[Tropical] Tropical Weather Discussion

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AXNT20 KNHC 161102
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
805 AM EDT FRI APR 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 1045 UTC...

...THE ITCZ...
FROM COASTAL LIBERIA NEAR 6N10W TO 2N20W...TO THE EQUATOR ALONG
30W...ALONG THE EQUATOR BETWEEN 30W AND 45W...CROSSING THE
EQUATOR INTO NORTHEASTERN BRAZIL NEAR 3S55W. STRONG SHOWERS AND
THUNDERSTORMS ARE FROM 3N TO 8N BETWEEN 54W AND 59W IN GUYANA
AND SURINAME AND ADJACENT COASTAL WATERS. STRONG SHOWERS AND
THUNDERSTORMS ARE JUST TO THE EAST OF TRINIDAD. STRONG SHOWERS
AND THUNDERSTORMS ALSO ARE ALONG THE SOUTHEASTERN COAST OF GHANA
AND THE COAST OF THE IVORY COAST. SHOWERS AND THUNDERSTORMS ARE
FROM 2N TO 5N BETWEEN 10W AND 15W OFF THE COAST OF LIBERIA.
ISOLATED MODERATE SHOWERS ARE ELSEWHERE TO THE SOUTH OF 10N
BETWEEN AFRICA AND SOUTH AMERICA.

THE GULF OF MEXICO...
BROAD MIDDLE LEVEL TO UPPER LEVEL CYCLONIC FLOW COVERS THE AREA.
UPPER LEVEL ANTICYCLONIC FLOW COVERS THE NORTHWESTERN CORNER OF
THE AREA TO THE NORTH OF 27N BETWEEN 90W AND 101W. STRONG
SHOWERS AND THUNDERSTORMS ARE IN THE SOUTHWESTERN CORNER OF THE
AREA JUST TO THE NORTH OF THE ISTHMUS OF TEHUANTEPEC. ISOLATED
SHOWERS ARE IN THE MEXICO COASTAL PLAINS FROM 19N TO 25N TO THE
EAST OF 100W...IN THE NORTHWESTERN CORNER OF THE CARIBBEAN SEA
TO THE NORTH OF 15N TO THE WEST OF 78W...AND IN SOUTH TEXAS FROM
28N TO 29N BETWEEN 97W AND 99W.

THE CARIBBEAN SEA...
UPPER LEVEL SOUTHWESTERLY WIND FLOW COVERS THE ENTIRE AREA.
A SURFACE TROUGH CONTINUES FROM 25N51W TO A 1009 MB LOW PRESSURE
CENTER THAT IS NEAR 19N58W. A TROUGH CONTINUES FROM 19N58W TO
BARBADOS INTO THE SOUTHEASTERN CORNER OF THE CARIBBEAN SEA TO
11N65W. SHOWERS ARE IN THE WATERS FROM VENEZUELA TO 13N BETWEEN
64W AND 69W. ISOLATED SHOWERS ARE IN THE NORTHWESTERN CORNER OF
THE CARIBBEAN SEA TO THE NORTH OF 15N TO THE WEST OF 78W...
ASSOCIATED WITH THE LARGE-SCALE CYCLONIC FLOW IN THE GULF OF
MEXICO.

THE ATLANTIC OCEAN...
AN UPPER LEVEL TROUGH DIGS SOUTHWARD INTO THE ATLANTIC OCEAN...
PASSING THROUGH 33N56W TO 23N55W. THE TROUGH SUPPORTS THE COLD
FRONT THAT PASSES THROUGH 32N48W TO 25N51W. A SURFACE TROUGH
CONTINUES FROM 25N51W TO A 1009 MB LOW PRESSURE CENTER THAT IS
NEAR 19N58W. A TROUGH CONTINUES FROM 19N58W TO BARBADOS INTO THE
SOUTHEASTERN CORNER OF THE CARIBBEAN SEA TO 11N65W. ISOLATED
MODERATE SHOWERS ARE TO THE NORTH OF 20N BETWEEN 40W AND 50W.
UPPER LEVEL CYCLONIC FLOW COVERS THE EASTERN ATLANTIC OCEAN TO
THE NORTH OF 20N TO THE EAST OF 33W. BROAD SURFACE CYCLONIC FLOW
IS TO THE NORTH OF 25N TO THE EAST OF 28W.

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

$$
MT





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