Posted on 09/12/2008 5:12:09 AM PDT by NautiNurse
When was the last time that a mayor blamed the president for storm related deaths? You can bet the farm that this numb skull will. Take her out and shoot her. What a complete idiot!
I thought it was forming a very large diamter eye, but it looks like another band is wrapping within that structure from the SSW.
The 1400 CDT is out.. no real change in intensity, up one mb in pressure
Glad I’m not an owner at Sea Scape Condos, right where the seawall ends, I imagine it’ll be destroyed completely. It was a great place to stay.
US Army Black Hawks Helicopters are being deployed out of San Antonio to rescue them.
sw
Moose4 wrote:
!!!
Good Lord. 16 hours before landfall and look at that flooding. Unreal, and it’s only going to get worse.
}:-)4
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It will get worse, but probably not all throughout the time between now and landfall.
Galveston’s getting what the rest of the Gulf Coast is getting, still well outside the eyewall.
When the eyewall comes ashore, so will the main surge. Till then, sea level will go up with the tide, but not much more.
Same thing happened during the 1900 hurricane. Galveston proper flooded to about 18 inches early in the morning, then the surge didn’t come ashore till 4 pm. Back then they had tall curbs, so the streets ponded, but not the sidewalks. Then around 4 pm, the levels went up at least 4 feet in 30 seconds, and beyond that, no-one was keeping precise records.
The biggest part of the destruction was due to wave action, which took out so many buildings on the Gulf side shore that the debris built a levee and protected buldings more than 10-15 blocks inland from wave action, they flooded in a relatively calm sea. The seawall will affect that dynamic, this time around, since it wasn’t built in 1900, but I’m not going to try to predict just how. Instead, I’m going to wait and see what happens.
YMMV.
“Is the ship without power, that being the main problem, aside from being out in the hurricane?”
Without power, high winds can more easily run it aground, possibly sinking it. Also, ships should face directly toward or away from storms to prevent being capsized. With no power, they will be unable to take this basic precaution.
REPEATING THE 400 PM CDT POSITION ...27.7 N ...93.5 W.
MOVEMENT TOWARD ...NORTHWEST NEAR 12 MPH. MAXIMUM SUSTAINED WINDS
...105 MPH. MINIMUM CENTRAL PRESSURE ...955 MB.
Allegra wrote:
You getting any high wind?
;<)
Nary a leaf is fluttering here.
Just checked outside.
No wind here. Just a mild breeze. ;-)
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You are probably in the eye. Do you see any tall clouds?
Can you add me to your ping list? I’ll hang on for as long as I have power. Thanks!
Amen.
sw
I wonder whether the San Luis will still be.....
I’d like to know just what can hold up to so many hours of being pummeled by the waves that this storm is producing.
kinghorse, send us some pictures of it when it’s all over.
There is an approximate power law:
Va / Vr ~= (Ha / Hr) ^ F
Va== velocity at altitude in question
Vr== velocity at reference height
Ha== height of altitude in question
Hr== reference height
F== power factor - think of as frictional effect of the surface on the air.
In general, over “average” ground, F is taken as 1/7
Over water or very smooth ground, F is closer to 1/9
Very rough areas, it could even be 1/2.
The reference height for most of the world is 10 meters. In the US, it traditionally has been 20feet, and that means in quite a few disciplines (fire control) they will suggest that you multiply the US wind velocity in an article by 1.15 when reading articles.
I could not find on the NOAA site what altitude they are now measuring wind speed - I hope it is 10meter, but it might be 20ft or even 6 ft.
The article I link here has a graph that shows velocity versus altitude for a couple terrains, though it has nothing to do with the subject at hand:
M. Espinola wrote:
Thanks for posting that data and the graphics. It makes everything very clear.
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Glad you liked ‘em. More as needed, hoping the 30 foot model will cover the high end of the probability spectrum.
Actual flood depth elevations, measured or eyeballed at specific locations, and peak and average wave heigths are welcome.
I know that's frivolous in light of this particular storm, but just thought I'd let people know.
He also told me people had gotten tired of evacuating other storms all summer and that the media has been hyping them so much and that's why he thinks 40% stayed behind on the island.
Wow, thanks for explaining that. God be with them!
I have a hurricane video that interviewed the one survivor from that hurricane party for Camille. She somehow got swept out a window and managed to (obviously) get to safety. She knew how fortunate she was.
Any way you slice it, it's thousands of people. Prayers for them.
They need to get Ray Nagin on the horn to threaten everybody with a “do not pass Go, do not collect $200” one-way ticket to Angola prison if they don’t bug out.
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