Dr. Jeff Masters' WunderBlog

Jova and TD-12E kill 18 in Mexico, Guatemala
Posted by: Dr. Jeff Masters, 13. lokakuuta 2011 klo 10:18 (GMT) +20
Hurricane Jova has dissipated, but its remnants continues to dump heavy rains over Mexico's coastal mountains near Puerto Vallarta. Jova made landfall on Mexico's Pacific coast at 10 pm PDT Tuesday night as a Category 2 storm with 100 mph winds, and was the strongest hurricane to hit Mexico's Pacific coast since Hurricane Jimena hit Baja as a Category 2 storm with 105 mph winds in 2009. Jova's torrential rains triggered flooding and mudslides that have killed five people so far in Mexico. Jova's highest rainfall amounts on Tuesday occurred in Coquimatlan, located in the state of Colima, about 30 miles northeast of Manzanillo. Coquimatlan recorded 374.4 mm (14.74") of rain on Tuesday, according to the Mexican weather service. This is not far below the all-time record hurricane rainfall for Colima state, which is 15.57", set in 1998 during Hurricane Javier.

Another significant rainfall threat is the remains Tropical Depression 12-E, which moved inland near the Mexico/Guatemala border yesterday afternoon. TD-12E is being blamed for the deaths of thirteen people in Guatemala, due to flooding, mudslides, and electrocutions from downed power lines. Tropical Depression Irwin, which is headed eastwards towards the same stretch of Mexican coast Jova affected, is expected to dissipate before reaching the coast. It is unlikely Irwin will bring significant rains to Mexico.


Figure 1. True-color MODIS image of Tropical Storm Jova (upper right) and Tropical Storm Irwin (lower left) taken at 1:30 pm EDT October 12, 2011. At the time, Jova had 65 mph winds, and Irwin had 40 mph winds. Image credit: NASA.

Wunderblogger Mike Theiss is in Barra de Navidad, just north-west of Manzanillo, and received a direct hit from Jova's eye. His final report; "Found a small building north of La Manzanilla directly in path of Hurricane Jova's eye. No power, only iPhone battery and still cell service for now. We will get a direct hit here but no lights to see anything to film. Waves are large and crashing on building. Only going to get worse !! Sorry no photos yet, today was actually nice all day and right at dark wind picked up and knocked out power."

Quiet in the Atlantic
Many of the computer models continue to predict that a strong tropical disturbance capable of becoming a tropical depression could form in the Western Caribbean or extreme southern Gulf of Mexico early next week. Some of the spin and moisture for this storm could come from the remains of TD 12-E.

Jeff Masters
Categories: Hurricane
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301. indianrivguy 13. lokakuuta 2011 klo 23:20 (GMT)    
Nice graphic Keeper, thanks. Sure shows falling wind shear in the worse place.

You too Pat, thanks.

Well Levi, things have finally set up like you have been discussing, the next few days will be interesting. Thanks for your input too.

Ya just never know what is going to happen in October. I'm going to discuss this storm and its sudden appearance in a couple days.



Member Since: 23.09.2006 Posts: 1 Comments: 1778
302. Sfloridacat5 13. lokakuuta 2011 klo 23:22 (GMT)    
Quoting wunderweatherman123:
hard to believe the nam it explodes a SW carribean low into a hurricane.. i wanna see what the 18z gfs shows


GFS develops the low but moves it westward across the Yucatan.
Member Since: 16.09.2007 Posts: 0 Comments: 2026
303. Seflhurricane 13. lokakuuta 2011 klo 23:23 (GMT)    
looks like by observations and buoy info we may have a low pressure forming just east of the yucatan .
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304. whepton3 13. lokakuuta 2011 klo 23:23 (GMT)    
Quoting Levi32:


It's elongated and large so I'd expect development to stay gradual. The current convective burst is making it look pretty impressive, but we will have to see if that dies off later. Diurnal maximum may aid it later in the night though. I would keep a close eye on it if I were in the NW Caribbean right now.


We're watching it in S. FL for the next several days it appears.

Interesting to view this:



and then this:



and then this:



And you can see how deceptive the convection can make things.
Member Since: 19.07.2010 Posts: 0 Comments: 637
305. wunderweatherman123 13. lokakuuta 2011 klo 23:23 (GMT)    
Quoting Levi32:


It's elongated and large so I'd expect development to stay gradual. The current convective burst is making it look pretty impressive, but we will have to see if that dies off later. Diurnal maximum may aid it later in the night though. I would keep a close eye on it if I were in the NW Caribbean right now.
just curious was wilmas formation gradual or rapid as in the thing that spawned wilma did it take its time to become a tropical storm or just rapidly developed? thanks
Member Since: 23.08.2011 Posts: 0 Comments: 833
306. HurricaneDean07 13. lokakuuta 2011 klo 23:24 (GMT)    
94L could blossom into Rina if it wasnt for the fact that it's entering into 30 to 40 knots of shear...
Though i mean we have seen Franklin and Jose. Just Sayin...
Though pre95L is looking ready to organize, wonder what DMIN will do to it.
Member Since: 3.10.2010 Posts: 39 Comments: 4035
307. Levi32 13. lokakuuta 2011 klo 23:24 (GMT)    
Quoting whepton3:


We're watching it in S. FL for the next several days it appears.

Interesting to view this:



and then this:

http://tropic.ssec.wisc.edu/real-time/atlantic/wi nds/wg8vor.GIF

and then this:



And you can see how deceptive the convection can make things.


The CIMSS product can't see underneath cirrus canopies, and where there are thunderstorms, there is at least some low-level convergence. There is no way around that. It's not a perfect product but it is very helpful for a lot of situations.
Member Since: 24.11.2005 Posts: 586 Comments: 25441
308. KEEPEROFTHEGATE (Mod) 13. lokakuuta 2011 klo 23:26 (GMT)    
Member Since: 15.07.2006 Posts: 143 Comments: 40413
309. daddyjames 13. lokakuuta 2011 klo 23:30 (GMT)    
Been absent for a bit, but welcome back Levi, and thanks for your input - not to shortchange anyone else.
Member Since: 25.06.2011 Posts: 0 Comments: 148
310. Sfloridacat5 13. lokakuuta 2011 klo 23:30 (GMT)    
Quoting wunderweatherman123:
just curious was wilmas formation gradual or rapid as in the thing that spawned wilma did it take its time to become a tropical storm or just rapidly developed? thanks


I believe Wilma was one of the fastest developing storms in history.
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311. indianrivguy 13. lokakuuta 2011 klo 23:32 (GMT)    
Quoting wunderweatherman123:
just curious was wilmas formation gradual or rapid as in the thing that spawned wilma did it take its time to become a tropical storm or just rapidly developed? thanks


Have you ever used Dr. Masters hurricane archive ? Its easy to use and a great resource. I saved the entire thing years ago and keep it updated. I even broke out storms that affected Florida to make referencing easy. Its on the right hand side of the Topical Weather page. Just choose your year of interest and viola! you are there.
Member Since: 23.09.2006 Posts: 1 Comments: 1778
312. whepton3 13. lokakuuta 2011 klo 23:32 (GMT)    
Quoting Levi32:


The CIMSS product can't see underneath cirrus canopies, and where there is are thunderstorms, there is at least some low-level convergence. There is no way around that. It's not a perfect product but it is very helpful for a lot of situations.


You betcha! -to quote your former governor.

There's clearly something going on under there.

Looking forward to seeing how hard all the models bite over the next few runs.
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313. whepton3 13. lokakuuta 2011 klo 23:39 (GMT)    
Nobody seems to be super excited about this thing... CMC brings something across FL mid week...

A quick check of a few other guys keep it lingering down near the Yucatan.
Member Since: 19.07.2010 Posts: 0 Comments: 637
314. ecflweatherfan 13. lokakuuta 2011 klo 23:39 (GMT)    
Good evening all... a lot of chatter about this disturbance in the NW Carib... NWS Melbourne also noting this in their discussion as well. Not overly sold on anything yet due to lack of model guidance. But seems interesting nonetheless... and they are also noting that rain chances will again be much higher in the early week time frame due to whatever is pulled up from there (either moisture or a low pressure itself) ahead of an advancing trough.

If this does get pulled to FL, expect some much cooler temps for the mid to late part of the next week.
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315. JLPR2 13. lokakuuta 2011 klo 23:39 (GMT)    
Even though its chances are really low the TW analyzed near 30W has a really nice 850mb vort with it, clearly has a spin, a ULAC is developing on top of it and it has decent convection, so, who knows... XD

Member Since: 4.09.2007 Posts: 7 Comments: 7487
316. canehater1 13. lokakuuta 2011 klo 23:42 (GMT)    
The disturbed weather in NW Carib. can indirectly affect us mariners in the Oil Patch as pressure gradient could tighten up between Low and High Pressure over conus, resulting in rough seas..
will keep our weather eys on it
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317. stormpetrol 13. lokakuuta 2011 klo 23:45 (GMT)    
That convection over the NW Caribbean is impressive and something to be weary of this time of year! IMO, this is not one that is all bark and no bite, it HAS to be watch, just saying.....
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318. whepton3 13. lokakuuta 2011 klo 23:45 (GMT)    
Quoting ecflweatherfan:
Good evening all... a lot of chatter about this disturbance in the NW Carib... NWS Melbourne also noting this in their discussion as well. Not overly sold on anything yet due to lack of model guidance. But seems interesting nonetheless... and they are also noting that rain chances will again be much higher in the early week time frame due to whatever is pulled up from there (either moisture or a low pressure itself) ahead of an advancing trough.

If this does get pulled to FL, expect some much cooler temps for the mid to late part of the next week.


I had just noted that as well... none of the models really have the hots for this... yet.

S. FL NWS discussion is pointing out the dubious model consistency tonight:

THE 12Z NAM ACTUALLY DEPICTS A WAVE
OF LOW PRESSURE DEVELOPING TO THE SW OF THE REMNANT BOUNDARY AND THEN FORMING INTO A TROPICAL SYSTEM SOUTHWEST OF CUBA BY LATE SUNDAY. THE 12Z GFS ONCE AGAIN SHOWS MOISTURE RETURNING TO THE REGION AS EARLY AS LATE SATURDAY. HOWEVER, TIMING REMAINS QUITE
UNCERTAIN GIVEN THE DISPARITIES AMONG THE MODELS AND THEIR INCONSISTENCIES OVER THE PAST FEW DAYS. WE AWAIT BETTER MODEL CONTINUITY AND AGREEMENT BEFORE MAKING ANY MAJOR CHANGES TO THE EXTENDED FORECAST.
Member Since: 19.07.2010 Posts: 0 Comments: 637
319. TropicalAnalystwx13 13. lokakuuta 2011 klo 23:47 (GMT)    
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT THU OCT 13 2011

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

A WEAK SURFACE LOW CENTERED BETWEEN THE NORTHWESTERN BAHAMAS AND
BERMUDA IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS. THERE
IS A STRONG LIKELIHOOD THAT THIS LOW COULD MERGE WITH A FRONTAL
SYSTEM DURING THE NEXT DAY OR TWO AS IT MOVES TOWARD THE NORTHEAST
AT 15 TO 20 MPH. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

SURFACE PRESSURES ARE FALLING IN THE NORTHWESTERN CARIBBEAN
SEA...AND THERE HAS BEEN A SHARP INCREASE IN THUNDERSTORM ACTIVITY.
THIS SYSTEM IS EXPECTED TO MOVE LITTLE...AND DEVELOPMENT...IF
ANY...WILL BE SLOW TO OCCUR. REGARDLESS OF DEVELOPMENT...LOCALLY
HEAVY RAINS WILL LIKELY CONTINUE OVER A LARGE PORTION OF CENTRAL
AMERICA...CUBA AND ADJACENT ISLANDS DURING THE NEXT COUPLE OF DAYS
RESULTING IN LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. THIS
SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS. THIS WEATHER PATTERN IS A COMMON
OCCURRENCE IN THE WESTERN CARIBBEAN SEA DURING OCTOBER.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER AVILA/BERG
Member Since: 6.07.2010 Posts: 89 Comments: 25213
320. Levi32 13. lokakuuta 2011 klo 23:48 (GMT)    
It's really something to see such a mass of showers all moving west to east off of the Yucatan Peninsula. The monsoon trough is way out of its normal position, and is aiding the formation of low pressure over the western Caribbean.

Member Since: 24.11.2005 Posts: 586 Comments: 25441
321. CybrTeddy 13. lokakuuta 2011 klo 23:50 (GMT)    
I'm really confused by the NHC.. they say thunderstorm activity has been on a sharp increase.. and surface pressures are falling.. but they don't increase the odds?
Member Since: 8.07.2005 Posts: 253 Comments: 20201
322. whepton3 13. lokakuuta 2011 klo 23:50 (GMT)    
Quoting TropicalAnalystwx13:
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT THU OCT 13 2011

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

A WEAK SURFACE LOW CENTERED BETWEEN THE NORTHWESTERN BAHAMAS AND
BERMUDA IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS. THERE
IS A STRONG LIKELIHOOD THAT THIS LOW COULD MERGE WITH A FRONTAL
SYSTEM DURING THE NEXT DAY OR TWO AS IT MOVES TOWARD THE NORTHEAST
AT 15 TO 20 MPH. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

SURFACE PRESSURES ARE FALLING IN THE NORTHWESTERN CARIBBEAN
SEA...AND THERE HAS BEEN A SHARP INCREASE IN THUNDERSTORM ACTIVITY.
THIS SYSTEM IS EXPECTED TO MOVE LITTLE...AND DEVELOPMENT...IF
ANY...WILL BE SLOW TO OCCUR. REGARDLESS OF DEVELOPMENT...LOCALLY
HEAVY RAINS WILL LIKELY CONTINUE OVER A LARGE PORTION OF CENTRAL
AMERICA...CUBA AND ADJACENT ISLANDS DURING THE NEXT COUPLE OF DAYS
RESULTING IN LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. THIS
SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS. THIS WEATHER PATTERN IS A COMMON
OCCURRENCE IN THE WESTERN CARIBBEAN SEA DURING OCTOBER.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER AVILA/BERG


Interesting... and worth a chuckle:

"THIS WEATHER PATTERN IS A COMMON OCCURRENCE IN THE WESTERN CARIBBEAN SEA DURING OCTOBER."

Almost sounds like they're trying to prevent the inevitable "why aren't they making this an invest?/why won't they up the development probability?" posts on the WUblog.

Member Since: 19.07.2010 Posts: 0 Comments: 637
323. trHUrrIXC5MMX 13. lokakuuta 2011 klo 23:53 (GMT)    
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT THU OCT 13 2011

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

A WEAK SURFACE LOW CENTERED BETWEEN THE NORTHWESTERN BAHAMAS AND
BERMUDA IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS. THERE
IS A STRONG LIKELIHOOD THAT THIS LOW COULD MERGE WITH A FRONTAL
SYSTEM DURING THE NEXT DAY OR TWO AS IT MOVES TOWARD THE NORTHEAST
AT 15 TO 20 MPH. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

SURFACE PRESSURES ARE FALLING IN THE NORTHWESTERN CARIBBEAN
SEA...AND THERE HAS BEEN A SHARP INCREASE IN THUNDERSTORM ACTIVITY.

THIS SYSTEM IS EXPECTED TO MOVE LITTLE...AND DEVELOPMENT...IF
ANY...WILL BE SLOW TO OCCUR. REGARDLESS OF DEVELOPMENT...LOCALLY
HEAVY RAINS WILL LIKELY CONTINUE OVER A LARGE PORTION OF CENTRAL
AMERICA...CUBA AND ADJACENT ISLANDS DURING THE NEXT COUPLE OF DAYS
RESULTING IN LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. THIS
SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS. THIS WEATHER PATTERN IS A COMMON
OCCURRENCE IN THE WESTERN CARIBBEAN SEA DURING OCTOBER.

why still 10%?
Member Since: 23.04.2011 Posts: 32 Comments: 7878
324. HurricaneDean07 13. lokakuuta 2011 klo 23:53 (GMT)    
A WEAK SURFACE LOW CENTERED BETWEEN THE NORTHWESTERN BAHAMAS AND
BERMUDA IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS. THERE
IS A STRONG LIKELIHOOD THAT THIS LOW COULD MERGE WITH A FRONTAL
SYSTEM DURING THE NEXT DAY OR TWO AS IT MOVES TOWARD THE NORTHEAST
AT 15 TO 20 MPH. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

SURFACE PRESSURES ARE FALLING IN THE NORTHWESTERN CARIBBEAN
SEA...AND THERE HAS BEEN A SHARP INCREASE IN THUNDERSTORM ACTIVITY.
THIS SYSTEM IS EXPECTED TO MOVE LITTLE...AND DEVELOPMENT...IF
ANY...WILL BE SLOW TO OCCUR. REGARDLESS OF DEVELOPMENT...LOCALLY
HEAVY RAINS WILL LIKELY CONTINUE OVER A LARGE PORTION OF CENTRAL
AMERICA...CUBA AND ADJACENT ISLANDS DURING THE NEXT COUPLE OF DAYS
RESULTING IN LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. THIS
SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS. THIS WEATHER PATTERN IS A COMMON
OCCURRENCE IN THE WESTERN CARIBBEAN SEA DURING OCTOBER.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER AVILA/BERG


Well...
Member Since: 3.10.2010 Posts: 39 Comments: 4035
325. ecflweatherfan 13. lokakuuta 2011 klo 23:54 (GMT)    
Quoting CybrTeddy:
I'm really confused by the NHC.. they say thunderstorm activity has been on a sharp increase.. and surface pressures are falling.. but they don't increase the odds?


I would expect however, if this trend continues tonight, that either by 2am or 8am tomorrow, those chances would become a medium probability.
Member Since: 19.03.2010 Posts: 0 Comments: 947
326. TropicalAnalystwx13 13. lokakuuta 2011 klo 23:55 (GMT)    
Quoting CybrTeddy:
I'm really confused by the NHC.. they say thunderstorm activity has been on a sharp increase.. and surface pressures are falling.. but they don't increase the odds?

That's Avila and Berg for you.
Member Since: 6.07.2010 Posts: 89 Comments: 25213
327. whepton3 13. lokakuuta 2011 klo 23:55 (GMT)    
Quoting trHUrrIXC5MMX:
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT THU OCT 13 2011

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

A WEAK SURFACE LOW CENTERED BETWEEN THE NORTHWESTERN BAHAMAS AND
BERMUDA IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS. THERE
IS A STRONG LIKELIHOOD THAT THIS LOW COULD MERGE WITH A FRONTAL
SYSTEM DURING THE NEXT DAY OR TWO AS IT MOVES TOWARD THE NORTHEAST
AT 15 TO 20 MPH. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

SURFACE PRESSURES ARE FALLING IN THE NORTHWESTERN CARIBBEAN
SEA...AND THERE HAS BEEN A SHARP INCREASE IN THUNDERSTORM ACTIVITY.

THIS SYSTEM IS EXPECTED TO MOVE LITTLE...AND DEVELOPMENT...IF
ANY...WILL BE SLOW TO OCCUR. REGARDLESS OF DEVELOPMENT...LOCALLY
HEAVY RAINS WILL LIKELY CONTINUE OVER A LARGE PORTION OF CENTRAL
AMERICA...CUBA AND ADJACENT ISLANDS DURING THE NEXT COUPLE OF DAYS
RESULTING IN LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. THIS
SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS. THIS WEATHER PATTERN IS A COMMON
OCCURRENCE IN THE WESTERN CARIBBEAN SEA DURING OCTOBER.

why still 10%?


The answer is in the last sentence.

"This weather pattern in a common occurrence in the Western Caribbean Sea during October."

They're just like the models... withholding judgment it appears.
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328. shawn26 13. lokakuuta 2011 klo 23:56 (GMT)    
When r the next model runs due out?
Member Since: 3.09.2009 Posts: 0 Comments: 203
329. KoritheMan 13. lokakuuta 2011 klo 23:59 (GMT)    
Quoting CybrTeddy:
I'm really confused by the NHC.. they say thunderstorm activity has been on a sharp increase.. and surface pressures are falling.. but they don't increase the odds?


Well, this system is not going to spin up overnight.
Member Since: 7.03.2007 Posts: 408 Comments: 15418
330. hydrus 14. lokakuuta 2011 klo 00:01 (GMT)    
Quoting Drakoen:
Interesting system in the Caribbean, MJO-enhanced convection prevailing on the Western Caribbean with buoy 42057, at one point, reporting rapidly falling surface pressures down to almost 1004mb. This is the time of year that we watch systems like these closely regardless of whether or not the models develop it.

Absolutely. I will definitely keep tabs on that one.
Member Since: 27.09.2007 Posts: 1 Comments: 14248
331. stormwatcherCI 14. lokakuuta 2011 klo 00:02 (GMT)    
Quoting Levi32:


It's elongated and large so I'd expect development to stay gradual. The current convective burst is making it look pretty impressive, but we will have to see if that dies off later. Diurnal maximum may aid it later in the night though. I would keep a close eye on it if I were in the NW Caribbean right now.
Levi, I am watching this but do you think there is a pretty good chance of it tracking over Cayman IF it develops ?
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332. Levi32 14. lokakuuta 2011 klo 00:02 (GMT)    
Member Since: 24.11.2005 Posts: 586 Comments: 25441
333. Levi32 14. lokakuuta 2011 klo 00:03 (GMT)    
Quoting stormwatcherCI:
Levi, I am watching this but do you think there is a pretty good chance of it tracking over Cayman IF it develops ?


Broad low means we don't really know where a tigher center will form, if one forms, but the mess should tend to stay focused west of the Caymans. That doesn't mean you won't get rain though.
Member Since: 24.11.2005 Posts: 586 Comments: 25441
334. AussieStorm 14. lokakuuta 2011 klo 00:04 (GMT)    
Hey all, Joe Bastardi will be on the Barometer Bob show in about 15mins. Will be talking about the Gale center from last weekend. will be interesting. Link
Member Since: 30.09.2007 Posts: 5 Comments: 13273
335. TropicalAnalystwx13 14. lokakuuta 2011 klo 00:04 (GMT)    
Quoting KoritheMan:


Well, this system is not going to spin up overnight.

It won't take forever either.

I mean, a 5 mbar. drop in 24 hours?
Member Since: 6.07.2010 Posts: 89 Comments: 25213
336. stormwatcherCI 14. lokakuuta 2011 klo 00:07 (GMT)    
Quoting Levi32:


Broad low means we don't really know where a tigher center will form, if one forms, but the mess should tend to stay focused west of the Caymans. That doesn't mean you won't get rain though.
Rain is good but don't want high winds. We do get some flooding in low lying areas but we don't have any rivers, lakes etc. No bridges or mountains so mostly flooding is not a real big issue.
Member Since: 9.10.2008 Posts: 0 Comments: 8038
337. trHUrrIXC5MMX 14. lokakuuta 2011 klo 00:07 (GMT)    
Quoting whepton3:


The answer is in the last sentence.

"This weather pattern in a common occurrence in the Western Caribbean Sea during October."

They're just like the models... withholding judgment it appears.


that doesn't answer my question. They're trying to say that the system is better organized and yet they keep the chances at 10%
Member Since: 23.04.2011 Posts: 32 Comments: 7878
338. KoritheMan 14. lokakuuta 2011 klo 00:07 (GMT)    
Quoting TropicalAnalystwx13:

It won't take forever either.

I mean, a 5 mbar. drop in 24 hours?


Well no, it's likely not going to take several days, but we aren't going to see a surface circulation form underneath the convective mass within the next 12 hours. This is not a Wilma type situation, since some of the circulation is overland.

In short, they could have increased the percentages some, but a big jump would be unreasonable.
Member Since: 7.03.2007 Posts: 408 Comments: 15418
339. whepton3 14. lokakuuta 2011 klo 00:08 (GMT)    
The NAM, while not the best tropical model, loves this thing:

Link
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340. KoritheMan 14. lokakuuta 2011 klo 00:09 (GMT)    
Quoting whepton3:
The NAM, while not the best tropical model, loves this thing:

Link


For what it's worth, it was the first to predict Lee's genesis.
Member Since: 7.03.2007 Posts: 408 Comments: 15418
341. WoodyFL 14. lokakuuta 2011 klo 00:11 (GMT)    
Quoting AnthonyJKenn:

It should be noted, though, that Wilma was a much, much stronger hurricane (882 mb when it slammed into Cozumel) which only weakened into a Cat 3-4 when it smashed through South FL and also traversed the Gulf Stream just after leaving FLA...so it may have had a better foundation than most storms to fight the shear with.

Hurricane Camille, it should be remembered, also re-strengthened to major hurricane status after it exited Virginia on August of 1969.

It isn't so much that strong hurricanes aren't immune to shear, but they have more in the way of resistance to fight against shear.

And even the strongest of hurricanes still can't go against deep level steering flow...otherwise, Wilma could have easily been a TX/LA/MS/AL event rather than a South FL event. Thank goodness for strong October trofs.


Anthony



What do you mean by "Thank Goodness" I happen to live in South Florida. :P
Member Since: 24.04.2011 Posts: 1 Comments: 442
342. whepton3 14. lokakuuta 2011 klo 00:11 (GMT)    
Quoting trHUrrIXC5MMX:


that doesn't answer my question. They're trying to say that the system is better organized and yet they keep the chances at 10%


I'm not sure they're really saying it's better organized.

Just that we've really got the t-storms popping and there's a lot of falling pressures around the W. Caribbean, but it's not really organized.

stay tuned, it could get interesting here pretty quick though.
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343. KoritheMan 14. lokakuuta 2011 klo 00:12 (GMT)    
Quoting WoodyFL:


What do you mean by "Thank Goodness" I happen to live in South Florida. :P


One man's meat is another man's poison.
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344. Levi32 14. lokakuuta 2011 klo 00:14 (GMT)    
Quoting KoritheMan:


For what it's worth, it was the first to predict Lee's genesis.


It has some excellent ideas at times...usually overdone ideas but still excellent in form.
Member Since: 24.11.2005 Posts: 586 Comments: 25441
345. wunderweatherman123 14. lokakuuta 2011 klo 00:14 (GMT)    
Quoting KoritheMan:


Well no, it's likely not going to take several days, but we aren't going to see a surface circulation form underneath the convective mass within the next 12 hours. This is not a Wilma type situation, since some of the circulation is overland.

In short, they could have increased the percentages some, but a big jump would be unreasonable.
just depends, if a lrge anitcyclone developed over it and it stalled over the 89 degree water it could rapidly intensify but conditions were different now and when wilma formed
Member Since: 23.08.2011 Posts: 0 Comments: 833
346. coffeecrusader 14. lokakuuta 2011 klo 00:14 (GMT)    
From the NOAA archives:Wilma had a complicated beginning. During the second week of October, an unusually large, monsoon-like lower-tropospheric circulation and a broad area of disturbed weather developed over much of the Caribbean Sea.

Sound familiar... hmmmm
Member Since: 21.08.2006 Posts: 0 Comments: 254
347. TropicalAnalystwx13 14. lokakuuta 2011 klo 00:15 (GMT)    
Quoting KoritheMan:


Well no, it's likely not going to take several days, but we aren't going to see a surface circulation form underneath the convective mass within the next 12 hours. This is not a Wilma type situation, since some of the circulation is overland.

In short, they could have increased the percentages some, but a big jump would be unreasonable.

I would've went with 30%.
Member Since: 6.07.2010 Posts: 89 Comments: 25213
348. MTWX 14. lokakuuta 2011 klo 00:16 (GMT)    
Quoting CybrTeddy:


Your acting like its going to approach the lower 30s by next week (as much as I would like that.) One cold front isn't going to dust off the Gulf. Heck, Ida became a hurricane in the Gulf, in November, in a El Nino year.

IDK, they are calling for lows in the mid 30's for us here in MS by Wed.
Member Since: 20.07.2009 Posts: 22 Comments: 1215
349. WoodyFL 14. lokakuuta 2011 klo 00:16 (GMT)    
Quoting KoritheMan:


One man's meat is another man's poison.


LOL.

It looks like we have something to watch. This could be an interesting week. Where is your blog on this one Kori?
Member Since: 24.04.2011 Posts: 1 Comments: 442
350. stormpetrol 14. lokakuuta 2011 klo 00:17 (GMT)    


Shear has fallen quite abit also.
Member Since: 29.04.2007 Posts: 0 Comments: 6394
351. stormpetrol 14. lokakuuta 2011 klo 00:18 (GMT)    


Quite a bite of west winds also!
Member Since: 29.04.2007 Posts: 0 Comments: 6394

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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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