main priority must be counting heads.

"It's particularly important in rural communities where you have farmers
that are isolated. Emergency workers have to make sure people are safe,"
he told the Nine Network.

The premier said a major logistical task was now looming, initially to
free up evacuation centres for people whose homes had been hit, and then
to rehouse those people.

"We don't know the extent of it yet, but we are planning for a very
significant homelessness problem, for potentially, you know, several
thousand people," she said.

Cairns escapes worst

Cyclone Yasi has left Cairns relatively unscathed and the city will be
open for business "very soon", the city's mayor says.

"The CBD and our beautiful esplanade in Cairns is unscathed," Mayor Val
Schier said on Thursday morning.

"The main concern at the moment is we're waiting for the electricity
authority to let us know the all clear because we don't want people
coming into contact with live power lines.

"We lost power in some suburbs from very early on - from 7 o'clock in
the evening - so the majority of Cairns is without power."

She said there had been no major reports of structural damage.

"We'll be out cleaning the streets and getting rid of the debris and
giving people the all clear to go home," she said.

Forecast

Tropical Cyclone Yasi was downgraded to a category 2 at 7am AEST (10am
NZT), with the wind gusts at the core in excess of 125km/h as it moves
in west-southwesterly inland.

Australia's Bureau of Meteorology said Yasi was south east of Georgetown
and continuing to weaken.

Senior forecaster Brett Harrison told ABC Radio the cyclone was likely
to remain a category 2 until 1pm, and expected to become a tropical low
by the time it reached the city of Mt Isa early tomorrow morning EST.

Damaging winds, with gusts above 90 km/hr, are occurring along the coast
and extend inland to Georgetown and Hughenden, the bureau said. They
will extend further west towards Richmond and Julia Creek during the
day.

Higher than normal tides and large waves are expected to continue
between Port Douglas and Ayr and sea levels may again exceed the high
water mark on the morning high tide, around 9.30am AEST (12.30 NZT)

"We are still expecting some rises around high tide, certainly a lot
less than we saw last night but there still is a danger," Mr Harrison
said.

The bureau is forecasting flood rains will continue along the coast and
ranges, with heavy rains extending across the adjacent inland, and flood
warnings remains in place for a number of rivers between Cairns and
Mackay.

- AAP, AP, NZ HERALD STAFF


Jan Rasmussen



N_B.DK (03-02-2011)
Kommentar
Fra : N_B.DK


Dato : 03-02-11 13:04

"Axel Hammerschmidt" <hlexa@hotmail.com> wrote in message
news:Xns9E81D957B68Ehlexahotmailcom@130.225.254.104
> Den blev nedgraderet til kat 3.

Ja EFTER den ramte land.

--
MVH. N_B_DK



Axel Hammerschmidt (03-02-2011)
Kommentar
Fra : Axel Hammerschmidt


Dato : 03-02-11 17:15

N_B.DK:

> "Axel Hammerschmidt" <hlexa@hotmail.com> wrote in message
> news:Xns9E81D957B68Ehlexahotmailcom@130.225.254.104
>
>> Den blev nedgraderet til kat 3.
>
> Ja EFTER den ramte land.

Det er osse et meget stort land.


--
Banned from Version2.dk for writing a Firesheep script.

N_B.DK (03-02-2011)
Kommentar
Fra : N_B.DK


Dato : 03-02-11 21:12

"Axel Hammerschmidt" <hlexa@hotmail.com> wrote in message
news:Xns9E81AF72359D3hlexahotmailcom@130.225.254.104
>> Ja EFTER den ramte land.
>
> Det er osse et meget stort land.

Ja og? det ændrer ikke på at da den ramte østkysten var det en kat. 5
Cyklon, og jo længere ind i landet den kom, jo mere energi mistede den, det
er ikke ligefrem rakat videnskab eftersom Cykloner får energien fra havene.

--
MVH. N_B_DK



Lars Kongshøj (03-02-2011)
Kommentar
Fra : Lars Kongshøj


Dato : 03-02-11 12:09

Den 02/02/11 23.13, N_B.DK skrev:
> "Lars Kongshøj"<lars_kongshoj@hotmail.com> wrote in message
> news:4d49c4ab$0$23758$14726298@news.sunsite.dk
>> Denne her tråd har vist heller ikke meget med videnskab at gøre,
>> snarere om sensationsjournalistikkens spekulationer om konsekvenserne
>> af et forestående blæsevejr.
>
> En cyklon i kat 5 er blæsevejr?
>
> Imponerende, det lyder jo mæsten som hatten blot blæser af, byer hvor over
> 90% af husene er skadet, og det er bare lidt blæsevejr, årh den slags
> idiotiske udtaleser finder man da kun i DK.

Godt ord igen. Man kan vel godt tåle en lidt humoristisk formulering?

Pointen er at der ikke har været megen videnskabelig substans i tråden.

/Lars

N_B.DK (03-02-2011)
Kommentar
Fra : N_B.DK


Dato : 03-02-11 13:06

"Lars Kongshøj" <lars_kongshoj@hotmail.com> wrote in message
news:4d4a8cc4$0$23762$14726298@news.sunsite.dk
> Godt ord igen. Man kan vel godt tåle en lidt humoristisk formulering?

Beklager men kan ikke se noget humoristisk i cykloner, og er 100% sikker på
de berørte heller ikke kan.

--
MVH. N_B_DK



Martin Andersen (03-02-2011)
Kommentar
Fra : Martin Andersen


Dato : 03-02-11 16:04

On 03-02-2011 13:05, N_B.DK wrote:
> "Lars Kongshøj"<lars_kongshoj@hotmail.com> wrote in message
> news:4d4a8cc4$0$23762$14726298@news.sunsite.dk
>> Godt ord igen. Man kan vel godt tåle en lidt humoristisk formulering?
>
> Beklager men kan ikke se noget humoristisk i cykloner, og er 100% sikker på
> de berørte heller ikke kan.
>
Concern troll is concerned.

N_B.DK (03-02-2011)
Kommentar
Fra : N_B.DK


Dato : 03-02-11 21:14

"Martin Andersen" <dur@ikke.nu> wrote in message
news:4d4ac3fd$0$23758$14726298@news.sunsite.dk
> Concern troll is concerned.

Nå lidt selverkendelse har du da.

--
MVH. N_B_DK



-=JF=- (03-02-2011)
Kommentar
Fra : -=JF=-


Dato : 03-02-11 23:08

Den 03/02/11 13.05, N_B.DK skrev:

> Beklager men kan ikke se noget humoristisk i cykloner, og er 100% sikker på
> de berørte heller ikke kan.

Vend den en halv omgang:
Uanset hvor mange tudikiks vi allesammen gumler, og uanset om vi alle
til hobe går og ligner bedemænd og grædekoner, så ændrer det ikke en
tøddel på deres situation.

http://www.youtube.com/watch?v=WlBiLNN1NhQ

--
Mhv.
John

Jan Rasmussen (03-02-2011)
Kommentar
Fra : Jan Rasmussen


Dato : 03-02-11 19:11


"Lars Kongshøj" <lars_kongshoj@hotmail.com> skrev i en meddelelse
news:4d4a8cc4$0$23762$14726298@news.sunsite.dk...
> Den 02/02/11 23.13, N_B.DK skrev:
>> "Lars Kongshøj"<lars_kongshoj@hotmail.com> wrote in message
>> news:4d49c4ab$0$23758$14726298@news.sunsite.dk
>>> Denne her tråd har vist heller ikke meget med videnskab at gøre,
>>> snarere om sensationsjournalistikkens spekulationer om konsekvenserne
>>> af et forestående blæsevejr.
>>
>> En cyklon i kat 5 er blæsevejr?
>>
>> Imponerende, det lyder jo mæsten som hatten blot blæser af, byer hvor over
>> 90% af husene er skadet, og det er bare lidt blæsevejr, årh den slags
>> idiotiske udtaleser finder man da kun i DK.
>
> Godt ord igen. Man kan vel godt tåle en lidt humoristisk formulering?
>
> Pointen er at der ikke har været megen videnskabelig substans i tråden.

Enig, men taget i betragtning at denne tråd er den eneste der blev posted
i dk.videnskab den 2 Februar 2011, så mener jeg godt gruppen kan bære det.
og flere emner der er videnskabs beslægtet er i min bog velkommen.

Hvor mener du at denne tråd skulle være posted i dk* ?


Jan Rasmussen



Lars Kongshøj (04-02-2011)
Kommentar
Fra : Lars Kongshøj


Dato : 04-02-11 11:00

Den 03/02/11 19.11, Jan Rasmussen skrev:
> "Lars Kongshøj"<lars_kongshoj@hotmail.com> skrev i en meddelelse
> news:4d4a8cc4$0$23762$14726298@news.sunsite.dk...
>> Den 02/02/11 23.13, N_B.DK skrev:
>>> "Lars Kongshøj"<lars_kongshoj@hotmail.com> wrote in message
>>> news:4d49c4ab$0$23758$14726298@news.sunsite.dk
>>>> Denne her tråd har vist heller ikke meget med videnskab at gøre,
>>>> snarere om sensationsjournalistikkens spekulationer om konsekvenserne
>>>> af et forestående blæsevejr.
>>>
>>> En cyklon i kat 5 er blæsevejr?
>>>
>>> Imponerende, det lyder jo mæsten som hatten blot blæser af, byer hvor over
>>> 90% af husene er skadet, og det er bare lidt blæsevejr, årh den slags
>>> idiotiske udtaleser finder man da kun i DK.
>>
>> Godt ord igen. Man kan vel godt tåle en lidt humoristisk formulering?
>>
>> Pointen er at der ikke har været megen videnskabelig substans i tråden.
>
> Enig, men taget i betragtning at denne tråd er den eneste der blev posted
> i dk.videnskab den 2 Februar 2011, så mener jeg godt gruppen kan bære det.
> og flere emner der er videnskabs beslægtet er i min bog velkommen.

Der er vist ikke mange emner, der ikke på en eller anden måde er
videnskabsrelaterede.

Naturfænomenet i sig selv er et emne for naturvidenskaben, men det har
ikke rigtigt været oppe og vende.

Konsekvenserne og forberedelserne kan være af samfundsvidenskabelig
interesse. Emnet har heller ikke været berørt samfundsvidenskabeligt.

> Hvor mener du at denne tråd skulle være posted i dk* ?

Jeg tror at folk, der interesserer sig for emnet selv kan finde nyheder
om det i aviserne. Jeg tror ikke at der findes en gruppe til postning af
links til nyhedsartikler.

Mvh. Lars


Jan Rasmussen (04-02-2011)
Kommentar
Fra : Jan Rasmussen


Dato : 04-02-11 18:20


"Lars Kongshøj" <lars_kongshoj@hotmail.com> skrev i en meddelelse
news:4d4bce37$0$23757$14726298@news.sunsite.dk...
> Den 03/02/11 19.11, Jan Rasmussen skrev:
>> "Lars Kongshøj"<lars_kongshoj@hotmail.com> skrev i en meddelelse
>> news:4d4a8cc4$0$23762$14726298@news.sunsite.dk...
>>> Den 02/02/11 23.13, N_B.DK skrev:
>>>> "Lars Kongshøj"<lars_kongshoj@hotmail.com> wrote in message
>>>> news:4d49c4ab$0$23758$14726298@news.sunsite.dk
>>>>> Denne her tråd har vist heller ikke meget med videnskab at gøre,
>>>>> snarere om sensationsjournalistikkens spekulationer om konsekvenserne
>>>>> af et forestående blæsevejr.
>>>>
>>>> En cyklon i kat 5 er blæsevejr?
>>>>
>>>> Imponerende, det lyder jo mæsten som hatten blot blæser af, byer hvor over
>>>> 90% af husene er skadet, og det er bare lidt blæsevejr, årh den slags
>>>> idiotiske udtaleser finder man da kun i DK.
>>>
>>> Godt ord igen. Man kan vel godt tåle en lidt humoristisk formulering?
>>>
>>> Pointen er at der ikke har været megen videnskabelig substans i tråden.
>>
>> Enig, men taget i betragtning at denne tråd er den eneste der blev posted
>> i dk.videnskab den 2 Februar 2011, så mener jeg godt gruppen kan bære det.
>> og flere emner der er videnskabs beslægtet er i min bog velkommen.
>
> Der er vist ikke mange emner, der ikke på en eller anden måde er videnskabsrelaterede.
>
> Naturfænomenet i sig selv er et emne for naturvidenskaben, men det har ikke rigtigt været oppe og
> vende.
>
> Konsekvenserne og forberedelserne kan være af samfundsvidenskabelig interesse. Emnet har heller
> ikke været berørt samfundsvidenskabeligt.
>
>> Hvor mener du at denne tråd skulle være posted i dk* ?
>
> Jeg tror at folk, der interesserer sig for emnet selv kan finde nyheder om det i aviserne. Jeg
> tror ikke at der findes en gruppe til postning af links til nyhedsartikler.

Ja måske.

Men nu bliver man jo heller ikke belønet for at spille op til lir også ikke levere et ordentligt
knald.

Jeg har faktisk et spørgsmål at videnskabelig karakter.
I denne video: http://www.youtube.com/watch?v=ZD0DRmWQ65Y&feature=related
siger 'The emergency broadcaster' "Keep a window open on a side away from the wind"
også siger han sansynligvis at man skal skifte retning når vinden gør det.

Hvad skal det hjælpe på, undertryk fra skortstenen ?

Jan Rasmussen



Max (04-02-2011)
Kommentar
Fra : Max


Dato : 04-02-11 19:38

Hej Jan

> Hvad skal det hjælpe på, undertryk fra skortstenen ?


Man prøver vel på at udligne de trykforskelle der
opstår på grund af vinden.

--
Mvh
Max



N_B.DK (04-02-2011)
Kommentar
Fra : N_B.DK


Dato : 04-02-11 21:22

"Jan Rasmussen" <1@1.1> wrote in message
news:4d4c358c$0$56776$edfadb0f@dtext02.news.tele.dk
> Hvad skal det hjælpe på, undertryk fra skortstenen ?

Mit gæt er at hvis nu vinduer smadrer (mod vinden) så er der et sted vinden
kan slippe ud, ellers vil taget kunne blive trykket af, og blæse væk.

--
MVH. N_B_DK



Jan Rasmussen (05-02-2011)
Kommentar
Fra : Jan Rasmussen


Dato : 05-02-11 20:07

"N_B.DK" <admin@spamme.dyndns.dk> skrev i en meddelelse
news:4d4c5fd5$0$23753$14726298@news.sunsite.dk...
> "Jan Rasmussen" <1@1.1> wrote in message
> news:4d4c358c$0$56776$edfadb0f@dtext02.news.tele.dk
>> Hvad skal det hjælpe på, undertryk fra skortstenen ?
>
> Mit gæt er at hvis nu vinduer smadrer (mod vinden) så er der et sted vinden kan slippe ud, ellers
> vil taget kunne blive trykket af, og blæse væk.
>

Efter jeg så dit indlæg, der virker logisk søgte jeg på google efter:
"cyclone+Keep a window open on a side away from the wind"

http://www.colonialzone-dr.com/weather-hurricane.html
Hurricane Information in Dominican Republic.

"Keep a door or window open on the opposite side of the force of the wind to avoid a
build up of pressure that will suck your roof off."

Der skrives der om "avoid a build up of pressure that will suck your roof off"

Det gad jeg godt se en animation visualisere,,,
5 minutter senere.

Billede: http://www.hurricanescience.org/images/hss/pressureImage_MySafeFlHome.jpg

"As hurricane winds blows against a vertical surface of a home, such as a
wall or steeply pitched roof, it exerts a positive force or “pressure”
against that surface. As the wind flows over or around the home, it
exerts a negative force or “suction” on the walls or roof planes
parallel to or away from the direction of the wind (the leeward side).
The combination of these pressure and suction forces can cause uplift
(forces may strip roof coverings and sheathing or, in extreme cases,
destroy the entire roof), sliding (a house may be blown straight off its
foundation), overturning (and entire structure may rotate off its
foundation resulting in the complete destruction of a home), and/or
racking (horizontal forces cause walls to tilt and/or collapse)."

Hmm,,,

Jan Rasmussen ?



N_B.DK (05-02-2011)
Kommentar
Fra : N_B.DK


Dato : 05-02-11 20:43

"Jan Rasmussen" <1@1.1> wrote in message
news:4d4da03a$0$56793$edfadb0f@dtext02.news.tele.dk
> "As hurricane winds blows against a vertical surface of a home, such
> as a wall or steeply pitched roof, it exerts a positive force or
> "pressure"
> against that surface. As the wind flows over or around the home, it
> exerts a negative force or "suction" on the walls or roof planes
> parallel to or away from the direction of the wind (the leeward side).
> The combination of these pressure and suction forces can cause uplift
> (forces may strip roof coverings and sheathing or, in extreme cases,
> destroy the entire roof), sliding (a house may be blown straight off
> its foundation), overturning (and entire structure may rotate off its
> foundation resulting in the complete destruction of a home), and/or
> racking (horizontal forces cause walls to tilt and/or collapse)."
>
> Hmm,,,

Tager kan i situationer virke nærmest som en flyvinge, præcis som der også
står i teksten du fandt, tag evt et stykke A4 papir og hold det op foran dig
og se hvad der sker når du puster hen over det (hold i hjørnerne på den
korteste led), det hjælper nok lidt med forståelsen.
--
MVH. N_B_DK



Max (05-02-2011)
Kommentar
Fra : Max


Dato : 05-02-11 22:14

Hej N_B.DK

> Tager kan i situationer virke nærmest som en flyvinge, præcis som der
> også står i teksten du fandt, tag evt et stykke A4 papir og hold det
> op foran dig og se hvad der sker når du puster hen over det (hold i
> hjørnerne på den korteste led), det hjælper nok lidt med forståelsen.


Ja, nogle herlige kræfter man lære at forstå i en moderne sejlbåd :)

--
Mvh
Max



Krabsen (05-02-2011)
Kommentar
Fra : Krabsen


Dato : 05-02-11 22:11

Den 05-02-2011 20:07, Jan Rasmussen skrev:
> "N_B.DK"<admin@spamme.dyndns.dk> skrev i en meddelelse
> news:4d4c5fd5$0$23753$14726298@news.sunsite.dk...
>> "Jan Rasmussen"<1@1.1> wrote in message
>> news:4d4c358c$0$56776$edfadb0f@dtext02.news.tele.dk
>>> Hvad skal det hjælpe på, undertryk fra skortstenen ?
>>
>> Mit gæt er at hvis nu vinduer smadrer (mod vinden) så er der et sted vinden kan slippe ud, ellers
>> vil taget kunne blive trykket af, og blæse væk.
>>
>
> Efter jeg så dit indlæg, der virker logisk søgte jeg på google efter:
> "cyclone+Keep a window open on a side away from the wind"
>
> http://www.colonialzone-dr.com/weather-hurricane.html
> Hurricane Information in Dominican Republic.
>
> "Keep a door or window open on the opposite side of the force of the wind to avoid a
> build up of pressure that will suck your roof off."
>
> Der skrives der om "avoid a build up of pressure that will suck your roof off"
>
> Det gad jeg godt se en animation visualisere,,,
> 5 minutter senere.
>
> Billede: http://www.hurricanescience.org/images/hss/pressureImage_MySafeFlHome.jpg
>
> "As hurricane winds blows against a vertical surface of a home, such as a
> wall or steeply pitched roof, it exerts a positive force or “pressure”
> against that surface. As the wind flows over or around the home, it
> exerts a negative force or “suction” on the walls or roof planes
> parallel to or away from the direction of the wind (the leeward side).
> The combination of these pressure and suction forces can cause uplift
> (forces may strip roof coverings and sheathing or, in extreme cases,
> destroy the entire roof), sliding (a house may be blown straight off its
> foundation), overturning (and entire structure may rotate off its
> foundation resulting in the complete destruction of a home), and/or
> racking (horizontal forces cause walls to tilt and/or collapse)."


Blandt andet derfor er det et krav i Danmark, at alle tagkonstruktioner
skal være sikret til fundamentet. Ofte ved at indstøbe et jernbånd i
soklen i hver hjørne, som så føres op gennem muren og fastgøres på et spær.

Det er set, at et 'usikret' tag er lettet..


Jan Rasmussen (03-02-2011)
Kommentar
Fra : Jan Rasmussen


Dato : 03-02-11 00:18

"Lars Kongshøj" <lars_kongshoj@hotmail.com> skrev i en meddelelse
news:4d49c4ab$0$23758$14726298@news.sunsite.dk...
> Den 02/02/11 21.26, Axel Hammerschmidt skrev:
>> Og det er der miseren ligger. Det har ikke en skid at gøre med
>> klimaforandring.
>
> Denne her tråd har vist heller ikke meget med videnskab at gøre, snarere om
> sensationsjournalistikkens spekulationer om konsekvenserne af et forestående blæsevejr.
>

Cyclone Tracy 1974 (Santa Never Made It Into Darwin) Folksong
http://www.youtube.com/watch?v=ZD0DRmWQ65Y&feature=related

The Darwin Story
http://www.youtube.com/watch?v=1qGNMmhtD4k&feature=related


Jan Rasmussen



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