000
AXNT20 KNHC 240605
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL  
105 AM EST WED NOV 24 2010

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...METEOROLOGICAL ANALYSIS...WEATHER OBSERVATIONS...AND 
RADAR.

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

...THE ITCZ...
 
FROM THE SENEGAL/GUINEA-BISSAU BORDER ALONG THE COAST TO 11N20W 
10N30W 8N43W 5N50W...ACROSS NORTHERN FRENCH GUIANA AND NORTHERN 
SURINAME TO THE GUYANA BORDER NEAR 5N57W. STRONG RAINSHOWERS AND 
THUNDERSTORMS ARE IN INDIVIDUAL CLUSTERS BETWEEN 24W AND 33W.
ISOLATED MODERATE RAINSHOWERS ARE ELSEWHERE BETWEEN 10W AND 
43W...AND FROM 8N TO 12N BETWEEN 45W AND 49W. A SURFACE TROUGH
IS ALONG 59W/60W TO THE SOUTH OF 14N. ISOLATED MODERATE
RAINSHOWERS ARE FROM THE COAST TO 12N BETWEEN 56W AND 61W.

...DISCUSSION...

THE GULF OF MEXICO...
BROAD MIDDLE LEVEL TO UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS 
THE AREA. SURFACE ANTICYCLONIC WIND FLOW MOVES AROUND A RIDGE 
THAT PASSES THROUGH FLORIDA ABOUT 60 NM TO THE NORTH OF TAMPA...
INTO THE WEST CENTRAL GULF OF MEXICO...TO THE NORTHWESTERN 
ISTHMUS OF TEHUANTEPEC. EXPECT THE NEXT COLD FRONT TO REACH
THE NORTHWESTERN GULF WATERS BY LATE THURSDAY NIGHT. 

THE CARIBBEAN SEA...
UPPER LEVEL SOUTHWESTERLY WIND FLOW IS TO THE SOUTH OF
12N80W 16N70W BEYOND 17N60W. BROAD LARGE-SCALE SURFACE EASTERLY 
WIND FLOW IS EVERYWHERE. RAINSHOWERS ARE POSSIBLE IN SOME CLOUD
CLUSTERS THAT ARE TO THE SOUTH OF 18N60W 18N70W 17N80W 16N83W.
THESE CLOUD CLUSTERS GENERALLY ARE MOVING WESTWARD.
CLOUDS WITH POSSIBLE RAINSHOWERS ARE MOVING ACROSS HISPANIOLA
AT THIS TIME. THEY ARE BEING PUSHED BY THE SURFACE WINDS-TO-
LOW LEVEL WINDS THAT ARE IN THE ATLANTIC OCEAN.
 
THE ATLANTIC OCEAN...
A SURFACE RIDGE IS ALONG 28N43W 28N52W TO A 1021 MB HIGH 
PRESSURE CENTER THAT IS NEAR 30N70W. A SURFACE TROUGH INTERRUPTS
THE ANTICYCLONIC FLOW. THE TROUGH IS ALONG 30N76W 28N78W TO 
25N78W NEAR ANDROS ISLAND. BROKEN LOW CLOUDS AND POSSIBLE 
RAINSHOWERS ARE WITHIN 30 NM ON EITHER SIDE OF 33N69W 30N74W
28N77W 26N78W. OTHER CLUSTERS OF CLOUDS/POSSIBLE PRECIPITATION
ARE IN THE ATLANTIC OCEAN TO THE NORTH OF 20N TO THE WEST OF 60W.
A DEEP LAYER TROUGH CONTINUES TO SUPPORT A STATIONARY FRONT
THAT PASSES THROUGH 32N36W TO 30N39W. A SECOND STATIONARY FRONT
PASSES THROUGH 32N27W TO A 1008 MB LOW PRESSURE CENTER THAT IS 
NEAR 27N35W. A SURFACE TROUGH CONTINUES FROM THE LOW PRESSURE 
CENTER TO 22N37W AND 19N42W. RAINSHOWERS ARE TO THE NORTH
OF 25N BETWEEN 24W AND 42W.

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

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MT