[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 082357
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
705 PM EST TUE JAN 08 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2315 UTC

...THE ITCZ...
ITCZ AXIS IS CENTERED ALONG 2N1W 2N10W 3N20W 2N40W EQ50W.
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS FROM EQ-2N
BETWEEN 1W-11W...AND FROM 2N-3N BETWEEN 11W-16W.  WIDELY
SCATTERED MODERATE CONVECTION IS FROM 1N-7N BETWEEN
22W-30W...AND FROM 2N-4N BETWEEN 38W-42W.

...DISCUSSION...

GULF OF MEXICO...
SURFACE RIDGING IS PRODUCING 10-20 KT SELY RETURN FLOW OVER THE
GULF OF MEXICO.  MOSTLY FAIR WEATHER PREVAILS EXCEPT ALONG THE
COASTS OF TEXAS AND LOUISIANA WHERE A COLD FRONT IS APPROACHING
WITH BROKEN TO OVERCAST LOW CLOUDS W OF 94W.  THE COLD FRONT IS
PRESENTLY JUST INLAND FROM 31N94W TO 27N99W.  ISOLATED MODERATE
CONVECTION IS WITHIN 60 NM OF THE FRONT N OF 27N.  IN THE UPPER
LEVELS...A RIDGE IS OVER THE GULF WITH AXIS ALONG 80W.  SWLY
UPPER LEVEL FLOW COVERS THE ENTIRE GULF.  STRONG SUBSIDENCE
COVERS THE ENTIRE GULF.  EXPECT THE COLD FRONT TO EXTEND FROM SE
LOUISIANA TO NE MEXICO IN 24 HOURS WITH LIGHT CONVECTION.

CARIBBEAN SEA...
MODERATE TRADEWINDS ARE OVER THE ENTIRE CARIBBEAN SEA WITH
PATCHES OF BROKEN LOW CLOUDS AND SCATTERED SHOWERS OVER CENTRAL
AMERICA FROM PANAMA TO BELIZE...AND OVER HISPANIOLA...JAMAICA...
AND THE CENTRAL CARIBBEAN FROM 15N-19N BETWEEN 70W-82W.  IN THE
UPPER LEVELS...SWLY FLOW IS OVER CENTRAL AMERICA AND THE SW
CARIBBEAN WITH UPPER LEVEL MOISTURE.  WLY FLOW COVERS THE
REMAINDER OF THE CARIBBEAN SEA WITH STRONG SUBSIDENCE.
EXPECT...LITTLE CHANGE OVER THE NEXT 24 HOURS.

ATLANTIC OCEAN...
A SURFACE TROUGH IS OVER THE CENTRAL ATLANTIC ALONG 30N45W
26N48W 21N49W.  BROKEN LOW CLOUDS ARE WITHIN 120 NM OF THE
TROUGH.  SCATTERED SHOWERS ARE ALSO E OF THE TROUGH FROM 25N-29N
BETWEEN 40W-44W.  IN THE UPPER LEVELS...A RIDGE IS OVER THE W
ATLANTIC N OF 20N W OF 70W.  A TROUGH IS OVER THE CENTRAL
ATLANTIC N OF 20N BETWEEN 45W-70W.  AN EMBEDDED UPPER LEVEL LOW
IS CENTERED NEAR 27N59W.  UPPER LEVEL DIFFLUENCE E OF THE LOW
CENTER IS PRODUCING WIDELY SCATTERED MODERATE CONVECTION FROM
26N-29N BETWEEN 55W-57W.  A BROAD RIDGE IS OVER THE E ATLANTIC N
OF 20N BETWEEN 20W-45W.   EXPECT...THE SURFACE TROUGH TO DRIFT W
OVER THE NEXT 24 HOURS.

$$
FORMOSA



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