Dr. Jeff Masters' WunderBlog

Matthew dissipates; new Western Caribbean disturbance organizing
Posted by: Dr. Jeff Masters, 26. syyskuuta 2010 klo 17:28 (GMT) +3
Tropical Storm Matthew has dissipated over the high mountains of Mexico, in the same region where Hurricane Karl came ashore. Matthew's remains will dump very heavy rains over a region that doesn't need it, and flash flooding and mudslide will be a concern over this region of Mexico for the next two days. Guatemala was fortunate--Matthew did dump some heavy rain of up to six inches over the country, but the storm unexpectedly moved well beyond the country, and heavy rains have avoided both Guatemala and Belize today. Venezuela was not so lucky, and heavy rains from Matthew are being blamed for the deaths of seven people in Caracas.


Figure 1. Afternoon satellite image of the Western Caribbean and Central America, showing the remains of Matthew over Mexico, and a large area of disturbed weather beginning to develop over the entire region.

Lisa
Tropical Depression Lisa is being torn apart by wind shear, and will likely not exist by Monday morning.

A wet week for the Western Caribbean
A large region of disturbed weather is developing over the Western Caribbean and Central America today. These sorts of large low pressure systems are very dangerous for Central America and the Western Caribbean, even if they do not spawn a tropical storm. In October 2007, a large low I dubbed "the sleeping giant" spent a week spinning over the region, dumping very heavy rains over all of Central America and the countries bordering the Western Caribbean. Rains from this system triggered flooding that killed 45 people in Haiti, damaged thousands of homes in Cuba, and caused heavy rains in Guatemala, El Salvador, Belize, Mexico, Jamaica, the Cayman Islands, and the Bahamas. The models predict a similar type of storm may evolve over the region over the next few days, and heavy thunderstorms from this disturbance are already affecting the Pacific coasts of Nicaragua, El Salvador, Coast Rica, and Honduras. Heavy rains will likely spread to Jamaica, Cuba, Southwest Haiti, and the Cayman Islands on Monday. These rains may be as great as 3 - 6 inches per day, and will be capable of causing dangerous flooding and mudslides. The models continue to have a poor consensus on the future evolution of this area of disturbed weather. The ECMWF model predicts that by late in the week, the low will get drawn north-northeastwards over Cuba and into South Florida and the Bahamas, and may not develop into a tropical storm. At the other extreme is the GFS model, which predicts that the low will spawn a series of two or three tropical storms over the next ten days, with each of these storms moving northwards across Cuba, South Florida, and the Bahamas. The first of these storms would organize on Monday, moving over South Florida by Wednesday, and would likely be at strongest a 50-mph tropical storm. The Hurricane Hunters are on call to investigate anything that might develop over the Western Caribbean on Monday afternoon. NHC is giving a 10% chance that something might develop in the Western Caribbean by Wednesday.

I'll have an update Monday morning.

Jeff Masters
Categories: Hurricane
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1451. cirrocumulus 27. syyskuuta 2010 klo 04:44 (GMT)    
Matthew remnants firing up.

Member Since: 30.09.2005 Posts: 0 Comments: 1606
1452. 7544 27. syyskuuta 2010 klo 04:45 (GMT)    
carb starting to light up we might see 96l at dmax tonight pick aspot dont go to bed yet
Member Since: 6.05.2007 Posts: 0 Comments: 5925
1453. JLPR2 27. syyskuuta 2010 klo 04:45 (GMT)    
I'm back!
While lurking earlier and seeing Grothar go completely off topic (:P LOL) I spilled a completely full glass of Snapple on my bed, (Don't ask why it was there). Ah, the mess! :S

48L looking happy
Member Since: 4.09.2007 Posts: 7 Comments: 7487
1454. gordydunnot 27. syyskuuta 2010 klo 04:45 (GMT)    
Big giant forecast for tonight I don't believe the NHC is going to be able to ignore system at 12n 35w much longer, last of the Cape Verde's.
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1455. NRAamy 27. syyskuuta 2010 klo 04:46 (GMT)    
Grothar!!! You are up past your bedtime!!!!!
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1456. GeoffreyWPB 27. syyskuuta 2010 klo 04:47 (GMT)    
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1457. xcool 27. syyskuuta 2010 klo 04:48 (GMT)    
lol gfs
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1458. Grothar 27. syyskuuta 2010 klo 04:49 (GMT)    
Quoting flsky:
Quoting Grothar:


Now, your handle would indicate Florida sky, which means who have always been fascinated by cloud formations and sunrises and sunsets.

I live in ECF - moved here from LA,Ca. Anything "weather" fascinates" me after living in a place where there is none.


ECF, I would assume East Central Florida, probably somewhere near Volusia County?
Member Since: 17.07.2009 Posts: 57 Comments: 19552
1459. PSLFLCaneVet 27. syyskuuta 2010 klo 04:50 (GMT)    
Quoting 7544:
carb starting to light up we might see 96l at dmax tonight pick aspot dont go to bed yet


Levi was on top of this scenario 2 days ago. It may make it to the BOC. Then what, is the 64 buck question. I hope it doesn't have the whole length of the GOM to build steam for FL, or elsewhere on the Gulf Coast.
Member Since: 23.07.2010 Posts: 0 Comments: 12406
1460. flsky 27. syyskuuta 2010 klo 04:50 (GMT)    
Quoting PSLFLCaneVet:


You are on top of it. Hey sky, hope you're doing well.

Well, just trying to keep up! hahA
Member Since: 24.10.2006 Posts: 0 Comments: 1276
1461. dader 27. syyskuuta 2010 klo 04:50 (GMT)    
Thnx for posting grothar..I'm on my pda so can barely see Oz GFS- but it looks like a cat1 in sfla on thursday?
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1462. 34chip 27. syyskuuta 2010 klo 04:51 (GMT)    
I live in Key West, and we have ants in the house today does that mean something?? LOL
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1463. dader 27. syyskuuta 2010 klo 04:51 (GMT)    
Thnx for posting grothar..I'm on my pda so can barely see Oz GFS- but it looks like a cat1 in sfla on thursday?
Member Since: 6.09.2008 Posts: 0 Comments: 165
1464. flsky 27. syyskuuta 2010 klo 04:51 (GMT)    
Quoting Grothar:


ECF, I would assume East Central Florida, probably somewhere near Volusia County?

Daytona Beach Shores....
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1465. Grothar 27. syyskuuta 2010 klo 04:52 (GMT)    
Quoting NRAamy:
Grothar!!! You are up past your bedtime!!!!!


They let me stay up an hour later,
Member Since: 17.07.2009 Posts: 57 Comments: 19552
1466. sunlinepr 27. syyskuuta 2010 klo 04:52 (GMT)    
Fighting windshear

Member Since: 2.08.2010 Posts: 19 Comments: 8447
1467. flsky 27. syyskuuta 2010 klo 04:53 (GMT)    
Quoting dader:
Thnx for posting grothar..I'm on my pda so can barely see Oz GFS- but it looks like a cat1 in sfla on thursday?

Well, maybe. I live in ECF and ants have been showing up on my second floor balcony.
Member Since: 24.10.2006 Posts: 0 Comments: 1276
1468. 7544 27. syyskuuta 2010 klo 04:54 (GMT)    
Quoting dader:
Thnx for posting grothar..I'm on my pda so can barely see Oz GFS- but it looks like a cat1 in sfla on thursday?


thursday hmmmm 2 days out and so fla doesnt know whats coming yet this thing has to be a rapid developemet system ?
Member Since: 6.05.2007 Posts: 0 Comments: 5925
1469. Grothar 27. syyskuuta 2010 klo 04:54 (GMT)    
Quoting dader:
Thnx for posting grothar..I'm on my pda so can barely see Oz GFS- but it looks like a cat1 in sfla on thursday?


dader, if you hold the Ctrl button down and press the plus + key, the image gets bigger. To bring it back to normal size, hold the Ctrl key and hit the minus - button and it will go back to normal size. From your handle I assume you are from Dade County?
Member Since: 17.07.2009 Posts: 57 Comments: 19552
1471. cirrocumulus 27. syyskuuta 2010 klo 04:54 (GMT)    
Matthew remnants moving into the Bay of Campeche.

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1472. flsky 27. syyskuuta 2010 klo 04:54 (GMT)    
Quoting 34chip:
I live in Key West, and we have ants in the house today does that mean something?? LOL

Possibly
Member Since: 24.10.2006 Posts: 0 Comments: 1276
1473. JLPR2 27. syyskuuta 2010 klo 04:54 (GMT)    
Quoting sunlinepr:
Fighting windshear



What's fighting wind shear?
Member Since: 4.09.2007 Posts: 7 Comments: 7487
1475. Grothar 27. syyskuuta 2010 klo 04:56 (GMT)    
Quoting flsky:

Well, maybe. I live in ECF and ants have been showing up on my second floor balcony.


If you remove the cheese puffs, they usually go away on their own.
Member Since: 17.07.2009 Posts: 57 Comments: 19552
1476. PSLFLCaneVet 27. syyskuuta 2010 klo 04:56 (GMT)    
Quoting flsky:

Daytona Beach Shores....


Love the big D. Up there many times for various racing events. The Rolex tests are our favorites. Better than the Cup tests. Of course, Cup doesn't test these days. At the Roar Before, you can get right in the garage area. Pit road, too.
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1477. GeoffreyWPB 27. syyskuuta 2010 klo 04:56 (GMT)    
Quoting dader:
Thnx for posting grothar..I'm on my pda so can barely see Oz GFS- but it looks like a cat1 in sfla on thursday?


Absolutely…that’s why it is at 10% and the watches have been issued.
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1478. 7544 27. syyskuuta 2010 klo 04:56 (GMT)    
make that 3 days out
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1480. flsky 27. syyskuuta 2010 klo 04:57 (GMT)    
Quoting PSLFLCaneVet:


Levi was on top of this scenario 2 days ago. It may make it to the BOC. Then what, is the 64 buck question. I hope it doesn't have the whole length of the GOM to build steam for FL, or elsewhere on the Gulf Coast.

Levi is an incredible source, isn't he?
Member Since: 24.10.2006 Posts: 0 Comments: 1276
1482. Grothar 27. syyskuuta 2010 klo 04:58 (GMT)    
Quoting JLPR2:
I'm back!
While lurking earlier and seeing Grothar go completely off topic (:P LOL) I spilled a completely full glass of Snapple on my bed, (Don't ask why it was there). Ah, the mess! :S

48L looking happy


I think you have been drinking too much Snapple, what is 48L???
Member Since: 17.07.2009 Posts: 57 Comments: 19552
1483. swampliliy 27. syyskuuta 2010 klo 04:59 (GMT)    
Quoting Grothar:


They let me stay up an hour later,



Hey Groth! :))

For you and I and any other seasoned citizens on tonight- the sixties Link
Member Since: 26.08.2009 Posts: 7 Comments: 7039
1484. flsky 27. syyskuuta 2010 klo 04:59 (GMT)    
Quoting PSLFLCaneVet:


Love the big D. Up there many times for various racing events. The Rolex tests are our favorites. Better than the Cup tests. Of course, they don't test these days. At the Roar Before, you can get right in the garage area. Pit road too.

Hope you know about the Embry-Riddle event coming up soon in front of the Ocean Center on the beach!
Member Since: 24.10.2006 Posts: 0 Comments: 1276
1486. GeoffreyWPB 27. syyskuuta 2010 klo 05:01 (GMT)    
Not 60's....but I know of their music.
Member Since: 10.09.2007 Posts: 0 Comments: 9127
1488. PSLFLCaneVet 27. syyskuuta 2010 klo 05:01 (GMT)    
Quoting flsky:

Hope you know about the Embry-Riddle event coming up soon in front of the Ocean Center on the beach!


No. Enlighten me, please.
Member Since: 23.07.2010 Posts: 0 Comments: 12406
1489. sunlinepr 27. syyskuuta 2010 klo 05:01 (GMT)    
12N, 35W, You're correct, no shear maybe until 52W, if it persists..... What's your opinion???
Quoting JLPR2:


What's fighting wind shear?
Member Since: 2.08.2010 Posts: 19 Comments: 8447
1490. cirrocumulus 27. syyskuuta 2010 klo 05:01 (GMT)    
Interesting: Matthew exiting land into the Bay of Campeche.
Member Since: 30.09.2005 Posts: 0 Comments: 1606
1491. swflurker 27. syyskuuta 2010 klo 05:02 (GMT)    
Please, Don't feed the ants!
Quoting JFLORIDA:
Ants act up in tropical weather too Jason.

I have an electrical box on my water pump also they are attracted to. Somehow the spark from the relay attracts them I think.
Member Since: 6.08.2010 Posts: 0 Comments: 88
1492. LiveToFish0430 27. syyskuuta 2010 klo 05:03 (GMT)    
Quoting xXJasonisdumbmanXx:
I don't know much about computer models, but I do know a lot about those beautiful blonde noweigan models!


BTW, I hope Nicole goes to Florida, so it can kill off all the weak minded down their.


people like you are the reason this blog has gone downhill recently. get a life
Member Since: 1.09.2010 Posts: 0 Comments: 29
1493. flsky 27. syyskuuta 2010 klo 05:04 (GMT)    
Quoting xXJasonisdumbmanXx:


yes that mean you leave trash on your floor, cause my gf always leaves her pizza on my floor and it makes ans all over too...

Actually, no. I keep my balcony very clean - and even vacuum occasionally!
Member Since: 24.10.2006 Posts: 0 Comments: 1276
1494. dmaddox 27. syyskuuta 2010 klo 05:04 (GMT)    
Quoting xXJasonisdumbmanXx:
piss, the GFDL is bombing out too 898! MB!
what are you talking about!?
Member Since: 5.05.2007 Posts: 0 Comments: 445
1495. hunkerdown 27. syyskuuta 2010 klo 05:04 (GMT)    
Quoting NRAamy:
Grothar!!! You are up past your bedtime!!!!!
it was time for an adult brief change
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1496. xcool 27. syyskuuta 2010 klo 05:04 (GMT)    




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1497. cirrocumulus 27. syyskuuta 2010 klo 05:05 (GMT)    
The Bay of Campeche is starting to heat up as Matthew arrives.

Member Since: 30.09.2005 Posts: 0 Comments: 1606
1498. JLPR2 27. syyskuuta 2010 klo 05:05 (GMT)    
Quoting Grothar:


I think you have been drinking too much Snapple, what is 48L???


PGI48L, CATL low, and no, that was the first glass in awhile!
*nose grows* LOL!
Member Since: 4.09.2007 Posts: 7 Comments: 7487
1499. sunlinepr 27. syyskuuta 2010 klo 05:05 (GMT)    
Member Since: 2.08.2010 Posts: 19 Comments: 8447
1500. Grothar 27. syyskuuta 2010 klo 05:06 (GMT)    
Quoting swampliliy:



Hey Groth! :))

For you and I and any other seasoned citizens on tonight- the sixties Link


Yo, Swamp. That is a keeper!!! They'll never know how nice it really was, will they?
Member Since: 17.07.2009 Posts: 57 Comments: 19552

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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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