Dr. Jeff Masters' WunderBlog

Gulf of Mexico low growing more organized
Posted by: Dr. Jeff Masters, 13:51 GMT le 21 mai 2009 +3
The large extratropical storm that has been drenching Florida over the past few days continues to pour rain on the state as it treks slowly west-northwestward over the Gulf of Mexico. Rainfall amounts as high as 23.75 inches have been measured in Northern Florida at the Flagler County Fairgrounds over the past four days, and Daytona Beach has seen over 14 inches, forcing closure of numerous roads. Another 1 - 3 inches are expected in Northeast Florida today from the storm, along with beach erosion, 7 - 10 foot waves, and tides 2 - 3 feet above normal. The bad weather in Northeast Florida should gradually subside Friday and the rains should diminish substantially on Saturday, when the center of the storm is expected to move ashore over Louisiana.


Figure 1. Storm total rainfall estimated from the Melbourne radar.

Latest visible satellite loops show that the circulation of the low has grown more circular and better defined, and heavy thunderstorm activity is starting to build off the Gulf Coast of Florida on the low's east side. These thunderstorms are beginning to form spiral bands characteristic of a developing tropical depression. Water vapor satellite imagery shows that the low is moving into an area of dry continental air, though, and this dry air will slow development. Wind shear is about 20 knots, which is low enough to allow development. While none of the computer models develop the storm, they generally predict the storm should move northwestwards towards Louisiana over the next two days, and the shear is lower to the north. The low is currently over Sea Surface Temperatures (SSTs) of about 27°C in the Loop Current, which is about 1°C (1.8°F) warmer than average. SSTs of at least 26°C are typically needed to support a tropical storm, so I expect the low will continue to develop through Friday. By Friday night, the low will be approaching the Louisiana coast, and SSTs will cool to 26°C. Still, with wind shear expected to drop, this low has a medium (30 - 50%) chance of developing into a subtropical or tropical depression before its expected landfall Saturday over Louisiana. Since there will be strong winds from the west creating wind shear over the storm, plus dry air to the storm's west, most of the heavy rain should be confined to the east of the storm's center, along a stretch of coast from New Orleans to Pensacola. Rainfall totals of 3 - 6 inches can be expected.


Figure 2. Latest satellite image of the Gulf of Mexico storm.

I'll have an update Friday morning, or sooner if NHC declares this storm an area of interest (an "Invest").

Jeff Masters
Majestic (earthlydragonfly)
Taken last night with a 16mm lense. Enjoy Mark www.shockpic.smugmug.com
Majestic
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751. Chicklit 03:09 GMT le 22 mai 2009    
Quoting SRQfl:

LMAO


CooCoo for coco puffs?

LOL
Member Since: 11 juillet 2006 Posts: 14 Comments: 10253
752. HurrMichaelOrl 03:17 GMT le 22 mai 2009    
I've seen enough of the big yellow thing over the last few months here central Florida to last a lifetime. Anymore rain on the way tonight, or over the next few days?
Member Since: 13 juillet 2007 Posts: 0 Comments: 587
753. JRRP 03:17 GMT le 22 mai 2009    
Quoting canehunter09:
i have been watching it for the past 24 hours when everyone else is watching the GOM and it has been pretty consistent, i think the caribbean complex is more of a threat them the ULL in the GOM..but thats just me lol

me too... but i don`t give a chance to develop
Member Since: 16 août 2007 Posts: 0 Comments: 4305
754. Orcasystems 03:21 GMT le 22 mai 2009    
Quoting Levi32:
-----------------------------------------------
Guys take a look at this map very very closely. Paste image url into your browser if you want to see it full-size:


A suggestion for when you post an image. after you have inserted the image... highlight the Code it posted in the message..and link it again to the same image. Then if anyone clicks on it.. it expands automatically in another window.

Example



You can also do the same thing to link it to your blog or anything else.

Example 2



Member Since: 1 octobre 2007 Posts: 77 Comments: 26077
755. SevereHurricane 03:23 GMT le 22 mai 2009    
Quoting KoritheMan:


Is God going to spare America, yet toy around with other parts of the world?


I don't think God gives a rats butt about America...

I'll let George Carlin say the rest...
Link
Member Since: 7 septembre 2008 Posts: 17 Comments: 1604
756. Orcasystems 03:25 GMT le 22 mai 2009    
Quoting SevereHurricane:


I don't think God gives a rats butt about America...

I'll let George Carlin say the rest...
Link


ROFLMAO... I love that video :)
Member Since: 1 octobre 2007 Posts: 77 Comments: 26077
757. SevereHurricane 03:29 GMT le 22 mai 2009    
Quoting Orcasystems:


ROFLMAO... I love that video :)


LOL,
George Carlin was the best...

Member Since: 7 septembre 2008 Posts: 17 Comments: 1604
758. hahaguy 03:29 GMT le 22 mai 2009    
Quoting SevereHurricane:


I don't think God gives a rats butt about America...

I'll let George Carlin say the rest...
Link


Lmao , never get tired of that video.
Member Since: 12 août 2007 Posts: 2 Comments: 2838
759. moonlightcowboy 03:32 GMT le 22 mai 2009    
Ok, gang! Do we have a NOLA CAT 5 in the GOM yet? ;)
Member Since: 9 juillet 2006 Posts: 179 Comments: 28118
760. CatastrophicDL 03:32 GMT le 22 mai 2009    
Popping in to check on things tonight. How's it going gang?
Member Since: 3 septembre 2007 Posts: 3 Comments: 1519
761. hahaguy 03:35 GMT le 22 mai 2009    
Good DL, you?
Member Since: 12 août 2007 Posts: 2 Comments: 2838
762. CatastrophicDL 03:39 GMT le 22 mai 2009    
Doing as good as can be expected. I can sympathize with Florida. We had our own flooding event here. My 4 year old flooded the basement. (can you say super fun?) Met with the contractor tonight to see how much damage he did to my wallet.
Member Since: 3 septembre 2007 Posts: 3 Comments: 1519
763. hahaguy 03:44 GMT le 22 mai 2009    
Your looking at a couple grand there. wish you luck on that.
Member Since: 12 août 2007 Posts: 2 Comments: 2838
764. KEEPEROFTHEGATE (Mod) 03:46 GMT le 22 mai 2009    
Quoting moonlightcowboy:
Ok, gang! Do we have a NOLA CAT 5 in the GOM yet? ;)
hang on i'll go check the flush model be right back
Member Since: 15 juillet 2006 Posts: 143 Comments: 40478
765. weatherman874 03:47 GMT le 22 mai 2009    
how much rain do yall think i will receive in New Orleans?
Member Since: 25 mai 2008 Posts: 0 Comments: 250
766. CatastrophicDL 03:50 GMT le 22 mai 2009    
4 rooms of carpet, plus repair of one whole wall, my deck settled, split and ripped off the back of my house which buckled and shattered my back door. The total will be double that. At least it didn't ruin the equipment in our theater room.
Member Since: 3 septembre 2007 Posts: 3 Comments: 1519
767. hahaguy 03:56 GMT le 22 mai 2009    
Quoting CatastrophicDL:
4 rooms of carpet, plus repair of one whole wall, my deck settled, split and ripped off the back of my house which buckled and shattered my back door. The total will be double that. At least it didn't ruin the equipment in our theater room.


Ouch , that is a lot. But at least your entertainment room is fine.
Member Since: 12 août 2007 Posts: 2 Comments: 2838
768. CatastrophicDL 04:01 GMT le 22 mai 2009    
Anyhooo, I'm destressing by watching the blog and checking the models. The vortex team hasn't seen any tornados but they had sausage and eggs for breakfast :o)
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769. Tazmanian 04:02 GMT le 22 mai 2009    
....
Member Since: 21 mai 2006 Posts: 5088 Comments: 111341
770. TampaSpin 04:05 GMT le 22 mai 2009    
Quoting CatastrophicDL:
4 rooms of carpet, plus repair of one whole wall, my deck settled, split and ripped off the back of my house which buckled and shattered my back door. The total will be double that. At least it didn't ruin the equipment in our theater room.


Come on now! He too was just doing some remodeling......Nothing like an indoor swimming pool....Heck you had one and didn't realize it......LOL
Member Since: 2 septembre 2007 Posts: 175 Comments: 19747
771. RENONV 04:08 GMT le 22 mai 2009    
Quoting CatastrophicDL:
4 rooms of carpet, plus repair of one whole wall, my deck settled, split and ripped off the back of my house which buckled and shattered my back door. The total will be double that. At least it didn't ruin the equipment in our theater room.


I'm an insurance adjuster and I strongley recommend you to contact your insuarance carrier and file a claim. It sound like a considerable amount of water damage and possible structrual damage.
Member Since: 29 juillet 2008 Posts: 0 Comments: 17
772. moonlightcowboy 04:10 GMT le 22 mai 2009    
Quoting CatastrophicDL:
4 rooms of carpet, plus repair of one whole wall, my deck settled, split and ripped off the back of my house which buckled and shattered my back door. The total will be double that. At least it didn't ruin the equipment in our theater room.

Yikes! Shoulda bought that youngin' a kiddie pool from Wal-Marts - 19.95! ;) Or run him 'round the yard with garden hose turned on! Good luck with the repairs - at least twasn't playin' with matches! So, smile! :)
Member Since: 9 juillet 2006 Posts: 179 Comments: 28118
773. canehunter09 04:11 GMT le 22 mai 2009    
you think its trying to build thunder storms around the center?
Member Since: 19 mai 2009 Posts: 0 Comments: 34
774. canehunter09 04:12 GMT le 22 mai 2009    
Link
lol heres the link idk how you put in directly into the blog lol
Member Since: 19 mai 2009 Posts: 0 Comments: 34
775. CatastrophicDL 04:14 GMT le 22 mai 2009    
TS, my youngest is just super busy. I think his tab is in the neighborhood of $8,000 and he's only 4!

RENONV, we did file a claim, but it won't cover any of the deck or door damage.
Member Since: 3 septembre 2007 Posts: 3 Comments: 1519
776. CatastrophicDL 04:16 GMT le 22 mai 2009    
MLC, the damage was because he was running around with the hose. The hose was set by my A/C units and a window well and then got left on for 14 hours. This is what happens when I let my husband watch the kids :o)
Member Since: 3 septembre 2007 Posts: 3 Comments: 1519
777. CatastrophicDL 04:24 GMT le 22 mai 2009    
What do you guys think of the NOAA hurricane forecast released today?
Member Since: 3 septembre 2007 Posts: 3 Comments: 1519
778. moonlightcowboy 04:29 GMT le 22 mai 2009    
Quoting CatastrophicDL:
MLC, the damage was because he was running around with the hose. The hose was set by my A/C units and a window well and then got left on for 14 hours. This is what happens when I let my husband watch the kids :o)

Aaah, heck, just shoot that husband of yours! ;)
Member Since: 9 juillet 2006 Posts: 179 Comments: 28118
779. canehunter09 04:30 GMT le 22 mai 2009    
lol how do you insert a radar loop into the blog?
Member Since: 19 mai 2009 Posts: 0 Comments: 34
780. GBlet 04:33 GMT le 22 mai 2009    
I love all 6 of my kids but, I am so glad that the little germbags are now grown and breaking their own stuff. I don't miss baby bunnies in the linen closet, flooded laundry rooms or the mountain of dirty clothes.
Member Since: 13 septembre 2007 Posts: 0 Comments: 435
781. 69Viking 04:35 GMT le 22 mai 2009    
Ok, no review of posts, where the you know what is this low? Trace of rain on the Emerald Coast, Fizzle, Fizzle, Fizzle! Somebody fill me in with the short version, I have Golf to play tomorrow!
Member Since: 25 août 2006 Posts: 0 Comments: 2247
782. gordydunnot 04:36 GMT le 22 mai 2009    
Catastrophic after reading this I dont want to know how you got your name, but I wish you the best of luck. Dont take your insurance agent for his word unless he is your husband.
Member Since: 18 août 2008 Posts: 0 Comments: 3044
783. CatastrophicDL 04:39 GMT le 22 mai 2009    
GBlet, I have 7. Tell me about the laundry. If I don't do 4 loads a day I'd never get caught up.

Thus far I haven't be surprised by anything the GOM low is doing. Does it have any tricks up its swirl?
Member Since: 3 septembre 2007 Posts: 3 Comments: 1519
784. HurricaneKing 04:52 GMT le 22 mai 2009    
Has anyone noticed that the GFS takes the gulf low inland as far as the arkansas area before it moves it back east (Slowly) to off the south carolina coast?
Member Since: 6 juillet 2005 Posts: 71 Comments: 2430
785. 69Viking 04:58 GMT le 22 mai 2009    
Quoting CatastrophicDL:
GBlet, I have 7. Tell me about the laundry. If I don't do 4 loads a day I'd never get caught up.

Thus far I haven't be surprised by anything the GOM low is doing. Does it have any tricks up its swirl?


7? Damn, I thought Mom did good raising the 4 of us! U R 1 Hell of a Woman and don't let any body (man) tell you different!
Member Since: 25 août 2006 Posts: 0 Comments: 2247
786. CatastrophicDL 04:58 GMT le 22 mai 2009    
HurricaneKing, I did notice that. If it can retain some moisture, lots of areas will should get rain.

We'll I'm off. It has been a long day. Take care everyone! See you tomorrow :o)
Member Since: 3 septembre 2007 Posts: 3 Comments: 1519
787. 69Viking 04:59 GMT le 22 mai 2009    
Quoting HurricaneKing:
Has anyone noticed that the GFS takes the gulf low inland as far as the arkansas area before it moves it back east (Slowly) to off the south carolina coast?


Who cares as long as it leaves Florida!!!
Member Since: 25 août 2006 Posts: 0 Comments: 2247
788. HurricaneKing 04:59 GMT le 22 mai 2009    
Quoting CatastrophicDL:
HurricaneKing, I did notice that. If it can retain some moisture, lots of areas will should get rain.

We'll I'm off. It has been a long day. Take care everyone! See you tomorrow :o)


We need rain in eastern NC. We've had rain lately but it came hard and fast and now everything is dry again. We need a couple days of steady rain.
Member Since: 6 juillet 2005 Posts: 71 Comments: 2430
789. HurricaneKing 05:00 GMT le 22 mai 2009    
Quoting 69Viking:


Who cares as long as it leaves Florida!!!


Well it might bring more rain to Florida on it's trip back across the southeast.
Member Since: 6 juillet 2005 Posts: 71 Comments: 2430
790. 69Viking 05:00 GMT le 22 mai 2009    
Adios CatastrophicDL, see u in the morning!
Member Since: 25 août 2006 Posts: 0 Comments: 2247
791. 69Viking 05:02 GMT le 22 mai 2009    
Quoting HurricaneKing:


Well it might bring more rain to Florida on it's trip back across the southeast.


Then I'm shooting the ........
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792. 69Viking 05:05 GMT le 22 mai 2009    
Ok, 3 refreshes, you girls type slow!
Member Since: 25 août 2006 Posts: 0 Comments: 2247
793. HurricaneKing 05:06 GMT le 22 mai 2009    
Quoting 69Viking:
Ok, 3 refreshes, you girls type slow!


Girls? UMMMM I'm a KING not QUEEN.
Member Since: 6 juillet 2005 Posts: 71 Comments: 2430
794. 69Viking 05:10 GMT le 22 mai 2009    
Quoting HurricaneKing:


Girls? UMMMM I'm a KING not QUEEN.


I guess that explains why you type sooooo slow!
Member Since: 25 août 2006 Posts: 0 Comments: 2247
795. 69Viking 05:13 GMT le 22 mai 2009    
Goodnight all, maybe by then it will be raining in the Panhandle but I'm not holding my breath!
Member Since: 25 août 2006 Posts: 0 Comments: 2247
796. FloridaTigers 05:16 GMT le 22 mai 2009    
So, which shutters work best in the storm? Heres a cool vid

http://www.youtube.com/watch?v=jVONpzW4guI
Member Since: 17 mai 2009 Posts: 0 Comments: 559
797. HurricaneKing 05:17 GMT le 22 mai 2009    
Quoting 69Viking:


I guess that explains why you type sooooo slow!


Haha Funny. (Sarcasam). I was actually computer model surfing.
Member Since: 6 juillet 2005 Posts: 71 Comments: 2430
798. GBguy88 05:27 GMT le 22 mai 2009    
First squalls moving into NW Florida now...well, if you can call them 'squalls'.
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799. SevereHurricane 05:35 GMT le 22 mai 2009    
Quoting HurricaneKing:


Girls? UMMMM I'm a KING not QUEEN.


Wait...
I didn't know Big Foot was a king?
Member Since: 7 septembre 2008 Posts: 17 Comments: 1604
800. charlottefl 05:37 GMT le 22 mai 2009    
I saw roll down shutters during Charley that where something had hit and punctured the shutter all the way into the house. Crazy stuff.
Member Since: 18 décembre 2006 Posts: 7 Comments: 2672
801. HurricaneKing 05:37 GMT le 22 mai 2009    
Quoting SevereHurricane:


Wait...
I didn't know Big Foot was a king?


Yep he rules all the animals and when the humans kill themselves off will become the ruler of the world.

Wow It's late and I'm talking crazy.

Ummmm Gotta talk weather so I don't get banned.
The little gulf low will probably be around for another week at least.

Goodnight all.
Member Since: 6 juillet 2005 Posts: 71 Comments: 2430

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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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