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Hurricane Season - 2011


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The latest forecast on Emily. It remains a bit unorganized and they're still not sure on the path, but it appears to be a "bit" further to the east as it approaches Florida. The Bahamas at the moment are the target that its going to approach early Friday night. The barrier islands in North Carolina could be on the edge of Emily when it hits hurricane strength.

500 AM EDT THU AUG 04 2011

DATA FROM THE NOAA G-IV JET AND AN AIR FORCE RESERVE HURRICANE
HUNTER AIRCRAFT SHOW THAT EMILY IS NOT WELL ORGANIZED. THE
CIRCULATION CONTINUES TO BE ELONGATED FROM NORTHEAST TO
SOUTHWEST...AND IT IS VERY WEAK ABOVE 700 MB. THE JET DATA
INDICATED 300 MB WINDS BLOWING INTO THE SYSTEM DUE TO AN
UPPER-LEVEL LOW OVER EASTERN CUBA...AND THIS IS CONTRIBUTING TO
ABOUT 15 KT OF WESTERLY VERTICAL WIND SHEAR. ALTHOUGH THE STORM IS
PRODUCING VERY STRONG BURSTS OF CONVECTION...THE AIR FORCE DATA
SUGGEST THAT THE MAXIMUM WINDS ARE STILL AROUND 45 KT. IT SHOULD
BE NOTED THAT THE AIR FORCE AIRCRAFT HAD TO ABORT ITS MISSION DUE
TO AVIONICS PROBLEMS.

THE CENTER APPEARS TO BE ON THE MOVE AGAIN...WITH THE INITIAL MOTION
A RATHER UNCERTAIN 285/6. THE DYNAMICAL MODELS CONTINUE TO FORECAST
THAT EMILY SHOULD TURN NORTHWESTWARD WITH AN INCREASE IN FORWARD
SPEED DURING THE NEXT 12-24 HR DUE TO A DEVELOPING WEAKNESS IN THE
SUBTROPICAL RIDGE NEAR AND EAST OF THE FLORIDA PENINSULA. THE
GUIDANCE CONTINUES TO HAVE PROBLEMS WITH RUN-TO-RUN
CONSISTENCY...AS THE 00Z RUNS HAVE ALL SHIFTED TO THE EAST OF THE
PREVIOUS FORECASTS. THE NEW FORECAST TRACK WILL NOT SHIFT EASTWARD
DUE TO THE LACK OF CONSISTENCY AND SINCE THE FORECAST NORTHWESTWARD
TURN HAS NOT YET MATERIALIZED. THE NEW FORECAST TRACK IS SIMILAR TO
BUT SLOWER THAN THE PREVIOUS TRACK...AND LIES TO THE LEFT OF THE
CENTER OF THE TRACK GUIDANCE ENVELOPE FROM 12-48 HR. AFTER 72
HR...ALL OF THE GUIDANCE FORECASTS EMILY TO RECURVE NORTHEASTWARD
INTO THE WESTERLIES...AND THIS PART OF THE FORECAST TRACK IS IN THE
MIDDLE OF THE GUIDANCE ENVELOPE.

THE DYNAMICAL MODELS FORECAST THAT THE UPPER-LEVEL LOW OVER CUBA
WILL EVOLVE INTO A CYCLONIC SHEAR AXIS TO THE NORTH OF EMILY. THE
STORM IS FORECAST TO INTERACT WITH THIS FEATURE FOR THE NEXT 36-48
HR...AND THIS IS LIKELY TO MAINTAIN MODERATE SHEAR OVER EMILY. IN
ADDITION...WATER VAPOR IMAGERY SHOWS DRY AIR JUST NORTHWEST OF THE
STORM...AND LAND INTERACTION WITH HISPANIOLA AND CUBA IS YET
ANOTHER NEGATIVE FACTOR. DESPITE THESE NEGATIVES...THE SHIPS...
LGEM...GFDL...AND HWRF MODELS ALL FORECAST STRENGTHENING. THE NEW
INTENSITY FORECAST CALLS FOR WEAKENING DURING THE FIRST 24 HR DUE
TO SHEAR AND LAND INTERACTION...AND THEN CALLS FOR GRADUAL
STRENGTHENING THROUGH 96 HR SIMILAR TO THE LGEM MODEL.

THE CURRENT FORECAST TRACK AND WIND RADII DO NOT REQUIRE A WATCH FOR
SOUTHERN FLORIDA AT THIS TIME. IF EMILY DOES NOT BEGIN ITS
NORTHWESTWARD TURN SOON...A WATCH COULD BE REQUIRED FOR PARTS OF
SOUTHERN FLORIDA LATER TODAY.

FORECAST POSITIONS AND MAX WINDS

INIT 04/0900Z 17.3N 71.7W 45 KT 50 MPH
12H 04/1800Z 17.9N 72.7W 45 KT 50 MPH
24H 05/0600Z 20.0N 74.5W 40 KT 45 MPH
36H 05/1800Z 22.5N 76.2W 45 KT 50 MPH
48H 06/0600Z 24.7N 77.6W 50 KT 60 MPH
72H 07/0600Z 28.5N 78.5W 60 KT 70 MPH
96H 08/0600Z 32.5N 74.5W 65 KT 75 MPH
120H 09/0600Z 36.0N 65.0W 60 KT 70 MPH

$$
FORECASTER BEVEN



			
		
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Emily may be no more, or it might become a storm again as it get closer to the Bahamas.

REMNANTS OF EMILY DISCUSSION NUMBER  13
NWS NATIONAL HURRICANE CENTER MIAMI FL AL052011
500 PM EDT THU AUG 04 2011

SINCE ITS INCEPTION...EMILY NEVER HAD A PARTICULARLY ROBUST
LOW-LEVEL CIRCULATION...AND THE HIGH TERRAIN OF HISPANIOLA
CONTRIBUTED SIGNIFICANTLY TO THE FURTHER DEGENERATION OF THE
CYCLONE TODAY. SATELLITE...RECONNAISSANCE AIRCRAFT AND SURFACE
OBSERVATIONS INDICATE THAT EMILY NO LONGER HAS A CLOSED
CIRCULATION....AND THE SYSTEM HAS BEEN DOWNGRADED TO A TROUGH OF
LOW PRESSURE WITH ITS AXIS ALONG 75W. THIS WAS A BIG WIN FOR THE
ECMWF GLOBAL MODEL...WHICH NEVER DEVELOPED EMILY AND ALWAYS
FORECAST DISSIPATION NEAR HISPANIOLA.

THERE IS STILL A LARGE AREA OF ORGANIZED DISTURBED WEATHER OVER
HISPANIOLA ASSOCIATED WITH THE REMNANTS OF EMILY. THIS ACTIVITY IS
EXPECTED TO SPREAD TOWARD THE WEST-NORTHWEST AND NORTHWEST OVER
EASTERN CUBA AND THE SOUTHEASTERN BAHAMAS WITH SOME POTENTIAL
FOR REGENERATION IN THE NEXT DAY OR TWO
.

EVEN THOUGH EMILY HAS DISSIPATED...HEAVY RAINS REMAIN A THREAT FOR
THE DOMINICAN REPUBLIC AND HAITI.

FORECAST POSITIONS AND MAX WINDS

INIT 04/2100Z 19.0N 75.0W 30 KT 35 MPH
12H 05/0600Z...DISSIPATED

$$
FORECASTER AVILA
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Well, it's still a weak system, but will probably reform after it gets past our area of the Florida coast....

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 AM EDT SAT AUG 6 2011

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

1. A LOW PRESSURE AREA ASSOCIATED WITH THE REMNANTS OF EMILY IS
CENTERED JUST NORTH OF ANDROS ISLAND IN THE BAHAMAS. SATELLITE
IMAGES AND RADAR DATA INDICATE THAT THE SHOWER ACTIVITY HAS BECOME
A LITTLE BETTER ORGANIZED...AND A TROPICAL DEPRESSION COULD FORM
LATER TODAY. THERE IS HAS A HIGH CHANCE...70 PERCENT...OF THIS
SYSTEM REGENERATING INTO A TROPICAL CYCLONE DURING THE NEXT 48
HOURS. AN AIR FORCE PLANE IS SCHEDULED TO INVESTIGATE THE LOW THIS
AFTERNOON. EVEN IF THE SYSTEM BECOMES A TROPICAL DEPRESSION...
ENVIRONMENTAL CONDITIONS ARE ONLY MARGINAL...AND DO NOT FAVOR
SIGNIFICANT INTENSIFICATION. REGARDLESS OF DEVELOPMENT...THIS
DISTURBANCE WILL BRING SQUALLS...AND LOCALLY HEAVY RAINFALL TO
PORTIONS OF THE NORTHWESTERN BAHAMAS TODAY AS IT MOVES NORTHWARD
OVER THE NORTHERN BAHAMAS AND INTO THE OPEN ATLANTIC DURING THE
NEXT DAY OR TWO.

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Emily has sort of reformed, at least as a tropical depression and may reach storm status out in the Atlantic. It's providing some rain to Florda, anywhere from 1 -3 inches depending on the exact location. The heaviest rain has been south of Fort Lauderdale, so it looks like Marshall will deal with some rain tonight, but not much else. I'm sure that will help him sleep better tonight.

500 PM EDT SAT AUG 06 2011

SATELLITE IMAGERY...SURFACE OBSERVATIONS FROM THE BAHAMAS...AND DATA
FROM THE AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT SUGGEST THAT
THE REMNANTS OF EMILY HAVE REGENERATED INTO A TROPICAL CYCLONE...
ALBEIT A WEAK AND RELATIVELY DISORGANIZED ONE. THE INITIAL
INTENSITY OF 25 KT IS BASED ON SURFACE OBSERVATIONS AND FLIGHT LEVEL
WINDS OF AROUND 30 KT MEASURED BY THE AIRCRAFT SOUTH OF THE CENTER.
ONLY GRADUAL STRENGTHENING IS EXPECTED DUE TO DRY AIR AND MODERATE
NORTHERLY WIND SHEAR...AND EMILY IS NOT EXPECTED TO REACH TROPICAL
STORM STATUS...IF AT ALL...UNTIL THE CYCLONE IS OVER OPEN WATERS
AND MOVING AWAY FROM THE BAHAMAS AND THE UNITED STATES. AFTER 36
HOURS...EMILY SHOULD BEGIN WEAKENING AND BE ABSORBED BY A MID-
LATITUDE FRONTAL WAVE TRAVERSING THE CENTRAL ATLANTIC BETWEEN 48 AND
72 HOURS. THE OFFICIAL INTENSITY FORECAST IS IN BEST AGREEMENT WITH
THE SHIPS AND LGEM.

THE INITIAL MOTION ESTIMATE...NORTH AT 7 KT...IS SOMEWHAT UNCERTAIN
SINCE THE CENTER HAS BEEN MOVING SOMEWHAT ERRATICALLY TODAY. EMILY
IS CURRENTLY ON THE WESTERN SIDE OF THE SUBTROPICAL RIDGE...AND
WILL ACCELERATE NORTHWARD AND NORTHEASTWARD DURING THE NEXT COUPLE
OF DAYS AS IT IS BECOMES STEERED BY THE MID-LATITUDE FLOW. THE
OFFICIAL NHC FORECAST IS CLOSE TO THE MULTI-MODEL CONSENSUS TVCA
THROUGH THE TIME THAT THE CYCLONE IS ABSORBED.

GIVEN THE RELATIVELY WEAK WIND FIELD OF THE DEPRESSION...AND ITS
FORECAST MOVEMENT AWAY FROM THE BAHAMAS AND THE UNITED STATES...NO
TROPICAL CYCLONE WATCHES OR WARNINGS ARE NEEDED. THE MAIN IMPACT
WILL BE HEAVY RAINFALL OVER THE NORTHWESTERN BAHAMAS.


FORECAST POSITIONS AND MAX WINDS

INIT 06/2100Z 26.9N 78.1W 25 KT 30 MPH
12H 07/0600Z 27.9N 77.3W 30 KT 35 MPH
24H 07/1800Z 29.9N 75.1W 35 KT 40 MPH
36H 08/0600Z 31.6N 71.4W 35 KT 40 MPH
48H 08/1800Z 33.6N 65.1W 30 KT 35 MPH
72H 09/1800Z...DISSIPATED

$$
FORECASTER BRENNAN
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Marshall, I agree. The first two storms are turning out to sea and will end up in the middle of the Atlantic. The second storm is heading to the bigger islands and the forecasts have it either going north or south of them. So far it looks like it will cause problems for someone, not sure if it's you or our friends on the Gulf Coast? Of course, the next question is how strong are the winds associated with it? It's still a week away or more, but it's worth keeping an eye on until we know some more information.

We are now approaching the middle of August and from now until mid September, it's prime hurricane season.

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Watching Charlie's path with great interest.... By that point we knew that at worst case scenario, it would be at least 75 miles from us. The winds at that distance would be less than 75 mph, so we shuttered up the house, fueled the generator, etc. As it passed over western DeSoto County (Arcadia), winds here peaked at about 45 mph.

But what got us was Frances on the 4th, 5th of September (TS force winds started here at about 6:00 PM and lasted until 11:00 AM the following morning. The storm was huge...

Then three weeks later, Jeanne followed the same path (as in right over my house...) and was a very powerful storm. It started for us at about 9:00 PM with TS winds, and the "howling" started in earnest by about 11:00 PM. Fortunately it was a fast mover and lasted until just before daylight.

The damage caused by Frances and Jeanne to Okeechobee County, which was considerable, has never been mitigated. FEMA never disbursed the money they promised. Same thing with Charlie and the losses in Hardee/ DeSoto as I recall. We were "left on our own"... Only thing FEMA gave was some blue tarps, MRE's and some bottled water....

Don't get me started on FEMA's response, and this is not the proper forum for my thoughts....

[H]

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