[Tropical] Tropical Weather Discussion

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AXNT20 KNHC 240616
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
205 AM EDT THU MAY 24 2007

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL
AMERICA...THE GULF OF MEXICO...THE CARIBBEAN SEA...NORTHERN
SECTIONS OF SOUTH AMERICA...AND THE 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 SATELLITE IMAGERY
THROUGH 0515 UTC.

...ITCZ...
11N14W 9N17W 6N20W 4N27W 3N30W 4N40W 5N47W 5N57W INTO SURINAME.
SCATTERED STRONG SHOWERS AND THUNDERSTORMS FROM 4N TO 6N BETWEEN
22W AND 32W. ISOLATED MODERATE SHOWERS ELSEWHERE FROM THE EQUATOR
TO 10N BETWEEN 10W AND 40W...AND FROM 5N TO 9N BETWEEN 44W AND
55W.

THE GULF OF MEXICO...
MIDDLE TO UPPER LEVEL CYCLONIC FLOW FROM A TROUGH COVERS THE
AREA NORTH OF 33N BETWEEN 100W AND 128W. THE MIDDLE LEVEL
SHORTWAVE TROUGH IN LOUISIANA FROM 24 HOURS AGO NOW EXTENDS
FROM FLORIDA NEAR 27N82W TO 28N86W TO SOUTHEASTERN LOUISIANA
NEAR 30N91W. A MIDDLE TO UPPER LEVEL CYCLONIC CIRCULATION CENTER
IS NEAR 25N93W. UPPER LEVEL ANTICYCLONIC FLOW IS SOUTH OF 24N
BETWEEN 86W AND 100W. A SURFACE RIDGE PASSES THROUGH THE FLORIDA
PANHANDLE...INTO THE NORTHWESTERN GULF OF MEXICO WATERS TO THE
LOWER RIO GRANDE VALLEY OF SOUTH TEXAS.

THE CARIBBEAN SEA...
BROAD MIDDLE TO UPPER LEVEL NORTHWESTERLY WIND FLOW COVERS THE
AREA. UPPER LEVEL ANTICYCLONIC FLOW IS SOUTH OF 15N WEST OF 75W.
THE SURFACE PRESSURE GRADIENT IS WEAK-TO-NON EXISTENT. NUMEROUS
STRONG SHOWERS AND THUNDERSTORMS ARE ALONG THE PACIFIC OCEAN
COAST FROM 9N84W JUST WEST OF COSTA RICA...TO NICARAGUA...TO
HONDURAS AND EASTERN EL SALVADOR. ENOUGH UPPER LEVEL DIFFLUENT
FLOW IS HELPING THIS PRECIPITATION TO MAINTAIN ITSELF.

THE ATLANTIC OCEAN...
A MIDDLE TO UPPER LEVEL TROUGH ON WATER VAPOR IMAGERY PASSES
OVER BERMUDA...TO 26N71W TO 25N74W. A STATIONARY FRONT PASSES
THROUGH 32N52W TO 27N60W. A TROUGH CONTINUES FROM 27N60W TO
25N68W TO THE BAHAMAS NEAR 24N74W. AN UPPER LEVEL RIDGE IS NORTH
OF 21N63W 28N57W BEYOND 32N53W. SCATTERED MODERATE SHOWERS TO
ISOLATED STRONG THUNDERSTORMS FROM 22N TO 24N BETWEEN 59W AND
62W. SURFACE ANTICYCLONIC FLOW IS NORTH OF 15N BETWEEN 20W AND
51W. A FAR-EASTERN ATLANTIC OCEAN DEEP LAYER CYCLONIC
CIRCULATION CENTER IS NEAR 33N16W. BROAD CYCLONIC FLOW ON WATER
VAPOR IMAGERY COVERS THE AREA NORTH OF 24N BEYOND 32N EAST OF
30W TO AFRICA. A 1008 MB LOW PRESSURE CENTER NEAR 31N16W...IN
BETWEEN THE CANARY ISLANDS AND THE MADEIRA ISLANDS.

$$
MT




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