[Tropical] Tropical Weather Discussion

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AXNT20 KNHC 230605
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
205 AM EDT SUN MAR 23 2008

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 0345 UTC.

...THE ITCZ...

FROM SOUTHERN SIERRA LEONE NEAR 8N12W TO 4N20W 2N25W TO 3N44W...
INTO NORTHEASTERN BRAZIL NEAR 1N54W. SCATTERED MODERATE TO
STRONG SHOWERS AND THUNDERSTORMS ARE FROM 2N TO 5N BETWEEN
36W AND 51W.

...DISCUSSION...

THE GULF OF MEXICO...

UPPER LEVEL WESTERLY WIND FLOW MOVES FROM MEXICO INTO THE
NORTHWESTERN HALF OF THE GULF OF MEXICO. ONE COMPUTER MODEL
YESTERDAY SUGGESTED THE DEVELOPMENT OF A SHORTWAVE TROUGH
DEVELOPING IN THE NORTHWESTERN CORNER OF THE AREA. FAINT HINTS
OF SUCH A TROUGH ARE IN THE NORTHWESTERN CORNER OF THE AREA.
PRECIPITATION IS POSSIBLE WITHIN 120 NM ON EITHER SIDE OF 24N86W
BEYOND 28N77W. A WARM FRONT EXTENDS FROM 27N71W TO FLORIDA NEAR
27N81W...TO A 1013 MB LOW PRESSURE CENTER NEAR 26N83W. A COLD
FRONT EXTENDS FROM 26N83W TO THE NORTHERN SECTIONS OF THE
YUCATAN PENINSULA. ISOLATED MODERATE SHOWERS AND POSSIBLE
THUNDERSTORMS ARE IN THE EAST CENTRAL GULF OF MEXICO FROM
23N TO 28N BETWEEN INTERIOR FLORIDA AND 87W.

THE CARIBBEAN SEA...

BROAD UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE AREA
WEST OF 35W. SHOWERS AND POSSIBLE THUNDERSTORMS ARE WITHIN
120 NM ON EITHER SIDE OF 32N72W TO 24N86W. SHOWERS ARE

THE ATLANTIC OCEAN...

BROAD MIDDLE TO UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE
AREA WEST OF 40W....UNDER A DRY/SUBSIDENT ATMOSPHERE. A 1024 MB
HIBH PRESSURE CENTER IS NEAR 31N54W. A SECOND SURFACE HIGH
PRESSURE CENTER AT 1003 MB IS NEAR 24N54W.  AN EASTERN ATLANTIC
DEEP LAYER CYCLONIC CIRCULATION CENTER IS NEAR 31N28W. THIS
CYCLONIC CENTER IS WHAT REMAINS OF THE DEEP LAYER TROUGH
THAT HAD BEEN IN THE AREA FOR THE LAST 3 DAYS. THE CYCLONIC
CENTER STILL SUPPORTS A COLD FRONT FROM A 1012 MB LOW PRESSURE
CENTER NEAR 32N27W TO 30N25W 27N25W 21N29W. SCATTERED MODERATE
SHOWERS ARE NORTH OF 29N BETWEEN 23W AND 28W. THE FRONT IS MARKED
BY LOW TO MIDDLE LEVEL CLOUDS WITHIN 60 NM TO 90 NM ON EITHER
SIDE OF 20N30W 24N23W 27N22W 30N23W.

$$
MT

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