Dr. Jeff Masters' WunderBlog

Alma dies without causing a major disaster; tornadoes rip Midwest
Posted by: Dr. Jeff Masters, 03:03 PM GMT del 30 Maggio 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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252. Cavin Rawlins 10:08 PM GMT del 30 Maggio 2008    
Tampa

http://weather.noaa.gov/weather/current/MHRO.html
Member Since: Luglio 24, 2005 Posts: 407 Comments: 19076
253. kingy 10:08 PM GMT del 30 Maggio 2008    
Alma is surprising us again CCHS. That last image you uploaded suggests that somehow a low is back over water in the caribbean, this was not expected, but can convection get the low going spinning again? The weekend could be remarkable viewing. I am packing up and leaving the Keys for my modest abode in mainland Florida in the next 2 weeks as I can't stand the prospect of another anxiety attack from a damn mandatory evac. You may think I over-react, but the evacs are becoming a horrible part of the keys lifestyle and I can't stand it anymore folks, I am sorry but I can't stand the evacs. I will drop the steel storm shutters, move the valuables/electricals upstairs.... and to hell with the florida keys for 6 months. You would be surprised to know how many of my neighbours do the same.....or would like to.
Even the local keys police say it was never this bad in the old days of the 80's and 90's. They don't like the mandatory evacs anymore than we do... but the evacs are federally enforced so we can't do a damn thing about it. I ain't waiting around for someone to kick me out of my home in July, I'm going now.
255. thelmores 10:10 PM GMT del 30 Maggio 2008    
"Must be the remnant of Karen! (just kidding)"

yea, Karen had what about 9 lives? :)
Member Since: Settembre 8, 2005 Posts: 0 Comments: 3748
256. Cavin Rawlins 10:10 PM GMT del 30 Maggio 2008    
237. thelmores 5:59 PM AST on May 30, 2008
"Roatan now reporting SW winds @ 18 mph and a pressure of 1007 mb and falling. Interesting"

kman, could this just be thunderstorms?


24 hr pressure tendencies are use to aviod that...it also shows its falling.
Member Since: Luglio 24, 2005 Posts: 407 Comments: 19076
257. seflagamma 10:11 PM GMT del 30 Maggio 2008    
250. StormW 6:08 PM EDT on May 30, 2008
Must be the remnant of Karen! (just kidding)



That is funny, the storm that just wouldn't completely go away! and don't forget her girlfriend Melissa! LOL
Member Since: Agosto 29, 2005 Posts: 286 Comments: 40485
259. Chicklit 10:13 PM GMT del 30 Maggio 2008    
Will check back later...Florida is in a severe drought so I hope something wicked this way comes and dumps a bunch of much-needed rain!
Member Since: Luglio 11, 2006 Posts: 14 Comments: 10255
260. Cavin Rawlins 10:13 PM GMT del 30 Maggio 2008    
I dont like RAMDIS, it makes systems look better than they really are, go take a look at the ssd shot, you will tell the difference, this is disorganized and broad, plus the real center is over Belize

All signs and the NHC point otherwise.
Member Since: Luglio 24, 2005 Posts: 407 Comments: 19076
262. thelmores 10:15 PM GMT del 30 Maggio 2008    
I pretty much agree jp....... we have a "broad" circ...... with little organization....... a witches brew if you will.

Member Since: Settembre 8, 2005 Posts: 0 Comments: 3748
263. seflagamma 10:15 PM GMT del 30 Maggio 2008    
what happened to the predictions that this system would die over land and NO way would something develope in the Carribean this quickly would take many days before it could develope,etc!

now we got a swirl??? LOL
Member Since: Agosto 29, 2005 Posts: 286 Comments: 40485
265. seflagamma 10:16 PM GMT del 30 Maggio 2008    
next thing I will see here is the wave off Africa is holding together and getting organized with nothing to stop it! LOL
Member Since: Agosto 29, 2005 Posts: 286 Comments: 40485
266. Cavin Rawlins 10:16 PM GMT del 30 Maggio 2008    
250. StormW 6:08 PM AST on May 30, 2008
Must be the remnant of Karen! (just kidding)


Nar it looks more like Ingrid.
Member Since: Luglio 24, 2005 Posts: 407 Comments: 19076
268. seflagamma 10:17 PM GMT del 30 Maggio 2008    
oh, I see we don't really have anything interesting yet; just some clouds.

I do wish we could get a soggy but not windy system over Florida this weekend or next week.
Member Since: Agosto 29, 2005 Posts: 286 Comments: 40485
269. seflagamma 10:18 PM GMT del 30 Maggio 2008    
266.. ROFL..I forgot about ingrid!!!! I was rooting for her for weeks to get her act together and keep it together!!!
Member Since: Agosto 29, 2005 Posts: 286 Comments: 40485
270. TampaSpin 10:19 PM GMT del 30 Maggio 2008    
Looks like we have an invest90 now in the Atl.
Member Since: Settembre 2, 2007 Posts: 175 Comments: 19747
271. cchsweatherman 10:20 PM GMT del 30 Maggio 2008    
Watching the latest GFS model reveals something much more important and disturbing than this system. Soon, it would appear, the Bermuda and Azores highs are going to merge and strengthen as they sprawl across the Atlantic Ocean. Once this happens, forget about recurvature out to sea as any systems coming across the Atlantic will hit land somewhere if this were to hold throughout the season. That is an important IF.
Member Since: Aprile 14, 2007 Posts: 8 Comments: 4926
273. cchsweatherman 10:21 PM GMT del 30 Maggio 2008    
NAVY HAS DECLARED INVEST 90L!!!
Member Since: Aprile 14, 2007 Posts: 8 Comments: 4926
274. seflagamma 10:22 PM GMT del 30 Maggio 2008    
NO WAY!!!!
Member Since: Agosto 29, 2005 Posts: 286 Comments: 40485
275. DocBen 10:22 PM GMT del 30 Maggio 2008    
CCHS - looks to me like the center is a bit to the SW of yours - closer to land.
Member Since: Maggio 16, 2006 Posts: 0 Comments: 96
276. kingy 10:23 PM GMT del 30 Maggio 2008    
if there really is a low in the caribbean it shows how complex a science (art?) that forecasting really is becoming. It is only the beginning of the beginning of the 2008 season....but I get a funny feeling about this season
278. TampaSpin 10:23 PM GMT del 30 Maggio 2008    
CCHS beat ya......lol
Member Since: Settembre 2, 2007 Posts: 175 Comments: 19747
280. thelmores 10:24 PM GMT del 30 Maggio 2008    


There..... I put some lipstick on the pig..... is that better? LOL
Member Since: Settembre 8, 2005 Posts: 0 Comments: 3748
281. Skyepony (Mod) 10:24 PM GMT del 30 Maggio 2008    
I would have thought they might have waited for it to persist a few more hours before declaring invest. But then again, they may not have wanted to risk the wait on something that has such potental to pull it all together pretty quick.

This all is no suprise to me, I've been saying this all was a real possibility since before Alma made landfall yesterday morning.
Member Since: Agosto 10, 2005 Posts: 144 Comments: 29372
282. Cavin Rawlins 10:25 PM GMT del 30 Maggio 2008    
we have 90L
Member Since: Luglio 24, 2005 Posts: 407 Comments: 19076
283. TampaSpin 10:25 PM GMT del 30 Maggio 2008    
It is very easy to see the Low to mid Level low at 1k closeup looped......very impressive spin.
Member Since: Settembre 2, 2007 Posts: 175 Comments: 19747
284. Bamatracker 10:25 PM GMT del 30 Maggio 2008    
ah crap...am i going to have to board up now? j/k
Member Since: Maggio 17, 2006 Posts: 6 Comments: 1364
285. seflagamma 10:26 PM GMT del 30 Maggio 2008    
I looked at the sat loop and it is a real storm; looks like it is developing quickly.

Now where will it go?
Member Since: Agosto 29, 2005 Posts: 286 Comments: 40485
286. moonlightcowboy 10:26 PM GMT del 30 Maggio 2008    
Member Since: Luglio 9, 2006 Posts: 179 Comments: 28121
287. msphar 10:27 PM GMT del 30 Maggio 2008    
CCH 1
Naysers zip

but do we have Aurther son of Alma ???

Member Since: Agosto 20, 2006 Posts: 0 Comments: 258
288. cchsweatherman 10:27 PM GMT del 30 Maggio 2008    
Just waiting for the imagery and track position and intensity to come on the NAVY site.

Looks like Alma wants to throw more curveballs at us and the NHC. So much for sitting back and relaxing about Alma. Just bring some moisture into Florida and I'll be very happy.
Member Since: Aprile 14, 2007 Posts: 8 Comments: 4926
291. TampaSpin 10:28 PM GMT del 30 Maggio 2008    
279. jphurricane2006 6:24 PM EDT on May 30, 2008
cchs, did that really deserve caps and an exclamation point

its not like the system became a CAT 5 or anything


Was this necessary to point that out JP...not needed to start a war over something so pity.
Member Since: Settembre 2, 2007 Posts: 175 Comments: 19747
293. thelmores 10:28 PM GMT del 30 Maggio 2008    
Member Since: Settembre 8, 2005 Posts: 0 Comments: 3748
294. Bamatracker 10:28 PM GMT del 30 Maggio 2008    
isn't a high suppose to be building into the GOM over the next couple of days keeping this from going north?
Member Since: Maggio 17, 2006 Posts: 6 Comments: 1364
297. melwerle 10:30 PM GMT del 30 Maggio 2008    
Hey Storm! good to see you...

Can you send me the link to the navy website so I can bookmark please?

Thank you!

Melissa
Member Since: Giugno 28, 2006 Posts: 12 Comments: 1837
298. cchsweatherman 10:30 PM GMT del 30 Maggio 2008    
287. msphar 6:27 PM EDT on May 30, 2008
CCH 1
Naysers zip

but do we have Aurther son of Alma ???


IF this were to become a tropical storm, it would be named Arthur. It will have to quickly organize and move further north and away from the Yucatan for that to happen, but just remember what Alma did yesterday. It formed an eye-like feature within one hour about 50 miles off the Nicaraguan coast, so I'm not putting anything past the system.
Member Since: Aprile 14, 2007 Posts: 8 Comments: 4926
299. DocBen 10:30 PM GMT del 30 Maggio 2008    
but do we have Aurther son of Alma ???

Or Alma rises from the grave?

So, just what will they name it if it develops?
Member Since: Maggio 16, 2006 Posts: 0 Comments: 96
300. moonlightcowboy 10:30 PM GMT del 30 Maggio 2008    
Member Since: Luglio 9, 2006 Posts: 179 Comments: 28121
301. Stormchaser2007 10:30 PM GMT del 30 Maggio 2008    
JP these people are Tropical Weather junkies!! 90L is there fix and they are all excited....(hate to use that analogy)
Member Since: Giugno 9, 2007 Posts: 4 Comments: 15248

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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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