Perturbed area crossing the Windwards/Leewards Islands

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Gustywind
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Perturbed area crossing the Windwards/Leewards Islands

#1 Postby Gustywind » Mon Jun 15, 2009 10:51 am

Hi everybody! A new perturbed area is right now crossing all the islands beetwen St Vincent and Antigua. Meteo-France Martinica have put an yellow and Guadeloupe too at 11 AM. Strong showers with moderate tstorms should bring nice amounts of water during the next 24-48H, and thus, Meteo-France is anticipating for maybe an yellow orange alert in Guadeloupe if the showers continue to amplify. Yesterday night Dominica has been sprayed nicely! Basse-Terre has just experienced 40 to 60 millimeters in a few hours this morning! Hope my friend HUC from Basse-Terre is ok...meaning that it's just light to moderate amounts not... strong!
Let's see what happens during the next couple of hours, i will check you informed if the situations evolves.
What the weather like in PR Luis the others too in the carib islands? Tell me. Here is the latest sat pic from Meteo-France :darrow:
http://www.meteo.fr/temps/domtom/antill ... Tagant.jpg
Nice regards from Guadeloupe
Gustywind :)
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#2 Postby Gustywind » Mon Jun 15, 2009 11:05 am

During the last 10 minutes, thunder is rumbling nicelyand sometimes scattered lightning are present in my area. Weather is grey,overcast, rain was moderate but light now, wind is calm.
Looking at the upper levels winds, seems that shear is preventing any formation and that's the good news :darrow:
http://cimss.ssec.wisc.edu/tropic/real- ... wg8wxc.GIF :D
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Re: Perturbed area crossing the Windwards/Leewards Islands

#3 Postby cycloneye » Mon Jun 15, 2009 11:07 am

Nothing out of the ordinary here with the usual diurnal showers occuring since April,except when a Tropical Wave or a upper trough moves thru,then more widespread rain has fallen.That disturbed weather area will reach PR by tommorow.Below is a closeup of the area.No circulation is seen.

Image

Image

Visible pic loop.

http://www.star.nesdis.noaa.gov/smcd/op ... loope.html

Link to various pics of the NE Caribbean.

http://www.srh.noaa.gov/sju/?n=satellite01
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Re: Perturbed area crossing the Windwards/Leewards Islands

#4 Postby Gustywind » Mon Jun 15, 2009 11:37 am

cycloneye wrote:Nothing out of the ordinary here with the usual diurnal showers occuring since April,except when a Tropical Wave or a upper trough moves thru,then more widespread rain has fallen.That disturbed weather area will reach PR by tommorow.Below is a closeup of the area.No circulation is seen.

Image

Image

Visible pic loop.

http://www.star.nesdis.noaa.gov/smcd/op ... loope.html

Ok glad to see that Luis,tkanks for the sat pics. This feature does not seems organized, it will bring the water need for all the islands after several dry days :wink: particulary in Guadeloupe, we were suffocating yesterday too hot and dry trying to take a good breath! :P
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Re: Perturbed area crossing the Windwards/Leewards Islands

#5 Postby cycloneye » Mon Jun 15, 2009 11:46 am

Looking more closely at the visible pic,I see a very weak tiny almost naked swirl NE of Antigua and Barbuda.
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Re: Perturbed area crossing the Windwards/Leewards Islands

#6 Postby expat2carib » Mon Jun 15, 2009 1:13 pm

We had non-stop torrential rain here on Dominica between 8 and 11 o'clock this morning.
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#7 Postby gatorcane » Mon Jun 15, 2009 1:29 pm

THE ATLANTIC OCEAN...
BROAD MIDDLE LEVEL TO UPPER LEVEL CYCLONIC FLOW MOVES FROM THE
EASTERN U.S.A. INTO THE WESTERN ATLANTIC OCEAN AROUND A TROUGH
THAT PASSES BEYOND 31N77W TO THE NORTHEAST. AN UPPER LEVEL RIDGE
IS ALONG THE LINE FROM THE NORTHERN BAHAMAS NEAR 27N78W TO 29N72W
BEYOND 31N68W. A MIDDLE LEVEL TO UPPER LEVEL TROUGH EXTENDS FROM
A 29N50W CYCLONIC CIRCULATION CENTER TO 21N51W TO 13N57W TO GUYANA
NEAR 5N58W. ISOLATED MODERATE SHOWERS ARE FROM 12N TO 16N BETWEEN
57W AND 63W. THE PRECIPITATION COVERS MOSTLY THE AREAS AROUND AND/OR
ON TOP OF THE CARIBBEAN SEA ISLANDS FROM BARBADOS TO GUADELOUPE.
A MIDDLE LEVEL TO UPPER LEVEL CYCLONIC CIRCULATION CENTER IS ON
TOP OF THE MADEIRA ARCHIPELAGO NEAR 33N16W.
CYCLONIC FLOW EXTENDS
AS FAR TO THE SOUTH AS 25N TO THE EAST OF 22W.

http://www.nhc.noaa.gov/text/refresh/MI ... 1748.shtml?
Last edited by gatorcane on Mon Jun 15, 2009 1:38 pm, edited 1 time in total.
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Re: Perturbed area crossing the Windwards/Leewards Islands

#8 Postby cycloneye » Mon Jun 15, 2009 1:34 pm

As I said before here,the daily diurnal shower and thunderstorm activity that occurs since early April once again is here.As the disturbed area passes tommorow,there will be more rain for us than we normally get for this time of the year.

Image
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#9 Postby Gustywind » Mon Jun 15, 2009 8:28 pm

Here is our guest: :?: :lol:
000
AXNT20 KNHC 152310
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
805 PM EDT MON JUN 15 2009

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTIONS
OF SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST
FROM THE EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED
ON SATELLITE IMAGERY...METEOROLOGICAL ANALYSIS...WEATHER
OBSERVATIONS...AND RADAR.

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 2245 UTC.

CARIBBEAN SEA...
HOWEVER...ATMOSPHERIC INSTABILITY NEAR AN UPPER
LEVEL TROUGH OVER THE FAR E CARIBBEAN IS SUPPORTING SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS N OF 14N E OF 67W INCLUDING
PORTIONS OF PUERTO RICO AND THE LEEWARD ISLANDS.

ATLANTIC OCEAN...
HOWEVER...AN UPPER LEVEL TROUGH AXIS EXTENDS FROM 31N51W TO AN UPPER LEVEL LOW NEAR 27N50W TO 16N57W TO 11N57W. THE UPPER LEVEL LOW IS ASSOCIATED WITH A SURFACE TROUGH EXTENDING FROM 31N50W TO 29N51W TO 28N52W. THESE FEATURES ARE SUPPORTING SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS FROM 14N-18N W OF 57W INCLUDING PORTIONS OF THE
LEEWARD ISLANDS...AS WELL AS SCATTERED SHOWERS N OF 27N BETWEEN
44W-52W.

$$
COHEN
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#10 Postby Gustywind » Tue Jun 16, 2009 2:48 am

I woke up suddently, we had non-stop torrential rain here on Guadeloupe during 30 minutes this morning:eek:, very strong showers are abatting remembering a well TD or a Tropical Storm! :roll: Convection is firing up givent the sat pic...so it's not so surprising! :(
http://www.meteo.fr/temps/domtom/antill ... Tagant.jpg
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#11 Postby Gustywind » Tue Jun 16, 2009 6:28 am

000
AXNT20 KNHC 161033
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
805 AM EDT TUE JUN 16 2009

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTIONS
OF SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST
FROM THE EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED
ON SATELLITE IMAGERY...METEOROLOGICAL ANALYSIS...WEATHER
OBSERVATIONS...AND RADAR.

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0945 UTC.

CARIBBEAN SEA...
SIMILAR ACTIVITY ACROSS THE LESSER ANTILLES E OF 66W IS SUPPORTED BY AN UPPER LEVEL TROUGH THAT EXTENDS FROM THE CENTRAL ATLC OVER THE FAR E CARIBBEAN.

ATLANTIC OCEAN...
A BROAD UPPER TROUGH COVERS THE CENTRAL ATLC TO OVER THE FAR E CARIBBEAN WITH AN EMBEDDED UPPER LOW NEAR 29N50W SUPPORTING A WEAK SURFACE TROUGH THAT EXTENDS FROM 28N52W TO 31N49W.
UPPER LEVEL DIFFLUENCE TO THE E OF THE UPPER LOW AND E OF THE SURFACE TROUGH IS GENERATING ISOLATED SHOWERS FROM 27N-30N BETWEEN 47W-50W. AT THE BASE OF THE UPPER TROUGH ARE SCATTERED SHOWERS/ ISOLATED THUNDERSTORMS FROM 11N-18N W OF 55W TO OVER THE LESSER ANTILLES.
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#12 Postby Gustywind » Tue Jun 16, 2009 6:36 am

Seems that Basse-Terre has experienced juicy amounts near 60 to 120 millimeters (150 near the Volcano " Soufrière" :eek:!). Hey HUC what's the weather like in your area? Msbee too?
An improvement is expected this afternoon, but the rain is always moderate and continious.
http://www.ssd.noaa.gov/goes/east/carb/avn-l.jpg
http://cimss.ssec.wisc.edu/tropic/real- ... g8sht.html
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Re: Perturbed area crossing the Windwards/Leewards Islands

#13 Postby tropicana » Tue Jun 16, 2009 7:46 am

yeah some rainfall figures ive come across ending at 8am this morning for the last 24 hours:-

Crown Point, Tobago 0.1mm
Point Salines, Grenada 0.7mm
Arnos Vale, St Vincent 6mm
Piarco Airport, Trinidad 12mm
Grantley Adams, Barbados 17mm
Hawannora, St Lucia 26mm
Canefield Airport, Dominica 30mm
Melville Hall Airport, Dominica 66mm
Le Reizet, Guadeloupe 78mm
Le Lemantain, Martinique 100mm

-justin-
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Re: Perturbed area crossing the Windwards/Leewards Islands

#14 Postby Gustywind » Tue Jun 16, 2009 8:25 am

tropicana wrote:yeah some rainfall figures ive come across ending at 8am this morning for the last 24 hours:-

Crown Point, Tobago 0.1mm
Point Salines, Grenada 0.7mm
Arnos Vale, St Vincent 6mm
Piarco Airport, Trinidad 12mm
Grantley Adams, Barbados 17mm
Hawannora, St Lucia 26mm
Canefield Airport, Dominica 30mm
Melville Hall Airport, Dominica 66mm
Le Reizet, Guadeloupe 78mm
Le Lemantain, Martinique 100mm

-justin-

OHH tkanks my friend , i sincerely appreciate.
You're well informed, that's great! Whereas just a correctif on Le Reizet, it's le "RAIZET" not Rei, le Lemantain= is Le Lamentin Another amounts in Martinica from yesterday 5AM to today 5AM are pretty juicy:
between 50 to 100mm in many, locally 120 to 150mm on N/E tip OF THE ISLAND, 231mm on the extreme North!. For examples (in millimeters in some areas of MARTINICA):
- 95mm at Lamentin.
- 134mm at Ste Marie.
- 231mm at Macouba. (damn!)
- 64mm at Ste Anne.
- 28mm at Diamant.
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#15 Postby Gustywind » Tue Jun 16, 2009 12:00 pm

Things are improving here, no alert in the zone, back to green alert! :D
Hope you're ok Luis in PR. What's the weather like?
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Re: Perturbed area crossing the Windwards/Leewards Islands

#16 Postby cycloneye » Tue Jun 16, 2009 3:57 pm

In PR today it was as expected a rainy mainly in the afternoon hours.Flood advisorys popped up for parts of the island,while in San Juan,heavy downpours briefly flooded some roads and streets in the metroflex.
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Re: Perturbed area crossing the Windwards/Leewards Islands

#17 Postby Gustywind » Tue Jun 16, 2009 5:43 pm

cycloneye wrote:In PR today it was as expected a rainy mainly in the afternoon hours.Flood advisorys popped up for parts of the island,while in San Juan,heavy downpours briefly flooded some roads and streets in the metroflex.

So not too bad :) tkanks for keep us informed in San Juan, LUIS as usual. :wink:
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