000
AXNT20 KNHC 090551
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
105 AM EST WED DEC 09 2015

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL  
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0515 UTC.

...ITCZ/MONSOON TROUGH...
                                    
THE MONSOON TROUGH EXTENDS FROM 07N12W TO 06N14W. THE
INTERTROPICAL CONVERGENCE ZONE AXIS EXTENDS FROM 06N14W TO
03N30W TO 04N36W. A SURFACE TROUGH IS ANALYZED FROM 09N37W TO
03N38W. THE ITCZ CONTINUES FROM 04N40W TO THE COAST OF SOUTH
AMERICA NEAR 00N47W. SCATTERED SHOWERS ARE FROM 02N-08N BETWEEN
15W-41W. 

...DISCUSSION...

GULF OF MEXICO... 

AS OF 0300 UTC...A STATIONARY FRONT EXTENDS FROM THE STRAITS OF
FLORIDA AT 25N80W TO 23N83W TO THE YUCATAN CHANNEL. SCATTERED
SHOWERS ARE WITHIN 90 NM OF THE FRONT. A 1020 MB HIGH IS
CENTERED OVER SW GEORGIA NEAR 31N85W. 10 KT ANTICYCLONIC WINDS
ARE OVER THE NE GULF OF MEXICO. FAIR WEATHER IS OVER THE ENTIRE
GULF N OF FRONT. IN THE UPPER LEVELS ZONAL FLOW IS OVER THE GULF
WITH STRONG SUBSIDENCE OVER THE N GULF N OF OF 27N AND UPPER
LEVEL MOISTURE AND SCATTERED HIGH CLOUDS S OF 27N. EXPECT OVER
THE NEXT 24 HOURS FOR THE STATIONARY FRONT TO DISSIPATE. ALSO
EXPECT SCATTERED SHOWERS OVER THE WESTERN BAY OF CAMPECHE DUE TO
HIGH PRESSURE RETURN FLOW. 

CARIBBEAN SEA...   
                                            
AS OF 0300 UTC...A STATIONARY FRONT EXTENDS FROM THE YUCATAN
CHANNEL AT 23N83W TO A 1014 MB LOW OVER THE NW CARIBBEAN AT
20N86W. A SURFACE TROUGH EXTENDS S FROM THE LOW TO THE GULF OF
HONDURAS AT 16N87W. SCATTERED SHOWERS ARE ALONG THE SW COAST OF
CUBA. 10-20 KT TRADEWINDS ARE OVER THE CENTRAL AND EASTERN
CARIBBEAN...E OF 80W...WITH STRONGEST WINDS ALONG THE COAST OF N
COLOMBIA. IN THE UPPER LEVELS...RIDGING IS NOTED OVER THE W
CARIBBEAN W OF 80W. FURTHER E...A SMALL UPPER LEVEL LOW IS
CENTERED N OF THE LEEWARD ISLANDS AT 21N62W. EXPECT OVER THE
NEXT 24 HOURS FOR SCATTERED SHOWERS TO REMAIN OVER THE W
CARIBBEAN W OF 75W. 

...HISPANIOLA...   
                                            
PRESENTLY FAIR WEATHER IS OVER THE ISLAND. IN THE UPPER LEVELS
STRONG SUBSIDENCE IS NOTED. EXPECT OVER THE NEXT 24 HOURS FOR
FAIR WEATHER TO PERSIST WITH SCATTERED SHOWERS TO BE SW OF THE
ISLAND.

ATLANTIC OCEAN...  

AS OF 0300 UTC...A COLD FRONT IS OVER THE W ATLANTIC FROM 31N67W
TO THE N BAHAMAS AT 26N77W. A STATIONARY FRONT CONTINUES TO THE
STRAITS OF FLORIDA AT 25N80W. CLUSTERS OF SCATTERED MODERATE
CONVECTION ARE OVER THE W ATLANTIC N OF 22N BETWEEN 69W-80W. A
1023 MB HIGH IS CENTERED OVER THE CENTRAL ATLANTIC NEAR 26N52W
WITH FAIR WEATHER. A SURFACE TROUGH IS W OF THE CANARY ISLANDS
FROM 30N19W TO 24N19W. SCATTERED SHOWERS ARE N OF 28N E OF 20W.
OF NOTE IN THE UPPER LEVELS... AN UPPER LEVEL LOW IS OVER THE W
ATLANTIC SUPPORTING THE FRONTAL SYSTEM. AN UPPER LEVEL LOW IS
OFF THE COAST OF WEST AFRICA NEAR 30N23W. EXPECT OVER THE NEXT
24 HOURS FOR THE COLD FRONT TO TO MOVE E WITH CONVECTION.

FOR ADDITIONAL INFORMATION PLEASE VISIT
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORMOSA