[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 160557
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
205 AM EDT TUE MAR 16 2010

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 0000 UTC SURFACE ANALYSIS AND GOES-12 SATELLITE IMAGERY
THROUGH 0345 UTC...AND METEOSAT-7 IMAGERY THROUGH 0545 UTC...

...THE ITCZ...

FROM THE COAST OF LIBERIA NEAR 5N9W TO 2N20W TO 2N30W 2N40W...
CURVING INTO NORTHEASTERN COASTAL BRAZIL NEAR THE EQUATOR ALONG
52W. SHOWERS ARE POSSIBLE FROM 2N TO 6N BETWEEN 17W AND 35W.

...DISCUSSION...

FROM THE EASTERN PACIFIC OCEAN...ACROSS MEXICO INTO THE GULF
OF MEXICO...AND INTO THE ATLANTIC OCEAN TO THE NORTH OF 20N
TO THE WEST OF 60W...
MIDDLE LEVEL TO UPPER LEVEL CYCLONIC FLOW COVERS MEXICO AND
THE SOUTHWESTERN CORNER OF THE U.S.A. TO THE NORTH OF 26N.
A CYCLONIC CENTER NOW IS MOVING THROUGH WEST TEXAS A LITTLE
BIT TO THE SOUTH OF LUBBOCK. UPPER LEVEL MOISTURE IS WITHIN
200 NM TO 300 NM ON EITHER SIDE OF 16N110W 21N100W 26N90W...
ACROSS FLORIDA NEAR 26N82W...BEYOND 29N64W IN THE ATLANTIC
OCEAN. THE FLOW IN THIS MOISTURE BAND IS FROM THE SOUTHWEST
TO WEST EVERYWHERE. THE FLOW IS CYCLONIC TO THE NORTH OF 30N
IN THE ATLANTIC OCEAN BETWEEN 50W AND 95W. THE ATLANTIC COLD
FRONT PASSES THROUGH 32N50W TO 30N52W 24N60W TO 20N68W.
A DISSIPATING STATIONARY FRONT CONTINUES FROM 20N68W...ACROSS
HISPANIOLA...TO 17N74W. A SURFACE TROUGH IS ALONG 31N67W 28N74W
27N80W. A WELL-DEFINED AREA OF CLOUDS IS MOVING EASTWARD BEHIND
THE TROUGH. SURFACE ANTICYCLONIC FLOW COVERS THE GULF OF MEXICO.
BROKEN TO OVERCAST MULTILAYERED CLOUDS AND POSSIBLE SHOWERS ARE
FROM 20N TO 28N BETWEEN 45W AND 64W...AND TO THE NORTH OF 30N
BETWEEN 30W AND 50W.

THE CARIBBEAN SEA...
A DISSIPATING STATIONARY FRONT GOES FROM 20N68W...ACROSS
HISPANIOLA...TO 17N74W. SHOWERS ARE POSSIBLE EVERYWHERE IN
HISPANIOLA. THE PRESSURE GRADIENT ACROSS THE AREA IS WEAK.
BROAD UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE AREA.

THE REST OF THE ATLANTIC OCEAN...
A WARM FRONT GOES FROM 27N40W BEYOND 32N45W. THIS WARM FRONT
ULTIMATELY IS CONNECTED TO THE 996 MB LOW PRESSURE CENTER THAT
SUPPORTS THE 32N50W 20N68W COLD FRONT. SURFACE ANTICYCLONIC FLOW
COVERS THE AREA FROM 16N TO 32N BETWEEN 24W INCLUDING THE CAPE
VERDE ISLANDS AND 40W...MOVING AROUND A 1019 MB HIGH PRESSURE
CENTER THAT IS NEAR 27N31W. A DISSIPATING COLD FRONT PASSES
THROUGH 32N18W TO 26N21W. SHOWERS ARE POSSIBLE NEAR THE COLD
FRONT BUT NOT READILY APPARENT FROM SATELLITE IMAGERY.

FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
MT



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