Dr. Jeff Masters' WunderBlog

Tropical Depression Emily Reforms, Rain for the Bahamas
Posted by: Dr. Jeff Masters, 4:28 AM GMT on August 07, 2011 +17
As of 11PM EDT, Tropical Depression Emily was located at 27.4N, 78.2W, 70 miles NNE of Freeport, Grand Bahama Island. It was moving north at 8 mph with sustained winds of 35 mph and a minimum central pressure of 1011 mb. No watches or warnings are in effect for Emily at this time.


Figure 1 IR satellite view of Emily taken at 1200AM EDT, August 7, 2011

The remnants of Tropical Storm Emily were recognized as a tropical depression after analysis of surface observations, satellite imagery, and Hurricane Hunter flights showed that Emily had achieved a closed circulation again. However, at this time, it is not expected to do much beyond raining heavily (1-3 inches, 6 inches in isolated regions) over the Bahamas. As Figure 2 shows, NHC forecasts Emily to move north and then sharply eastwards before dissipating as it merges with a front. The westerly wind shear associated with this front will be the likely cause for Emily's second demise.


Figure 2 Official track forecast of Emily.

As Figure 3 shows, the concerns for rain from Emily is justified based on past behavior. Satellite estimates shows that on August 4, 3-5 inches of rain fell just south of Hispaniola, with 1-2 inches falling on the southern Dominican Republic.


Figure 3 Satellite-estimated precipitation (mm) for Thursday, August 4 using the CMORPH techniques. Data provided by the Climate Prediction Center

If the situation warrants, we will have a new blog entry Sunday. Otherwise, we will resume the normal posting schedule on Monday.

Thanks for reading,

Dr. Rob Carver
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751. blsealevel 10:32 PM GMT on August 07, 2011    
Quoting StormHype:


Why not? The Japanese are synthesizing meat from human feces. No joke. Once the Chinese get a hold of the recipe, beware of Walmart.


Noway; why? did their food supplies get that contaminated that they must go through such extreams.
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752. Tropicsweatherpr 10:32 PM GMT on August 07, 2011    
Here in Puerto Rico we can't forget Georges in 1998 that was the last hurricane to strike the island. The question is,when we will be hit again? This season,2012,13,14.15,23 etc etc.

The important thing to do is to prepare every season for anything that any given season will offer.

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753. Orcasystems 10:32 PM GMT on August 07, 2011    
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754. GeoffreyWPB 10:36 PM GMT on August 07, 2011    
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755. Grothar 10:36 PM GMT on August 07, 2011    
Early cycle models.

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756. farhaonhebrew 10:36 PM GMT on August 07, 2011    
Quoting Tropicsweatherpr:
Here in Puerto Rico we can't forget Georges in 1998 that was the last hurricane to strike the island. The question is,when we will be hit again? This season,2012,13,14.15,23 etc etc.

The important thing to do is to prepare every season for anything that any given season will offer.

wow!
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758. MississippiWx 10:42 PM GMT on August 07, 2011    
Quoting P451:


Georges got every single piece of land it possibly could through the islands, PR, Cuba... It's as if it just tried it's hardest to ruin everyone's day.

Amazing how strong it maintained itself throughout all that land interaction.


Yeah, it then came and ruined our day in MS.
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759. Patrap 10:43 PM GMT on August 07, 2011    
georges caused the first ever evac of NOLA.

When it parked over the Gulfport/Biloxi area East of here one could see the Whole Left side from N to S, on the Horizon and 30-60 degrees up easily from Apex to trailing away.

The cyclone from afar is awesome stuff as well.



Georges making landfall in Biloxi, Mississippi
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760. MississippiWx 10:44 PM GMT on August 07, 2011    
18z GFS has dropped the development of 92L and the wave behind it.
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761. Tropicsweatherpr 10:45 PM GMT on August 07, 2011    
Quoting P451:


Georges got every single piece of land it possibly could through the islands, PR, Cuba... It's as if it just tried it's hardest to ruin everyone's day.

Amazing how strong it maintained itself throughout all that land interaction.


Yes, that is amazing.The eye moved thru all the Cordillera Central mountains that are on average around 3000 feet tall.
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762. JLPR2 10:45 PM GMT on August 07, 2011    
Quoting MississippiWx:
18z GFS has dropped the development of 92L and the wave behind it.


I see it north of PR with a closed isobar, but 1012mb isn't exactly deep. XD

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763. brianc 10:45 PM GMT on August 07, 2011    
Quoting Patrap:
Department of Defense
Office of Civil Defense
Motion Picture Service

A Hurricane Called Betsy Sept 1965

AVA16542VNB1 - produced in 1966

Recounts Hurricane Betsy's 3,000-mile trip from the Caribbean through the Bahamas, Miami, the Florida Keys, and along the Gulf Coast to New Orleans and Baton Rouge.









Astonishing that they left our Project Stormfury's seeding of Betsey right before she looped sw towards Miami. At the time, the project of seeding the storm was very BIG news.
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764. Thrawst 10:46 PM GMT on August 07, 2011    
Quoting P451:


LOL. She's going to follow that steering current eastward, slip south through the gap, and have another go at the Caribbean!





I kid, of course, I hope lol...


I'd bet my deed to the house in which I live in for this to indeed happen. And I'll laugh in all of your faces after you all say "Emily's gone!" and "Hooray! No more headaches!" :D
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765. Thrawst 10:47 PM GMT on August 07, 2011    
Quoting JLPR2:


I see it north of PR with a closed isobar, but 1012mb isn't exactly deep. XD



And that thing to the northwest of the 1012 mb low, is Emily after traveling around the Bermuda high XD. haha :)
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766. Tropicsweatherpr 10:47 PM GMT on August 07, 2011    
Quoting MississippiWx:
18z GFS has dropped the development of 92L and the wave behind it.


Not even with an isobar?
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767. StAugustineFL 10:49 PM GMT on August 07, 2011    
As a HS JR at the time living in central MO, this was the first hurricane that caught my attention. Was a beast.

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768. TropicalAnalystwx13 10:50 PM GMT on August 07, 2011    
Been gone since Thursday afternoon when Emily dissipated the first time. Anybody want to fill me in with whats happened since then?

Thanks in advance.
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769. redwagon 10:52 PM GMT on August 07, 2011    
Quoting brianc:


Astonishing that they left our Project Stormfury's seeding of Betsey right before she looped sw towards Miami. At the time, the project of seeding the storm was very BIG news.

Even made it into an episode of Beverly Hillbillies: 'we're going drop silver iodide right into Daisy's eye!
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770. islander101010 10:52 PM GMT on August 07, 2011    
Quoting TropicalAnalystwx13:
Been gone since Thursday afternoon when Emily dissipated the first time. Anybody want to fill me in with whats happened since then?

Thanks in advance.
some flooding in haiti
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771. Tropicsweatherpr 10:52 PM GMT on August 07, 2011    
Quoting TropicalAnalystwx13:
Been gone since Thursday afternoon when Emily dissipated the first time. Anybody want to fill me in with whats happened since then?

Thanks in advance.


At 5 PM NHC wrote the last advisory on TD Emily. There is new invest 92L in Eastern Atlantic.
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772. JLPR2 10:52 PM GMT on August 07, 2011    
92L needs to move or the larger wave behind it will end up absorbing it.


Also it needs to pull on the ITCZ/Monsoon Trof and get a hold of its convection to fight off the SAL, almost looks disconnected from it.
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773. Grothar 10:57 PM GMT on August 07, 2011    
Quoting MississippiWx:
18z GFS has dropped the development of 92L and the wave behind it.


Most models do that in between getting new information.
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774. PRZEDCASTER 10:58 PM GMT on August 07, 2011    
Quoting MississippiWx:
18z GFS has dropped the development of 92L and the wave behind it.


HIP HIP HURRAY !!!!!!!!!!!!! Thank goodness for that !!!!!
775. MississippiWx 10:58 PM GMT on August 07, 2011    
If anyone is really bored and wants to humor themselves at the expense of this writer's total ignorance, click on the link below. It continues to baffle me how some people think Katrina was caused by humans and was "directed" at New Orleans. It was the government's attempt at destroying New Orleans, right? In fact, there had been no warning for decades that this sort of storm could happen? Jeeze. The thing is, New Orleans didn't even get the worst end of the deal. Mississippi did.

Link

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776. Patrap 10:58 PM GMT on August 07, 2011    
Lets put a troll or Gnome in Space here with a Gub'ment Grant.

We have some smart whipper snappers who couild do this easily I bet.


Maybe put a wu roving weather station up there.






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777. caneswatch 10:59 PM GMT on August 07, 2011    
Quoting TropicalAnalystwx13:
Been gone since Thursday afternoon when Emily dissipated the first time. Anybody want to fill me in with whats happened since then?

Thanks in advance.


Emily dissipated, and reformed, and dissipated again, but caused major flooding on Hispaniola. We now have Invest 92L out in the eastern Atlantic.
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778. barbamz 11:00 PM GMT on August 07, 2011    
Quoting TxHurricanedude11:
Hence she'll be back in 6 years lol sorry all.


For Emily, whenever I may find her
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779. MississippiWx 11:00 PM GMT on August 07, 2011    
Quoting Grothar:


Most models do that in between getting new information.


Yeah, but the 18z GFS has been pretty gung-ho on development with these waves.

One of them will have the potential in the coming week. We'll see.
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780. Patrap 11:01 PM GMT on August 07, 2011    
Been my sperience that "calamity knows no border's..only men's minds and maps do"..

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781. JLPR2 11:02 PM GMT on August 07, 2011    

The ITCZ is climbing northwards.
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782. RukusBoondocks 11:04 PM GMT on August 07, 2011    
92 has fizzled already......not much of a cape verde season this year. looks like it would have been a fish anyway
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783. MississippiWx 11:04 PM GMT on August 07, 2011    
Quoting JLPR2:

The ITCZ is climbing northwards.


It's very far north...even into the Caribbean.
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784. CybrTeddy 11:07 PM GMT on August 07, 2011    
IMO, as of right now everything points to increased activity, well above normal, tropical cyclone activity after August 10th or so.
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785. Patrap 11:09 PM GMT on August 07, 2011    
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786. charlottefl 11:10 PM GMT on August 07, 2011    
Quoting CybrTeddy:
IMO, as of right now everything points to increased activity, well above normal, tropical cyclone activity after August 10th or so.


Although there is a possibility that some unforeseen conditions could reduce hurricane activity during the peak of the season, I wouldn't place bets on it. And even in the scarcest of years it only takes 1 hurricane hitting land to make a mess of things.
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787. Stormchaser2007 11:12 PM GMT on August 07, 2011    
Not liking the development chances with 92L.

Practically no model support and a decent deal of SAL/Dry air ahead of it.

Atlantic is pretty quiet for now. Could stay that way for another week.
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788. JLPR2 11:12 PM GMT on August 07, 2011    
Quoting CybrTeddy:
IMO, as of right now everything points to increased activity, well above normal, tropical cyclone activity after August 10th or so.


Yeah, I mean the E storm last year passed tru my general area on August 31 and last year was pretty active and now we are waiting for the F storm.

That last part sounded wrong... XD
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789. Tropicsweatherpr 11:13 PM GMT on August 07, 2011    
Quoting Patrap:


Inpressive at that time Pat as almost a cat 5. But thankfully,it weakened as it moved thru the Leewards and PR didn't have to deal with a major.
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791. Tropicsweatherpr 11:15 PM GMT on August 07, 2011    
Quoting Stormchaser2007:
Not liking the development chances with 92L.

Practically no model support and a decent deal of SAL/Dry air ahead of it.

Atlantic is pretty quiet for now. Could stay that way for another week.


Not even the wave behind 92L?
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792. MississippiWx 11:15 PM GMT on August 07, 2011    
MJO Forecast is showing the possibility of a strong upward pulse in the coming weeks:

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793. E46Pilot 11:16 PM GMT on August 07, 2011    
We are getting some really good rain here in south FL. Not sure if it's related to the old girl, or just due to the standard instability in the afternoons.
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794. Stormchaser2007 11:18 PM GMT on August 07, 2011    
NHC has been doing a good job at following waves this year.

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795. Patrap 11:18 PM GMT on August 07, 2011    
Georges was one well organised Hurricane,impressive it was and deadly as well.

Impact by Area Country, State, Deaths, Damage


Antigua and Barbuda 3 $159.9 million
Guadeloupe 0 $22 million
St. Kitts and Nevis 5 $484 million
Dominican Republic 380 $1.2 billion
Haiti 209 $179 million
Bahamas 1 Unknown


Cuba 6 $305.8 million

United States Alabama 1 $201.4 million
Florida 0 $472.1 million
Georgia 0 $4.3 million
Louisiana 3 $30.1 million
Mississippi 0 $676.8 million
Puerto Rico 7 $1.8 billion
U.S. Virgin Islands 0 $2 million


Total 604 $5.9 billion
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796. MississippiWx 11:19 PM GMT on August 07, 2011    
18z GFS and 12z Euro are pretty much in agreement on no tropical cyclones for the next 10 days. A pretty strong downward phase of the MJO is forecast to come through, followed by a strong upward pulse. If that goes as forecast, then we could have a fairly quiet week and a half in the tropics.
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797. HCW 11:21 PM GMT on August 07, 2011    
latest 92L runs from the NHC

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798. stormwatcherCI 11:24 PM GMT on August 07, 2011    
I was wracking my brain trying to remember the first hurricane I experienced after moving to Miami. Finally remembered Hurricane Cleo 1964.



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799. StAugustineFL 11:25 PM GMT on August 07, 2011    
Quoting E46Pilot:
We are getting some really good rain here in south FL. Not sure if it's related to the old girl, or just due to the standard instability in the afternoons.


Ex Emily is 400+ miles to your northeast. Just typical t-storms
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801. ackee 11:27 PM GMT on August 07, 2011    
I think dust might be the x factor for this seasons that may put a damp on the amount of storms we see for now
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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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