Dr. Jeff Masters' WunderBlog

96L disturbance hanging in there; F4 tornado confirmed in Missouri
Posted by: Dr. Jeff Masters, 1:52 PM GMT on September 26, 2006 +6
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
Huge thunder head (wunderandrew)
SEVERE STORMS OVER ILLINOIS it did not storm were i live but there is another chance of severe weather tomorow
Huge thunder head
Categories: Tornado
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701. WPBHurricane05 11:48 PM GMT on September 26, 2006    
nope, still not there
Member Since: July 31, 2006 Posts: 55 Comments: 7895
702. Fl30258713 11:48 PM GMT on September 26, 2006    
White House said to bar hurricane report By RANDOLPH E. SCHMID, AP Science Writer
49 minutes ago



WASHINGTON - The Bush administration has blocked release of a report that suggests global warming is contributing to the frequency and strength of hurricanes, the journal Nature reported Tuesday.


The possibility that warming conditions may cause storms to become stronger has generated debate among climate and weather experts, particularly in the wake of the Hurricane Katrina disaster.

In the new case, Nature said weather experts at the National Oceanic and Atmospheric Administration — part of the Commerce Department — in February set up a seven-member panel to prepare a consensus report on the views of agency scientists about global warming and hurricanes.

According to Nature, a draft of the statement said that warming may be having an effect.

In May, when the report was expected to be released, panel chair Ants Leetmaa received an e-mail from a Commerce official saying the report needed to be made less technical and was not to be released, Nature reported.

Leetmaa, head of NOAA's Geophysical Fluid Dynamics Laboratory in New Jersey, did not immediately respond to calls seeking comment.

NOAA spokesman Jordan St. John said he had no details of the report.

NOAA Administrator Conrad Lautenbacher is currently out of the country, but Nature quoted him as saying the report was merely an internal document and could not be released because the agency could not take an official position on the issue.

However, the journal said in its online report that the study was merely a discussion of the current state of hurricane science and did not contain any policy or position statements.

The report drew a prompt response from Sen. Frank R. Lautenberg (news, bio, voting record), D-N.J., who charged that "the administration has effectively declared war on science and truth to advance its anti-environment agenda ... the Bush administration continues to censor scientists who have documented the current impacts of global warming."

A series of studies over the past year or so have shown an increase in the power of hurricanes in the Atlantic and Pacific oceans, a strengthening that many storm experts say is tied to rising sea-surface temperatures.

Just two weeks ago, researchers said that most of the increase in ocean temperature that feeds more intense hurricanes is a result of human-induced global warming, a study one researcher said "closes the loop" between climate change and powerful storms like Katrina.

Not all agree, however, with opponents arguing that many other factors affect storms, which can increase and decrease in cycles.

The possibility of global warming affecting hurricanes is politically sensitive because the administration has resisted proposals to restrict release of gases that can cause warming conditions.

In February, a NASA political appointee who worked in the space agency's public relations department resigned after reportedly trying to restrict access to Jim Hansen, a NASA climate scientist who has been active in global warming research.
Member Since: July 24, 2006 Posts: 1 Comments: 976
703. dacajun 11:49 PM GMT on September 26, 2006    
Geez...room is ugly tonight...think I'll go watch the Saints/Falcon game again off my DVR and doze off with visions of Superbowl rings dancing in my head. I'll just live in my little fantasy world until either a) the Saints lose or b) blobs form an eye.
Member Since: November 1, 2005 Posts: 0 Comments: 52
704. StoryOfTheCane 11:49 PM GMT on September 26, 2006    
WPB - Hold Control/Command and click on the image you want to post, then click "Open Image in a New Window", and the URL in the new window is the one you want to use.

MAKE SURE THE ENDING OF THE URL ENDS IN .GIF, .JPG and NOT .html
706. clwstmchasr 11:50 PM GMT on September 26, 2006    
Caribbean Blob is fading... Just like the Blob that was above Panama yesterday morning.
Member Since: July 29, 2006 Posts: 0 Comments: 2753
707. hurricane23 11:50 PM GMT on September 26, 2006    
Seems like cloud tops have warmed a bit over the western caribbean.SEE HERE
Member Since: May 14, 2006 Posts: 8 Comments: 13274
708. StoryOfTheCane 11:53 PM GMT on September 26, 2006    
im not gonna stop watching it until it fades a lot more then this.
710. StoryOfTheCane 11:55 PM GMT on September 26, 2006    
itcz is lookin extra strong today, any reason for that?
711. Hellsniper223 11:57 PM GMT on September 26, 2006    
Looks like that arm of convection is reaching toward that low that was on the charts earlier.
Member Since: March 28, 2006 Posts: 0 Comments: 16
712. StoryOfTheCane 11:57 PM GMT on September 26, 2006    
or is it just the waves embedded in it?
713. WPBHurricane05 11:57 PM GMT on September 26, 2006    
too hard, i give up, just like spanish
Member Since: July 31, 2006 Posts: 55 Comments: 7895
714. catastropheadjuster 12:00 AM GMT on September 27, 2006    
So does anyone think the blob in the Carribean is gonna mount to anything and can it end up in the GOM? It really don't have a chance to get real bad does it? With it being close to the gulf.
Member Since: August 24, 2006 Posts: 21 Comments: 3556
716. StoryOfTheCane 12:01 AM GMT on September 27, 2006    
el espanol era demasiado duro para usted?
718. WPBHurricane05 12:02 AM GMT on September 27, 2006    
its just the Navy i cant figure out, i have a windows XP
Member Since: July 31, 2006 Posts: 55 Comments: 7895
719. StoryOfTheCane 12:02 AM GMT on September 27, 2006    
sorry im on a Mac so my keys do different things then a PC
720. sandcrab39565 12:03 AM GMT on September 27, 2006    
Rand, The winds that should steer the Carib. Blob appear that they will push it over the Yucatan. Whats your thoughts.
Member Since: June 25, 2006 Posts: 36 Comments: 9971
721. StoryOfTheCane 12:03 AM GMT on September 27, 2006    
i think my control is a pc's windows button maybe??
722. StoryOfTheCane 12:03 AM GMT on September 27, 2006    
otherwise referred to as the COMMAND button
723. hurricane23 12:04 AM GMT on September 27, 2006    
(NHC 8:05 Discussion on Caribbean Flare-up)

THE CARIBBEAN SEA...
THE MOST ACTIVE WEATHER IN THE CARIBBEAN THIS EVENING IS IN THE
WRN PORTION AROUND 80W. NUMEROUS MODERATE/ISOLATED STRONG
CONVECTION IS FROM 11N-19N BETWEEN 78W-83W...WITH THE STRONGEST
CONVECTION GENERALLY BETWEEN NICARAGUA AND JAMAICA. THIS SEEMS
MOSTLY ASSOCIATED WITH UPPER DIFFLUENCE BETWEEN A WELL DEFINED
UPPER HIGH OVER THE CENTRAL CARIBBEAN NEAR 14N74W AND UPPER
TROUGHING OVER THE FAR NW CARIBBEAN. THESE SHOWERS AND
THUNDERSTORMS ARE DISORGANIZED...AND SURFACE PRESSURES IN THE
REGION NOT FALLING. FURTHER DEVELOPMENT IS NOT EXPECTED. TRADES
CONTINUE IN THE 15 TO 20 KT RANGE ON THE SW PORTION OF THE ATLC
HIGH AND ITS INTERACTION WITH LOWER PRESSURE NEAR COLOMBIA.
SIMILAR TRADES EXPECTED THE NEXT COUPLE OF DAYS.

Member Since: May 14, 2006 Posts: 8 Comments: 13274
724. WPBHurricane05 12:04 AM GMT on September 27, 2006    
el espanol era demasiado duro para usted?

the spanish somethin something something something

andonde vas??
Como te llama??
note ll is pronounced as english y
Member Since: July 31, 2006 Posts: 55 Comments: 7895
725. StoryOfTheCane 12:04 AM GMT on September 27, 2006    
i was talking about the strong ITCZ in the Central and Eastern Atlantic, havent seen it so defined in awhile
727. tropicfreak 12:06 AM GMT on September 27, 2006    
Image Hosted by ImageShack.us The wave in the central Caribbean looks very orgainized. has the potential to develop into a depression any time now.
Member Since: September 2, 2006 Posts: 110 Comments: 6566
728. WPBHurricane05 12:06 AM GMT on September 27, 2006    
Member Since: July 31, 2006 Posts: 55 Comments: 7895
729. jake436 12:06 AM GMT on September 27, 2006    
Posted By: catastropheadjuster at 12:00 AM GMT on September 27, 2006.

So does anyone think the blob in the Carribean is gonna mount to anything and can it end up in the GOM? It really don't have a chance to get real bad does it? With it being close to the gulf.



Dats funny rite der!!!
Member Since: August 31, 2006 Posts: 0 Comments: 271
730. 1900hurricane 12:07 AM GMT on September 27, 2006    
Posted By: WPBHurricane05 at 6:46 PM CDT on September 26, 2006.

what the heck, how come i cant post images from the navy but 1900 can, thats no fair, i want my mommy!!


The navy images have really long URLs, so make sure you get it all! The complete URL for the Ioke image I posted is http://www.nrlmry.navy.mil/htdocs_dyn/tc_pages/thumbs/CPAC/01C.IOKE/ssmi/geovis/20060904.1947.f14.x. geovis.01CIOKE.65kts-976mb-325N-1475E.31pc.jpg. Long...
Member Since: August 2, 2006 Posts: 43 Comments: 10325
732. StoryOfTheCane 12:09 AM GMT on September 27, 2006    
WPB, i think you are trying to post the URL of the site, and not the actual URL of the pic
733. CaneAddict17 12:10 AM GMT on September 27, 2006    
There goes the pressure tendency back up...
Caribbean blob buey tendency
Member Since: August 31, 2006 Posts: 5 Comments: 156
734. WPBHurricane05 12:10 AM GMT on September 27, 2006    
It really don't have a chance to get real bad does it? With it being close to the gulf.

WHAT A FUNNY JOKE, it wond stregnthen too bad since its close to the Gulf, hmm... which storm should i use for this example, too many, Rita, Katrina, Dennis, Ivan, with a bigg Eddy in the gulf, under right conditions it could rapidly intensify
Member Since: July 31, 2006 Posts: 55 Comments: 7895
735. StoryOfTheCane 12:11 AM GMT on September 27, 2006    
i wouldnt worry about pressure so much until a center is established
736. WPBHurricane05 12:11 AM GMT on September 27, 2006    
i got it, thanks for all the help
Member Since: July 31, 2006 Posts: 55 Comments: 7895
738. DocBen 12:14 AM GMT on September 27, 2006    
Carib blob seems to be dissapating? Cloud tops warming?
Member Since: May 16, 2006 Posts: 0 Comments: 96
739. 1900hurricane 12:15 AM GMT on September 27, 2006    
Remember this storm?

Member Since: August 2, 2006 Posts: 43 Comments: 10325
740. auburn (Mod) 12:16 AM GMT on September 27, 2006    
Hello all,Carribean firing up?Wow it getting bigger...have to watch this one.
Member Since: August 27, 2006 Posts: 538 Comments: 46640
741. WPBHurricane05 12:18 AM GMT on September 27, 2006    
Monica of Austrilia?
Member Since: July 31, 2006 Posts: 55 Comments: 7895
742. sarepa 12:18 AM GMT on September 27, 2006    
HOLA SOI DE REPUBLICA DOMINICANA
HEY I AM FROM THE DOMINICAN REPUBLIC LOL
Member Since: January 17, 2006 Posts: 0 Comments: 26
743. clwstmchasr 12:18 AM GMT on September 27, 2006    
8:00 NHC discussion says that development in the Caribbean blob is not expected...
Member Since: July 29, 2006 Posts: 0 Comments: 2753
744. jake436 12:19 AM GMT on September 27, 2006    
Posted By: catastropheadjuster at 12:00 AM GMT on September 27, 2006.

So does anyone think the blob in the Carribean is gonna mount to anything and can it end up in the GOM? It really don't have a chance to get real bad does it? With it being close to the gulf.



Not saying it will develop, but if it did, and got in the gulf, it would be like throwing 93 octane on a fire!!
Member Since: August 31, 2006 Posts: 0 Comments: 271
745. 1900hurricane 12:19 AM GMT on September 27, 2006    
Posted By: WPBHurricane05 at 7:18 PM CDT on September 26, 2006.

Monica of Austrilia?


Correct!
Member Since: August 2, 2006 Posts: 43 Comments: 10325
746. obsessedwweather 12:19 AM GMT on September 27, 2006    
I think we still have a ways to go before ruling out serious tropical activity. I am certainly no meteorologist, though. Mother Nature has her way.
747. WPBHurricane05 12:19 AM GMT on September 27, 2006    
Member Since: July 31, 2006 Posts: 55 Comments: 7895
748. auburn (Mod) 12:20 AM GMT on September 27, 2006    
Posted By: clwstmchasr at 7:18 PM CDT on September 26, 2006.

8:00 NHC discussion says that development in the Caribbean blob is not expected...
What does eveyone here think?
Member Since: August 27, 2006 Posts: 538 Comments: 46640
749. hurricane23 12:21 AM GMT on September 27, 2006    
Here is one IR pic of Super Typhoon Ioke showing a very nice CDO @ 130kts.




Here is a close-up visible pic of Monica's awsome eye structure holding at a pressure of 879mb.

Member Since: May 14, 2006 Posts: 8 Comments: 13274
751. StoryOfTheCane 12:22 AM GMT on September 27, 2006    
hola serapa! como es el tiempo?

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About JeffMasters
Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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