000
AXNT20 KNHC 241712
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL  
105 PM EST MON JAN 24 2011

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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 1715 UTC.

...THE ITCZ...

THE ITCZ AXIS IS ALONG 6N10W 2N23W 1S30W 4S40W. SCATTERED 
MODERATE TO ISOLATED STRONG CONVECTION IS ALONG THE COAST OF 
LIBERIA FROM EQ-6N BETWEEN 8W-15W. WIDELY SCATTERED MODERATE 
CONVECTION IS FROM 1N-6N BETWEEN 15W-26W...AND FROM 1S-2N 
BETWEEN 26W-33W. SCATTERED MODERATE CONVECTION IS ALONG THE 
COAST OF BRAZIL FROM 2S-5S BETWEEN 35W-41W. WIDELY SCATTERED 
MODERATE CONVECTION IS ALSO ALONG THE COAST OF BRAZIL FROM 1S-3N 
BETWEEN 43W-50W.    

...DISCUSSION...

THE GULF OF MEXICO...
AS OF 1500 UTC...A 1012 MB LOW IS CENTERED OFF THE COAST OF 
CORPUS CHRISTI TEXAS AT 28N95W. A COLD FRONT EXTENDS S TO NEAR 
TAMPICO MEXICO AT 22N98W. A COLD FRONT ALSO EXTENDS NE TO BEYOND 
S LOUISIANA AT 31N92W. RADAR IMAGERY SHOWS RAIN AND 
THUNDERSTORMS IN THE AREA FROM 27N-31N BETWEEN 93W-97W DRIFTING 
NE. SCATTERED SHOWERS ARE ALSO ALONG THE COLD FRONT TO TAMPICO 
MEXICO. A 1010 MB LOW IS CENTERED OVER THE BAY OF CAMPECHE AT 
19N95W. SCATTERED SHOWERS ARE WITHIN 90 NM OF THIS LOW. 15 KT 
E-SE SURFACE WINDS ARE OVER THE E GULF OF MEXICO E OF 90W. 20 KT 
NW-N WINDS ARE NW OF THE COLD FRONTS. TEMPERATURES ARE IN THE 
50'S OVER THE TEXAS COAST WHILE IN THE 70'S ARE OVER S FLORIDA. 
IN THE UPPER LEVELS...SW UPPER LEVEL FLOW IS OVER THE GULF WITH 
STRONG SUBSIDENCE OVER THE GULF S OF 27N. EXPECT IN 24 HOURS 
FOR...THE SURFACE LOW TO BE OVER THE SE LOUISIANA COAST WITH THE 
COLD FRONT EXTENDING TO THE CENTRAL BAY OF CAMPECHE WITH SHOWERS.

THE CARIBBEAN SEA...
A STATIONARY FRONT THAT EXTENDED FROM THE WINDWARD PASSAGE TO E 
HONDURAS HAS DISSIPATED. RESIDUAL RAIN IS OVER THE WINDWARD 
PASSAGE AND E CUBA. SCATTERED SHOWERS ARE ALSO OVER THE NE 
CARIBBEAN OFF THE COAST OF BELIZE FROM 17N-19N BETWEEN 83W-88W. 
A 1008 MB LOW IS CENTERED OVER N COLOMBIA NEAR 8N75W. 15-20 KT 
TRADEWINDS COVER THE CARIBBEAN SEA AND CENTRAL AMERICA WITH 
STRONGEST WINDS ALONG THE COAST OF N COLOMBIA. SCATTERED SHOWERS 
ARE ALSO OVER THE LESSER ANTILLES E OF 65W. IN THE UPPER 
LEVELS...A RIDGE IS IS OVER THE CARIBBEAN WITH AXIS ALONG 70W. 
STRONG SUBSIDENCE COVERS THE ENTIRE CARIBBEAN. EXPECT IN 24 
HOURS FOR...THE SHOWERS OVER THE E CARIBBEAN TO DRIFT W.    
  
THE ATLANTIC OCEAN...
A COLD FRONT IS OVER THE CENTRAL ATLANTIC FROM 30N51W TO N OF 
HISPANIOLA ALONG 24N60W 20N70W. SCATTERED SHOWERS ARE WITHIN 60 
NM OF THE FRONT. A 1023 MB HIGH IS OVER THE CENTRAL ATLANTIC 
NEAR 27N46W PRODUCING FAIR WEATHER. A 1008 MB LOW HAS FORMED W 
OF THE CANARY ISLANDS NEAR 30N27W. SCATTERED SHOWERS AND RAIN 
ARE WITHIN 120 NM E OF THE LOW CENTER. IN THE UPPER LEVELS...AN 
UPPER LEVEL RIDGE IS OVER THE W ATLANTIC W OF 50W. AN UPPER 
LEVEL LOW IS ALSO W OF THE CANARY ISLANDS AT 29N26W SUPPORTING 
THE SURFACE LOW. EXPECT IN 24 HOURS FOR...THE COLD FRONT TO MOVE 
E AND EXTEND FROM 30N43W TO THE S BAHAMAS WITH SHOWERS. ALSO 
EXPECT THE SURFACE LOW TO DEEPEN TO 1003 MB AND MOVE E TO THE 
CANARY ISLANDS WITH CONVECTION.

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

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FORMOSA