Not a trace of Don; What's next?
Don is dead
Tropical Storm Don, the fourth named storm of the 2011 season, made landfall near Baffin Bay, Texas yesterday evening around 10pm CDT in less-than-grand fashion. The storm was looking very weak for the 24 hours before landfall, but fizzled rapidly after landfall, and by early Saturday morning, there was barely a trace of the storm to show that it even existed in the first place.
NHC Hurricane Specialist Eric Blake probably said it best in this mornings 5am EDT discussion on the storm:
THE DON IS DEAD. THE CYCLONE LITERALLY EVAPORATED OVER TEXAS ABOUT
AS FAST AS I HAVE EVER SEEN WITHOUT MOUNTAINS INVOLVED. DON HAS NO
CONVECTION...MEAGER RAINFALL...AND ONLY A SLIGHT SIGNATURE IN
SURFACE OBSERVATIONS AND RADAR DATA. THEREFORE...THIS IS THE LAST
ADVISORY ON THIS SYSTEM.
Figure 1. Total precipitation accumulation for the storm, estimated by radar.
The heaviest rainfall was falling south of the storm's center yesterday, so it wasn't surprising that Brownsville saw the most rain, 0.63 inches. KBRO also recorded 18 mph wind gusts. But to the north of the center, where many of the media were located, not a drop of rain fell. Corpus Christi saw zero inches of rain, but did record gale-force wind gusts (39 mph). Harlingen, near Baffin Bay, and close to where the center made landfall, saw 0.20 inches of rain and 18 mph wind gusts. This storm did very, very little to relieve any drought conditions in Southern Texas. And so it continues.
What's next: Invest 91L continues to impress
Invest 91L, which is located near 12°N 48°W in the central Atlantic, continues to impress today, and has shown signs of more organization over the past 24 hours. 91L will probably develop into a tropical cyclone before it reaches the Lesser Antilles, so residents of these islands should remain watchful and prepared. Satellite loops show not only organized thunderstorm activity, but also the makings of a surface circulation. Something this wave has working against it right now is dry air—there's a large mass of Saharan air on the north and east sides of the system, which could at least prevent significant intensification. Also, University of Wisconsin CIMSS analysis shows some strong wind shear (30-40 knots) to the north of the wave. However, I don't expect this to prevent development of the wave. Wind shear out ahead of the system is relatively low (5-15 knots). Moisture is plenty high within the system, and sea surface temperatures are warm and toasty (28°C+) and will only get warmer as 91L moves west into the Caribbean.
Figure 2. Infrared satellite of invest 91L taken at 1:15pm EDT today.
Forecast for 91L
Most of the reliable forecast models (GFS, CMC, FIM, and the ECMWF) have come to agree that 91L will develop, however, they differ on how long-lived that will be. Some of the models are suggesting it will be a short-lived tropical cyclone, not making it out of the Caribbean alive, and some suggest that it will hold together and intensify as it moves north of the Caribbean islands. The forecast track for the system will most likely be to the northwest through the Caribbean, at which point it will take a northeast turn near the Bahamas, never reaching the U.S. coast. HWRF agrees with this track (and also brings the system to category 2 strength by August 3rd). However, there is still some uncertainty that the system could track west, south of the Caribbean islands, and potentially into the Gulf of Mexico. However, none of the models that suggest this solution actually show that the wave will be a tropical cyclone at that point.
The National Hurricane Center is giving this wave an 80% chance of developing into at least Tropical Depression Five over the next 48 hours. Chances are we will see Emily out of this system. A Hurricane Hunter mission is scheduled for tomorrow at 2pm EDT, but I wouldn't be totally surprised to see them call this system this evening, given the threat to the Lesser Antilles.
Watching a northwest Caribbean disturbance
A broad area of disturbed weather is producing some heavy thunderstorms in the northwest Caribbean, southeast of the Yucatan Peninsula. Little to no low-level circulation exists with this feature, and none of the models are picking up on it. The Hurricane Center has "blobbed" this item (as I like to say) with a "near 0%" chance of developing over the next 48 hours. This disturbance could cause major flooding in the region given the amount of thunderstorm activity, and predictability for systems like this (potential Bay of Cempeche tropical cyclones) is very low. Models have a short lead time on development, and they spin up very fast once they enter the Bay of Campeche given the favorable topography of the land surrounding it. The difference between this system, though, and one like Arlene, is that there is very, very little low level circulation already present. Pre-Arlene was a bit more organized before it crossed the Yucatan, and so it's hard to imagine that this disturbance will be able to hold together, should it get that far.
If 91L develops, I'll be back tomorrow with a post.
Angela
Reader Comments
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LOL
you've got WUmail...
Hehe, I didn't even bother to count, because I won't bother to reply to the useless RIP comments. We all know it is just in a re-organization phase anyways.
Date: Near the closest hour of 23Z on the 31st day of the month
Highest Mandatory Level For Which Wind Was Reported: 200mb
Coordinates: 10.9N 54.6W
Location: 371 miles (598 km) to the ESE (114°) from Bridgetown, Barbados.
Marsden Square: 042 (About)
Level Geo. Height Air Temp. Dew Point Wind Direction Wind Speed
1011mb (29.85 inHg) Sea Level (Surface) 28.6°C (83.5°F) 24.2°C (75.6°F) 205° (from the SSW) 10 knots (12 mph)
1000mb 98m (322 ft) 27.6°C (81.7°F) 23.7°C (74.7°F) 175° (from the S) 7 knots (8 mph)
925mb 785m (2,575 ft) 21.8°C (71.2°F) 20.2°C (68.4°F) 220° (from the SW) 8 knots (9 mph)
850mb 1,517m (4,977 ft) 18.6°C (65.5°F) 13.8°C (56.8°F) 215° (from the SW) 10 knots (12 mph)
700mb 3,159m (10,364 ft) 9.0°C (48.2°F) 6.2°C (43.2°F) 200° (from the SSW) 6 knots (7 mph)
500mb 5,880m (19,291 ft) -5.7°C (21.7°F) -8.5°C (16.7°F) 120° (from the ESE) 11 knots (13 mph)
400mb 7,600m (24,934 ft) -15.3°C (4.5°F) Approximately -34°C (-29°F) 85° (from the E) 9 knots (10 mph)
300mb 9,710m (31,857 ft) -29.9°C (-21.8°F) Approximately -39°C (-38°F) 100° (from the E) 25 knots (29 mph)
250mb 10,980m (36,024 ft) -40.7°C (-41.3°F) Approximately -48°C (-54°F) 85° (from the E) 25 knots (29 mph)
200mb 12,460m (40,879 ft) -53.9°C (-65.0°F) Approximately -65°C (-85°F) 85° (from the E) 28 knots (32 mph)
150mb 14,250m (46,752 ft) -66.7°C (-88.1°F) Reading usually unavailable when air temperature is below -40°C (-40°F) No Wind Report Available For This Level
Starting to get interesting with "Gonzo"
SISTEMA COMPLEJO
XL/XX/INV91
MARK centro de la imagen
15.00N/55.00W
I'll come back later lol
You know it is getting busy in here when the mail starts going out :-)
you've got mail
It wasn't confusion - it was uncertainty. That's allowed in Science.
would you like one too? LOL
I have had my fair share this week, I'll pass thx. :P
I was thinking the same thing, it appears that the east is the more dominant "Blob". It is IMO the only clear circulation now. I think at latest it will be a TD by 5AM .
Yep, especially the naughty words. ;-)
I prefer to call it, over reaction.....
We should be watching the situation here in PR. The front wave can bring lot of rain, but is not the most active part. If Emily emerges, that will be from the second wave part, and we can be surprised after receiving torrential amounts of water from the 1rst. round.
COMPLEX SYSTEM
XL/XX/INV91
MARK CENTER OF IMAGE
15.00N/55.00W
I was thinking as a moisture shield for the future Em..
Highest Mandatory Level For Which Wind Was Reported: 200mb
Coordinates: 11.5N 55.8W
Location: 280 miles (451 km) to the ESE (113°) from Bridgetown, Barbados.
Marsden Square: 042 (About)
Level Geo. Height Air Temp. Dew Point Wind Direction Wind Speed
1011mb (29.85 inHg) Sea Level (Surface) 28.6°C (83.5°F) Approximately 24°C (75°F) 220° (from the SW) 9 knots (10 mph)
1000mb 98m (322 ft) 27.6°C (81.7°F) 22.7°C (72.9°F) 220° (from the SW) 9 knots (10 mph)
925mb 785m (2,575 ft) 21.8°C (71.2°F) 18.3°C (64.9°F) 240° (from the WSW) 12 knots (14 mph)
850mb 1,517m (4,977 ft) 18.8°C (65.8°F) Approximately 10°C (50°F) 240° (from the WSW) 10 knots (12 mph)
700mb 3,157m (10,358 ft) 8.8°C (47.8°F) 6.7°C (44.1°F) 225° (from the SW) 8 knots (9 mph)
500mb 5,870m (19,259 ft) -5.9°C (21.4°F) Approximately -15°C (5°F) 95° (from the E) 12 knots (14 mph)
400mb 7,590m (24,902 ft) -15.5°C (4.1°F) Approximately -28°C (-18°F) 85° (from the E) 11 knots (13 mph)
300mb 9,700m (31,824 ft) -30.9°C (-23.6°F) Approximately -36°C (-33°F) 105° (from the ESE) 14 knots (16 mph)
250mb 10,970m (35,991 ft) -40.5°C (-40.9°F) Approximately -54°C (-65°F) 95° (from the E) 27 knots (31 mph)
200mb 12,450m (40,846 ft) -53.7°C (-64.7°F) Approximately -65°C (-85°F) 90° (from the E) 22 knots (25 mph)
150mb 14,240m (46,719 ft) -67.7°C (-89.9°F) Reading usually unavailable when air temperature is below -40°C (-40°F) No Wind Report Available For This
That really only applies to hurricanes, since they are so much stronger.
kinda late there ? :)
because of immaturity or because the lack of english or both?
http://hisz.rsoe.hu/alertmap/index2.php#
Link
SJ shut the site down as it was cost prohibitive.
Send him a wu-mail or I will tell Him you were looking for it/Him.
Patrick
"Failing" how? If anything, knowing multiple language is a GOOD thing.
Esa es mi opinión.
I think this blog language is not conditioned only English, but I also believe that the ideal is to comment only in English, why?? Because most of those who write in Spanish also writes in English, know both languages, but many who comment in English do not know Spanish, in other words there must be a universal language for this blog and I think this should be the English .
That's my opinion.
Saludos a todos.
Greetings to all.
Atlantic looks like things are starting to brew!
Let me have a shower first. :P
Later guys.
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