96L disturbance hanging in there; F4 tornado confirmed in Missouri
Well, it sure was great to watch a football game in the New Orleans Superdome last night, and not worry about a hurricane threatening the coast! The hurricane season of 2006 has been exceptionally kind to us by the standards of the past ten years, are there is nothing out there today that causes me any concern. The tropical wave (96L) we've been watching, about 900 miles east-northeast of the northern Lesser Antilles Islands, does has the potential to develop into a tropical depression, but is not expected to threaten any land areas. Wind shear has dropped from 30 knots yesterday to 20 knots today, and the system has been able to maintain more heavy thunderstorm activity near its center this morning. The storm is in a moist environment, and the ocean beneath is warm. The Canadian model is still the only model that develops the system into a tropical storm, but it appears that wind shear will drop another 5 knots over the next two days, potentially allowing 96L to organize into a tropical depression. Bermuda will need to keep an eye on this system, but I expect it will recurve out to sea before reaching the island.
Elsewhere in the tropical Atlantic, it's time to start watching the cloud-covered areas of the ocean surrounding the U.S. where cold fronts stall out. One such area to watch is off the North Carolina Outer Banks on Wednesday, when a tropical low could develop and scoot quickly northeastward out to sea. The more dangerous possibility is in the Gulf of Mexico or Western Caribbean near the Yucatan Peninsula early next week. A strong cold front is expected to push off the East Coast of the U.S. this weekend and stall over the Gulf of Mexico or Western Caribbean. The past few runs of the NOGAPS model have been predicting that if this front stalls out over the Western Caribbean, it could serve as a genesis area for a tropical storm. None of the other models are picking up on this, but this is a typical type of development we see in this region in October.
Figure 1. Preliminary models tracks for Invest 96L.
F4 tornado confirmed in Missouri
The National Weather Service confirmed yesterday that the second violent F4 tornado of the year occurred Friday. The 350 yard-wide tornado ripped through Crosstown, MO, injuring five. F4 tornadoes have winds speeds of 207-260 mph (there have been no F5 tornadoes with winds in excess of 260 mph reported in the U.S. since 1999). The weekend severe weather outbreak was the second largest of the year, with 59 tornadoes (including 40 on September 22). The other F4 tornado of 2006 also affected Missouri, when Monroe City got hit on March 12 as part of the biggest severe weather outbreak of the year--84 tornadoes over a 3-day span.
I'll have an update Wednesday morning.
Jeff Masters
SEVERE STORMS OVER ILLINOIS
it did not storm were i live but there is another chance of severe weather tomorow
Reader Comments
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There is some by storm stuff in there. Amazing stuff on Katrina.
Not the current blog for view from the surface but the one before has some great Katrina stuff at the bottom.
Link
An Atlantic Ocean tropical wave is along 55w/56w south of 17n
drifting west. No deep convective precipitation accompanies
this tropical wave.
Looks to me like it has a fair amount of convection. Even looks like it may have a surface circ with it. It's pretty close to 96/97L so that may drag it north. But right now it is in position to affect the N Lesser Antilles if it continues westward... Anybody watching it?
DRIFTING WEST. NO DEEP CONVECTIVE PRECIPITATION ACCOMPANIES
THIS TROPICAL WAVE.
oop see littlefish posted the discussion on that wave infront of 96L.
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