Dr. Jeff Masters' WunderBlog

Alma dies without causing a major disaster; tornadoes rip Midwest
Posted by: Dr. Jeff Masters, 3:03 PM GMT on May 30, 2008 +1
Tropical Storm Alma has dissipated over the high mountains of Honduras, and thankfully did not dump enough rain to cause a major flooding disaster in Central America. At 3pm EDT yesterday, Alma became the first tropical storm since records began in 1949 to make landfall on the Pacific coast of Central America. All previous Eastern Pacific storms have hit Mexico, which is considered part of North America. Alma came ashore in Nicaragua, near the Honduras border, as a tropical storm with 65 mph winds. So far, one person has been killed in Nicaragua, due to a fallen power cable. However, Alma has not dumped enough rain to cause widespread flooding--rainfall amounts in Nicaragua the past two day have been 3-8 inches. Costa Rica has had rains of similar magnitude, which have caused isolated mudslides that have blocked roads. Additional rain from Alma's remnants should total less than two inches in Costa Rica and four inches in Nicaragua. However, Honduras, El Salvador, Belize, Guatemala, and Mexico's Yucatan Peninsula are likely to get 4-8 inches of rain over the next two days from this system, which could cause significant flooding and mud slides.


Figure 1. Current satellite image of Alma's remnants.

There is a large area of disturbed weather that has developed in the Western Caribbean between Jamaica and the Yucatan Peninsula in the past few hours, in association with a trough of low pressure extending from the center of Alma. This morning's 7:37am EDT QuikSCAT pass showed winds of up to 50 knots (58 mph) in this region, but no hint of a circulation or wind shift. It is possible that this disturbed area could start to develop on its own later today, as a westward-moving tropical wave currently near Jamaica interacts with it. This area should expand and spread into Honduras, Belize, and Mexico's Yucatan by Saturday. However, I'm not expecting a major flooding disaster with heavy loss of life anywhere in Central America from Alma's remnants. The GFS model is predicting that moisture from Alma will eventually work its way north and bring heavy rains to Florida by June 7. No models are predicting a tropical storm in the Atlantic during the coming week.


Figure 2. Doppler radar winds from the Kearney, Nebraska tornadoes of May 29, 2008. Note that a twin set of vorticies appears in this image, denoting that two adjacent tornadoes may have hit.

Tornadoes rip the Midwest again Thursday; tornadoes expected today in Illinois, Indiana, and Missouri
Numerous strong tornadoes raked the Midwest last night, adding to the extensive damage already wreaked by one of the worst months of tornado damage in U.S. history. Last night's most significant destruction occurred in Jewell, Kansas, and Kearney, Nebraska. In Jewell, numerous businesses were destroyed and the town water tower toppled. In Kearney, multiple twisters hit, and a 90-car train was knocked off of its tracks. Wunderblogger Mike Theiss caught up to the Kearney tornado, and describes his experience in his blog today. All told, there were 55 tornado reports Thursday, but no deaths or injuries.

The Storm Prediction Center is calling for a "Moderate" risk of severe weather across Illinois, Indiana, and Missouri this afternoon---one level below their "High" risk level that was posted yesterday. Expect another significant tornado outbreak today. The Weather Underground Severe Weather page and Tornado page are good places to go to follow the severe weather. Also, tune in to the chase accounts and awesome storm photos from Wunderblogger Mike Theiss. Mike is in Tornado Alley this week, performing his annual chase efforts.

Jeff Masters
TIV 1 under thunderstorm (MikeTheiss)
Photo of the original TIV (Tornado Intercept Vehicle) driving out from underneath thunderstorm. Photo copyright Mike Theiss
TIV 1 under thunderstorm
Osbourne Kansas Tornado (MikeTheiss)
Blurry photo of the Osbourne Kansas tornado taken while driving. Photo copyright Mike Theiss
Osbourne Kansas Tornado
Storm Chasers with eerie skies (MikeTheiss)
Photo of Cloud 9 Tours members parked underneath some really eerie looking skies. Photo copyright Mike Theiss
Storm Chasers with eerie skies
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Categories: Tornado
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401. Cavin Rawlins 11:23 PM GMT on May 30, 2008    
Thats impossible! That circulation is too broad it extends from the Yucatan to the coast of Africa. And besides it has no banding whatsoever. That anticyclone will go under rapid disintegration the storm is gonna get cut up by shear and orographic lift from the non-existant mountains.

ROFLMAO
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402. moonlightcowboy 11:24 PM GMT on May 30, 2008    
stormkat, L E A V E Taz alone, plz! Thank you!
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403. moonlightcowboy 11:24 PM GMT on May 30, 2008    
399. No sarcasm, Drak? LMAO
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404. nrtiwlnvragn 11:25 PM GMT on May 30, 2008    
383. HadesGodWyvern

Once they stopped advisories, any remanent development in a different basin is given a new number. If they had continued advisories, it would still be 01EAlma
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405. KEEPEROFTHEGATE (Mod) 11:25 PM GMT on May 30, 2008    
convection building in a line from west of isle of youth s ward too just ne of costa/nicar offshore in sw carb expect a rapid convective feild to dev shortly as current disapates
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406. Drakoen 11:25 PM GMT on May 30, 2008    
403. moonlightcowboy 11:24 PM GMT on May 30, 2008
399. No sarcasm, Drak? LMAO


LOL ;P
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407. TampaSpin 11:25 PM GMT on May 30, 2008    
ROFLMAO

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408. all4hurricanes 11:25 PM GMT on May 30, 2008    
I wouldn't be surprised if alma became Arthur in the Gulf of Mexico which is where all the computer models are forecasting it to go. It could be like Bret of 2005. Honestly the first invest, depression, and T.S. are exciting but we don,t see any super strong first storms like Allen, or Anita
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409. cchsweatherman 11:26 PM GMT on May 30, 2008    
Why hasn't the Wunderground site updated with Invest 90L? It had Invest 90E up within minutes of declaration by the NAVY. Maybe they're waiting for the 8PM EST advisory from the NHC to see if this will be classified as a tropical depression?. Just find it unusual considering this site usually has updates right away when any system develops or gets upgraded.
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411. extreme236 11:27 PM GMT on May 30, 2008    
Hey Drak I used that SK model that you talked about last night, and storkat's right...the models forecasts 80 knot shear over the Caribbean for the next week along with super dry air and 24 degree Celsius SSTs...nothings gonna form with that.
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412. HadesGodWyvern 11:27 PM GMT on May 30, 2008    
oh that sounds weird though.
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413. TampaSpin 11:27 PM GMT on May 30, 2008    
408. all4hurricanes 7:25 PM EDT on May 30, 2008
I wouldn't be surprised if alma became Arthur in the Gulf of Mexico which is where all the computer models are forecasting it to go. It could be like Bret of 2005. Honestly the first invest, depression, and T.S. are exciting but we don,t see any super strong first storms like Allen, or Anita



I just looked at nearly every model and none put this in the GOM. Most have it heading toward the NNW then NW Then W toward the Pacific....has it changed in the last Hour...LMAO.
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414. Cavin Rawlins 11:28 PM GMT on May 30, 2008    
411. extreme236 7:27 PM AST on May 30, 2008

I hoped you wash ur hands after using the toilet.
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415. moonlightcowboy 11:29 PM GMT on May 30, 2008    
Does someone remember the advisory times? Isn't there a difference, frequency in times of issuances when there's a storm? I've forgotten those times, I know they become more frequent. tia
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416. Drakoen 11:29 PM GMT on May 30, 2008    
lol extreme. I think it had perfect initialization on that run so we should just discount everything. No scratch of my back.
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417. stormkat 11:29 PM GMT on May 30, 2008    
cch you cant update nothing if they have nothing to update....stormkat
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418. hurricane23 11:30 PM GMT on May 30, 2008    
my my i get of for a few hours and boom 90L up on NRL.All i see as of now is a heading to the west or even wsw due to a pretty significant ridge to its north.If any futher development takes place it will have to be soon as the GOM will be rather hostile in the coming days.

Wanted to mention even if we have a named storm during the next few days it does not in any way shape or form indicate an extremely busy hurricane season in 08.All in all it should be inland sometime within the next 24hrs or so.
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419. cchsweatherman 11:30 PM GMT on May 30, 2008    
Invest 90L has really begun tightening up and banding features have become quite evident. There maybe more to Alma's story to come. Just amazing to watch, even though much won't come from it.
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420. all4hurricanes 11:31 PM GMT on May 30, 2008    
Am I actually right, could Alma = Arthur
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421. DocBen 11:31 PM GMT on May 30, 2008    
409 - cchs - I was wondering the same thing. By the way - go over there and look at the last position they show for Alma. It is real close to where 90L is. That is why I tend to like the name Alma again.
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422. nrtiwlnvragn 11:32 PM GMT on May 30, 2008    
412. HadesGodWyvern

National Hurricane Operations Plan

Section 3.3
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423. DocBen 11:33 PM GMT on May 30, 2008    
15 GMT 05/30/08 15.4N 88.2W 25 1006 Tropical Depression

Alma's last position.
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424. Drakoen 11:33 PM GMT on May 30, 2008    
I'm sorry for that behavior earlier but I just wanted to give you guys a taste of what I read sometimes in this blog.
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425. JLPR 11:33 PM GMT on May 30, 2008    
oh wow Stormkat please argg shh =P

I know you are just giving your opinion but don't try to force it on us =P

Hi everyone =) I have been mostly in lurk mode =)
So 90L could end up going towards land? =P
wow lol why waste a name =D
But I guess if they gave it the name it means it has a chance to become something.
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426. cchsweatherman 11:33 PM GMT on May 30, 2008    
421. DocBen 7:31 PM EDT on May 30, 2008
409 - cchs - I was wondering the same thing. By the way - go over there and look at the last position they show for Alma. It is real close to where 90L is. That is why I tend to like the name Alma again.


Since the NHC issued their last advisory on Alma, any tropical storm that would form in the Caribbean would be named Arthur.

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427. all4hurricanes 11:34 PM GMT on May 30, 2008    
DocBen if your using sarcasm I can't tell ( use lol when you are lol ) but 90L is Alma just dead and reforming
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428. TampaSpin 11:34 PM GMT on May 30, 2008    
The low has already started moving WNW.
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429. stormkat 11:34 PM GMT on May 30, 2008    
i agree fully hurricane 23 what you said...stormkat
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430. DocBen 11:35 PM GMT on May 30, 2008    
No problem Drak. In the same vein - what do you think the chances are of Alma/Arthur hitting my area as a Cat 5?

I live in Wichita KS

:)
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431. all4hurricanes 11:35 PM GMT on May 30, 2008    
Trick Question
What was the first storm of the 1992 hurricane season ?
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432. cchsweatherman 11:35 PM GMT on May 30, 2008    
417. stormkat 7:29 PM EDT on May 30, 2008
cch you cant update nothing if they have nothing to update....stormkat


Why did the NAVY meteorologists declare Invest 90L then? Maybe there is something to update. CCHSWeatherman
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433. DocBen 11:36 PM GMT on May 30, 2008    
Since the NHC issued their last advisory on Alma, any tropical storm that would form in the Caribbean would be named Arthur.

How about "Arthur ben Alma"? (Arthur son of Alma)
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434. cchsweatherman 11:36 PM GMT on May 30, 2008    
431. all4hurricanes 7:35 PM EDT on May 30, 2008
Trick Question
What was the first storm of the 1992 hurricane season ?


Andrew?
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436. moonlightcowboy 11:39 PM GMT on May 30, 2008    
422. Thanks, Hades. Great reference tool.
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437. emguy 11:40 PM GMT on May 30, 2008    
434.

1992...It was TD 1. A very diffuse system that crossed central Florida from the Gulf. I want to say it was a late June system, but I'd have to double check on that.
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438. hurricane23 11:40 PM GMT on May 30, 2008    
431. all4hurricanes 7:35 PM EDT on May 30, 2008
Trick Question
What was the first storm of the 1992 hurricane season ?

Rather easy....

april 21,92 it was a sub-tropical system.
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439. extreme236 11:40 PM GMT on May 30, 2008    
Sorry to tell you stormkat but the NHC doesn't issue invests hours before their death...they use their best information they can and quite frankly that info is better than yours.

I guess after wishcasting all these years stormkat for storms to hit and be wrong now your going for downcasting and being wrong (however I'm not sure if this will develop or not...I want to hear what the NHC has to say)
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440. Cavin Rawlins 11:40 PM GMT on May 30, 2008    
431. all4hurricanes 7:35 PM EDT on May 30, 2008
Trick Question
What was the first storm of the 1992 hurricane season ?


Wasnt it a subtropical storm or something like that. Sorry I was only 4 at that time.
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441. all4hurricanes 11:41 PM GMT on May 30, 2008    
actually no cchweatherman it was a subtropical storm that wasn't named. wouldn't it be wierd if Bonnie was the cat 5 in Miami it sounds to odd.

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442. extreme236 11:42 PM GMT on May 30, 2008    
First storm of the 1992 season, albeit subtropical. Formed in April.

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443. all4hurricanes 11:42 PM GMT on May 30, 2008    
456 youre only 20!
I shouldn't be surprised I wasn't even alive when Andrew hit
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444. KEEPEROFTHEGATE (Mod) 11:42 PM GMT on May 30, 2008    
only navy has 90l up nothing on ssd site or NHC site as of yet so my guess is its a unofficial invest at the moment
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445. HadesGodWyvern 11:43 PM GMT on May 30, 2008    
hmm I thought last year Felix or Dean was threatening to enter the EPAC near Baja California people were saying it would retain its Felix or Dean name in the East Pacific if it became a tropica storm again.
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446. stormkat 11:43 PM GMT on May 30, 2008    
cch the navy makes mistakes sometmes....there is nothing to update if there is it would of been updated already since you guys have it a td...stormkat
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447. Drakoen 11:44 PM GMT on May 30, 2008    
extreme you're walking into the proverbial lion's den...
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448. hurricane23 11:44 PM GMT on May 30, 2008    
444. KEEPEROFTHEGATE 7:37 PM EDT on May 30, 2008
only navy has 90l up nothing on ssd site or NHC site as of yet so my guess is its a unofficial invest at the moment

Uh no this has been officical for a while now.Its basically an invest with no future.
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449. cchsweatherman 11:45 PM GMT on May 30, 2008    
444. KEEPEROFTHEGATE 7:42 PM EDT on May 30, 2008
only navy has 90l up nothing on ssd site or NHC site as of yet so my guess is its a unofficial invest at the moment


Keep in mind that the next NHC update will come shortly, so they are probably waiting until then to make anything official. Usually, the NHC follows suit with the NAVY guys.
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450. all4hurricanes 11:46 PM GMT on May 30, 2008    
so thats why WU doesn't have 90L

I still think a depression is possible in the Gulf
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451. Cavin Rawlins 11:46 PM GMT on May 30, 2008    
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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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