[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 101119
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
705 AM EST SAT DEC 10 2005

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHEASTERN SECTIONS
OF SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST FROM
THE EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED ON
SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND
METEOROLOGICAL ANALYSIS.

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
1115 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 10N14W 5N30W 4N40W 5N60W.  WIDELY
SCATTERED MODERATE CONVECTION IS FROM 3N-9N BETWEEN 12W-32W...AND
FROM 1N-5N BETWEEN 49W-52W.

...DISCUSSION...

THE GULF OF MEXICO...
A STATIONARY FRONT EXTENDS FROM S FLORIDA NEAR 26N80W TO A 1016 MB
GALE LOW OVER THE BAY OF CAMPECHE NEAR 21N94W.  A COLD FRONT EXTENDS
S FROM THE LOW TO S MEXICO NEAR 16N95W.  A 1027 MB HIGH IS OVER N
MISSISSIPPI NEAR 33N90W RIDGING HIGH PRESSURE OVER THE N GULF OF
MEXICO N OF THE FRONTS.  BROKEN LOW CLOUDS ARE NOTED OVER THE N GULF
S OF 28N WITH NO CONVECTION.  IN THE UPPER LEVELS...A SUBTROPICAL
JET WITH WINDS OF 80 T0 100 KT AND SW FLOW TRAVERSES THE GULF OF
MEXICO.  THIS JET IS PUSHING ABUNDANT MOISTURE FROM THE EASTERN
PACIFIC OCEAN TO THE GULF AND EVENTUALLY INTO THE WESTERN ATLANTIC
OCEAN.  EXPECT SCATTERED SHOWERS OVER THE WESTERN AND CENTRAL GULF
DURING THE NEXT 24 HOURS ESPECIALLY IN THE VICINITY OF THE LOW AND
FRONTAL SYSTEMS.

THE CARIBBEAN SEA...
MODERATE TRADEWINDS ARE ACROSS THE CARIBBEAN...MAINLY E OF 80 W.
PATCHES OF MOISTURE WITH EMBEDDED SCATTERED SHOWERS DOTS THE SEA
ESPECIALLY ALONG THE COASTS OF NICARAGUA AND HONDURAS.  IN THE UPPER
LEVELS...ANTICYCLONIC FLOW DOMINATES THE ENTIRE SEA.  STRONG
SUBSIDENCE COVERS THE AREA EXCEPT ALONG THE COASTS OF NICARAGUA AND
HONDURAS.  EXPECT SCATTERED SHOWERS OVER THE W CARIBBEAN AND CENTRAL
AMERICA W OF 75W DURING THE NEXT 24 HOURS MAINLY DUE TO THE SURFACE
TRADEWINDS.

THE ATLANTIC OCEAN...
A COLD FRONT IS OVER THE W ATLANTIC FROM 32N68W TO S FLORIDA NEAR
26N80W.  BROKEN LOW CLOUDS WITH NO CONVECTION IS NOTED ALONG THE
FRONT.  BROKEN HIGH CLOUDS...DUE TO THE JETSTREAM...FLOWS ABOVE THE
FRONT.  A 1023 MB HIGH IS OVER THE CENTRAL ATLANTIC NEAR 31N51W.
FURTHER E...A 1004 MB GALE LOW IS NEAR 32N30W.  A COLD FRONT EXTENDS
S FROM THE LOW TO 21N38W 18N42W.  SCATTERED MODERATE CONVECTION IS
N OF 23N BETWEEN 26W-35W.  IN THE UPPER LEVELS... LARGE RIDGE IS
OVER THE W ATLANTIC N OF 20N AND W OF 55W.  A TROUGH IS OVER THE
CENTRAL ATLANTIC N OF 10N BETWEEN 40W-55W.  WESTERLY ZONAL FLOW IS
OVER THE E ATLANTIC N OF 10N AND E OF 40W.  AN ANTICYCLONIC
CIRCULATION IS CENTERED OVER THE TROPICAL ATLANTIC NEAR 1N32W.
ANTICYCLONIC FLOW IS S OF 10N BETWEEN 20W-50W.

$$
FORMOSA



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