http://www.atmos.uiuc.edu/~jewett/Atmos ... amage1.gif
http://www.mthurricane.com/andrew7.jpg
These buildings, while severely damages, where by no means blown away by Hurricane Andrew (which is argued by some, now that Katrina has put question marks on Camille, to be the second most intenst hurricane to strike the US behind Labor Day).
A F2/F3 tornado plowed right into a high rise in downtown Ft. Worth, it stood.
Again, I think you all underestimate just how strong these structures are.
gives you chills
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wxmann_91
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Normandy wrote:http://www.atmos.uiuc.edu/~jewett/Atmos120/Day21/hurr-AndrewDamage1.gif
http://www.mthurricane.com/andrew7.jpg
These buildings, while severely damages, where by no means blown away by Hurricane Andrew (which is argued by some, now that Katrina has put question marks on Camille, to be the second most intenst hurricane to strike the US behind Labor Day).
A F2/F3 tornado plowed right into a high rise in downtown Ft. Worth, it stood.
Again, I think you all underestimate just how strong these structures are.
The Ft. Worth tornado was a low-end F2, and the buildings in Miami during Andrew sustained Cat 1 winds at most, perhaps low end Cat 2 for the higher levels.
Skyscrapers are designed to have their windows blow out, leaving the structure intact. However, give a Cat 5 force wind or an EF4-EF5 tornado, skyscrapers will fall. But the chances of that happening are infinitesimal.
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Derek Ortt
to put the winds that the center of Miami (NOT Coconut Grove) received during Andrew
Wilma brought higher winds to the center of the city than did Andrew. Coconut Grove received cat 2 winds. Remember, the cat 3 winds did not extend much north of the old NHC/UM main campus (and they had sustained of 100KT, marginal cat 3)
Wilma brought higher winds to the center of the city than did Andrew. Coconut Grove received cat 2 winds. Remember, the cat 3 winds did not extend much north of the old NHC/UM main campus (and they had sustained of 100KT, marginal cat 3)
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Derek Ortt
remember, cat 2 winds in Lauderdale nearly destroyed a few high rises, and cat 1 in Miami and New Orleans severely damaged many.
Cat 4 or 5 will destroy many high rises. May not collapse them, but all that will remain is the central shell and anyone inside cane expect to be sucked out and likely killed
Cat 4 or 5 will destroy many high rises. May not collapse them, but all that will remain is the central shell and anyone inside cane expect to be sucked out and likely killed
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Scorpion
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mvtrucking
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Jim Cantore
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Katrina warning praised
How about this for some chills, article in the SunHerald paper today....
Weather service will use it as a model
By MARK SCHLEIFSTEIN NEWHOUSE NEWS SERVICE
NEW ORLEANS — The urgent message issued by the Slidell office of the National Weather Service a day before Hurricane Katrina hit was chilling in its harsh detail of the potential devastation as it bore down on New Orleans:
‘‘Most of the area will be uninhabitable for weeks . . . perhaps longer,’’ ‘‘all wood-framed, low-rising apartment buildings will be destroyed,’’ ‘‘persons . . . pets . . . and livestock exposed to the winds will face certain death if struck,’’ ‘‘water shortages will make human suffering incredible by modern standards.’’
The National Oceanic and Atmospheric Administration is citing the decision to issue that message as ‘‘a significant moment for the National Weather Service’’ in a report praising both the Slidell office and the National Hurricane Center for their efforts in predicting Katrina’s fury and explaining its hazard to the public.
‘‘Due to the unprecedented detail and foreboding nature of the language used, the statement helped reinforce the actions of emergency management officials as they coordinated one of the largest evacuations in U.S. history,’’ says the report written by David Johnson, NOAA assistant administrator for weather services.
Johnson recommended that a template be written based on the Slidell warning, which was based in turn on one developed during the 1990s by a Tampa weather service office, and that it be made available in software to field offices facing similar hurricane threats.
Michael Koziara, science and operations officer for the Slidell office, said there was no debate over issuing the urgent weather message, which was broadcast on NOAA Weather Radio and released to the news media at 10:11 a.m. on Sunday, Aug. 28, the day before Katrina hit.
‘‘Considering the grave threat that was posed to us, to New Orleans,’’ Koziara said, ‘‘the contents were quite appropriate.’’
He said the message had been developed long before Katrina.
‘‘It is sort of like the doomsday scenario you don’t want to use, but you have ready just in case,’’ he said.
How about this for some chills, article in the SunHerald paper today....
Weather service will use it as a model
By MARK SCHLEIFSTEIN NEWHOUSE NEWS SERVICE
NEW ORLEANS — The urgent message issued by the Slidell office of the National Weather Service a day before Hurricane Katrina hit was chilling in its harsh detail of the potential devastation as it bore down on New Orleans:
‘‘Most of the area will be uninhabitable for weeks . . . perhaps longer,’’ ‘‘all wood-framed, low-rising apartment buildings will be destroyed,’’ ‘‘persons . . . pets . . . and livestock exposed to the winds will face certain death if struck,’’ ‘‘water shortages will make human suffering incredible by modern standards.’’
The National Oceanic and Atmospheric Administration is citing the decision to issue that message as ‘‘a significant moment for the National Weather Service’’ in a report praising both the Slidell office and the National Hurricane Center for their efforts in predicting Katrina’s fury and explaining its hazard to the public.
‘‘Due to the unprecedented detail and foreboding nature of the language used, the statement helped reinforce the actions of emergency management officials as they coordinated one of the largest evacuations in U.S. history,’’ says the report written by David Johnson, NOAA assistant administrator for weather services.
Johnson recommended that a template be written based on the Slidell warning, which was based in turn on one developed during the 1990s by a Tampa weather service office, and that it be made available in software to field offices facing similar hurricane threats.
Michael Koziara, science and operations officer for the Slidell office, said there was no debate over issuing the urgent weather message, which was broadcast on NOAA Weather Radio and released to the news media at 10:11 a.m. on Sunday, Aug. 28, the day before Katrina hit.
‘‘Considering the grave threat that was posed to us, to New Orleans,’’ Koziara said, ‘‘the contents were quite appropriate.’’
He said the message had been developed long before Katrina.
‘‘It is sort of like the doomsday scenario you don’t want to use, but you have ready just in case,’’ he said.
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Houston_Tempest
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Jim Cantore
Wilma's pressure
VDM posted by Senorpepr
http://www.storm2k.org/phpbb2/viewtopic.php?p=1106862#1106862
http://www.storm2k.org/phpbb2/viewtopic.php?p=1106862#1106862
Posted: Wed Oct 19, 2005 4:35 am
VORTEX DATA MESSAGE
Storm Name: WILMA (24L)
Mission Number: 07
Flight ID: AF308
Observation Number: 16 Google Maps Vortex Position -- Click Here
Time: 08:00:30Z
Latitude: 17.1°N
Longitude: 82.3°W
Location: 219 mi NNE of Puerto Cabezas, Nicaragua
Minimum height at 700 mb 2082 m
Est. Surface Winds Observed: NA
Distance and bearing from center to max surface wind: NA
Maximum flight level wind: NW (320°) @ 191 mph
Distance and bearing from center to max flight level wind: 3 mi SW (221°)
Sea level pressure: 884 mb
Max flight level temperature outside the eye: 50°F at 10082 feet
Max flight level temperature inside the eye: 75°F at 9984 feet
Dewpoint temperature inside the eye: 50°F
Eye character: CLOSED
Eye shape: Circular
Eye diameter: 5 mi
Fix determined by: Penetration Radar Wind Pressure Temperature at 700 mb
Navigation / Met Accuracy: 0.02 / 1 nm
MAX FL WIND 168 KT SE QUAD 06:10:20 Z
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Jim Cantore
Louisiana locked down; New Orleans could become a "toxic soup"
August 30, 2005
Ivor van Heerden, Deputy Director of the Louisiana State University Hurricane Center and director of the Center for the Study of Public Health Impacts of Hurricanes, is warning that floodwaters resulting from Hurricane Katrina could carry toxic waste from the "Industrial Canal" area in New Orleans - the site of many chemical plants. Van Heerden has, for four years, studied computer models about the impact of a powerful hurricane.
"These chemical plants [could] start flying apart, just as the other buildings do, so we have the potential for release of benzene, hydrochloric acid, chlorine and so on." said van Heerden; "we're looking at a bowl full of highly contaminated water with contaminated air flowing around and, literally, very few places for anybody to go where they'll be safe."
Van Heerden itemized problems people returning to the city would find: "no sewage, no drinking water, contamination, threat of rapid increase in mosquitoes, roads are impassible, downed power lines everywhere, trees, debris from houses in the roads, no way to go shopping, no gas." The water has also released fire ants and thousands of snakes, many being venomous, from their normal habitats.
"If you came back, you would be coming literally to a wilderness," van Heerden said. "Stay where you are, be comfortable; nothing's going to change. If your house is gone, it's gone. If you come back in a day or a week, it's not going to make any difference."
CNN is reporting "huge police roadblocks" leading into New Orleans and that their news truck was not allowed to enter the city. The CNN correspondent said the other side of the roadblock looked like "a scene out of hell".
August 30, 2005
Ivor van Heerden, Deputy Director of the Louisiana State University Hurricane Center and director of the Center for the Study of Public Health Impacts of Hurricanes, is warning that floodwaters resulting from Hurricane Katrina could carry toxic waste from the "Industrial Canal" area in New Orleans - the site of many chemical plants. Van Heerden has, for four years, studied computer models about the impact of a powerful hurricane.
"These chemical plants [could] start flying apart, just as the other buildings do, so we have the potential for release of benzene, hydrochloric acid, chlorine and so on." said van Heerden; "we're looking at a bowl full of highly contaminated water with contaminated air flowing around and, literally, very few places for anybody to go where they'll be safe."
Van Heerden itemized problems people returning to the city would find: "no sewage, no drinking water, contamination, threat of rapid increase in mosquitoes, roads are impassible, downed power lines everywhere, trees, debris from houses in the roads, no way to go shopping, no gas." The water has also released fire ants and thousands of snakes, many being venomous, from their normal habitats.
"If you came back, you would be coming literally to a wilderness," van Heerden said. "Stay where you are, be comfortable; nothing's going to change. If your house is gone, it's gone. If you come back in a day or a week, it's not going to make any difference."
CNN is reporting "huge police roadblocks" leading into New Orleans and that their news truck was not allowed to enter the city. The CNN correspondent said the other side of the roadblock looked like "a scene out of hell".
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