[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 251105
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
805 AM EDT FRI MAY 25 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 1115 UTC.

...ITCZ...
8N13W 5N20W 4N30W 3N40W...INTO NORTHEASTERN BRAZIL NEAR 2N52W.
NUMEROUS STRONG SHOWERS AND THUNDERSTORMS FROM 2N TO 6N BETWEEN
20W AND 27W...AND IN GUYANA AND POSSIBLY WESTERN SURINAME FROM
4N TO 8N IN COASTAL WATERS BETWEEN 57W AND 60W. ISOLATED
MODERATE SHOWERS ARE ELSEWHERE SOUTH OF 8N.

THE GULF OF MEXICO AND THE ATLANTIC OCEAN WEST OF 70W...
A MIDDLE TO UPPER LEVEL TROUGH FROM NORTH FLORIDA TO THE YUCATAN
CHANNEL IS HELPING TO SPREAD CLOUDS AND ISOLATED TO WIDELY
SCATTERED MODERATE SHOWERS FROM THE ATLANTIC OCEAN COAST OF CUBA
TO THE BAHAMAS...SOUTH OF 27N BETWEEN 67W AND 80W. MIDDLE TO
UPPER LEVEL DRY AIR IS NORTH OF 28N WEST OF 70W IN THE ATLANTIC
OCEAN...AND NORTH OF 20N BETWEEN 81W AND 93W IN THE GULF OF
MEXICO. MIDDLE TO UPPER LEVEL NORTHWESTERLY FLOW ON THE WESTERN
SIDE OF THE TROUGH COVERS THE AREA. A STATIONARY FRONT IS IN
CENTRAL TEXAS...AND IT IS NOT FORECAST TO MAKE IT TO THE TEXAS
GULF COAST. SCATTERED STRONG SHOWERS AND THUNDERSTORMS FROM
28N TO 30N BETWEEN 98W AND 100W IN TEXAS.

THE CARIBBEAN SEA...
UPPER LEVEL WESTERLY FLOW COVERS THE ENTIRE AREA. SOME OF THIS
WESTERLY FLOW IS RELATED TO THE FLORIDA-YUCATAN CHANNEL TROUGH.
AN UPPER LEVEL ANTICYCLONIC CIRCULATION CENTER IS NEAR 10N72W.
BROKEN TO OVERCAST MULTILAYERED CLOUDS ARE WEST OF 70W. THE ITCZ
ALSO GOES FROM NORTHERN COLOMBIA ALONG 9N TO 10N80W TO NICARAGUA
NEAR 13N86W. WIDELY SCATTERED MODERATE SHOWERS TO ISOLATED
STRONG THUNDERSTORMS ARE SOUTH OF 14N WEST OF 73W.
THE COMPARATIVELY STRONGEST THUNDERSTORMS ARE FROM THE PANAMA
COAST TO 11N BETWEEN 80W AND 82W. ISOLATED MODERATE SHOWERS...
SOME DISSIPATING WITH TIME...ARE NORTH OF 18N BETWEEN 60W AND
72W...IN THE WATERS NORTH OF THE VIRGIN ISLANDS...PUERTO
RICO...AND THE DOMINICAN REPUBLIC. IT IS POSSIBLE THAT SOME
OF THIS PRECIPITATION IS REACHING COASTAL AREAS OF THE
DOMINICAN REPUBLIC. IT IS ALSO POSSIBLE THAT SOME AREAS
WITHOUT PRECIPITATION NOW MAY SEE SOME SHOWERS AND THUNDERSTORMS
DURING THE NEXT 24 HOURS AS LONG AS THE TROUGH STAYS IN THE AREA
FROM THE ISLANDS TO 20N WEST OF 60W.

THE ATLANTIC OCEAN EAST OF 70W...
A MIDDLE TO UPPER LEVEL TROUGH ON WATER VAPOR IMAGERY PASSES
OVER 33N56W TO 30N59W TO 22N59W. THIS TROUGH SUPPORTS THE
STATIONARY FRONT THAT EXTENDS FROM 31N53W TO 24N60W. A TROUGH
CONTINUES FROM 24N60W TO 20N65W TO THE MONA PASSAGE AND 18N70W
ON THE SOUTHERN SIDE OF THE DOMINICAN REPUBLIC. WIDELY SCATTERED
MODERATE SHOWERS TO ISOLATED TO ISOLATED STRONG THUNDERSTORMS
WITHIN 60 NM ON EITHER SIDE OF 27N52W 23N56W. ISOLATED MODERATE
SHOWERS ELSEWHERE FROM 20N TO 25N BETWEEN 77W AND 63W. ISOLATED
MODERATE SHOWERS ALSO COVER THE NORTHEASTERN CARIBBEAN SEA FROM
HISPANIOLA AND PUERTO RICO AND THE VIRGIN ISLANDS TO 21N BETWEEN
59W AND 70W. A FAR-EASTERN ATLANTIC OCEAN MIDDLE TO UPPER LEVEL
TROUGH PASSES OVER THE MADEIRA ARCHIPELAGO TO A SMALL CYCLONIC
CIRCULATION CENTER NEAR 30N21W TO A SECOND CYCLONIC CENTER NEAR
27N30W TO 16N38W. SURFACE ANTICYCLONIC FLOW WITH A RIDGE COVERS
THE ATLANTIC OCEAN NORTH OF 10N BETWEEN AFRICA AND THE 31N53W
24N60W STATIONARY FRONT.

$$
MT


This weather bulletin was brought to you by:
www.nashvilleweather.net