Skip Navigation Links weather.gov   
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
National Hurricane Center
Local forecast by
"City, St" or "ZIP"

 
Alternate Formats
   Text     |   Mobile
   Email   |   RSS XML/RSS logo
   About Alternates
Cyclone Forecasts
   Latest Advisory
   Past Advisories
   Audio/Podcasts
   About Advisories
Marine Forecasts
   Atlantic & E Pacific
   Gridded Marine
   About Marine
Tools & Data
   Satellite | Radar
   Analysis Tools
   Aircraft Recon
   GIS Datasets
   Data Archive
Development
   Experimental
   Research
   Forecast Accuracy
Outreach & Education
   Prepare
   Storm Surge
   About Cyclones
   Cyclone Names
   Wind Scale
   Most Extreme
   Forecast Models
   Breakpoints
   Resources
   Glossary | Acronyms
   Frequent Questions
Our Organization
   About NHC
   Mission & Vision
   Staff | Q&A
   Visitors | Virtual Tour
   Library Branch
   NCEP | Newsletter
Contact Us
   Comments
Follow the National Hurricane Center on Facebook Follow the National Hurricane Center on Twitter
Subscribe the National Hurricane Center on YouTube Read the National Hurricane Center Inside the Eye blog on WordPress
FirstGov.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.
 
 

Atlantic Tropical Weather Discussion



000
AXNT20 KNHC 261143
TWDAT 

TROPICAL WEATHER DISCUSSION...CORRECTED
NWS NATIONAL HURRICANE CENTER MIAMI FL 
705 AM EST FRI DEC 26 2014

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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1115 UTC.

...SPECIAL FEATURES...                                           

STRONG HIGH PRES BEHIND THE COLD FRONT MOVING ACROSS THE W 
CARIBBEAN WILL DRIVE INCREASING WINDS ALONG THE COAST OF 
COLOMBIA WHICH WILL REACH GALE FORCE THROUGH THIS MORNING. SEAS 
ARE EXPECTED TO BE FROM 11-15 FEET ACROSS THIS AREA. PLEASE 
REFER TO THE HIGH SEAS FORECAST...MIAHSFAT2/FZNT02 KNHC...AND 
THE OFFSHORE FORECAST...MIAOFFNT3/FZNT23 KNHC...FOR MORE DETAILS.

...THE ITCZ/THE MONSOON TROUGH...                                

THE ITCZ EXTENDS FROM 7N12W TO 4N35W TO 6N55W. SCATTERED 
MODERATE CONVECTION FROM 3N-6N BETWEEN 26W-31W. 

...DISCUSSION...

GULF OF MEXICO... 

HIGH PRESSURE ACROSS THE AREA AFTER THE FRONTAL PASSAGE. WITH 
THIS...A GENTLE TO MODERATE ANTICYCLONIC FLOW IS OBSERVED ACROSS 
THE BASIN. UPPER-LEVEL SW FLOW IS BRINGING PLENTY OF MOISTURE TO 
THE GULF FROM THE EPAC AND W CARIBBEAN. ISOLATED SHOWERS ARE N 
OF 27N AND W OF 90W. LOOKING AHEAD OVER THE NEXT 24-48 
HOURS...EXPECT FOR THE NEXT COLD FRONT TO APPROACH THE TEXAS 
COAST BY SAT AND THEN SLOWLY MOVING INTO THE NW GULF.

CARIBBEAN SEA...   

FRESH TO STRONG TRADEWINDS PREVAIL ACROSS THE EAST AND CENTRAL 
CARIBBEAN WITH THE STRONGEST WINDS OF 25-30 KT NEAR THE COAST OF 
COLOMBIA. SEE THE SPECIAL FEATURES ABOVE FOR MORE INFORMATION. A 
COLD FRONT IS MOVING ACROSS THE WESTERN CARIBBEAN ALONG WESTERN 
CUBA TO HONDURAS. GENTLE TO MODERATE NORTHERLY WINDS ARE BLOWING 
ACROSS THE NW CARIBBEAN BEHIND OF THE WEAKENING FRONT WITH 
ISOLATED SHOWERS ALONG THE BOUNDARY. SHALLOW MOISTURE EMBEDDED 
IN THE TRADE WIND FLOW CONTINUES TO MOVE ACROSS THE REGION 
PRODUCING ISOLATED PASSING SHOWERS AFFECTING THE LESSER ANTILLES 
AND PUERTO RICO. GENTLE TRADEWINDS PREVAIL ELSEWHERE WITH FAIR 
WEATHER DUE TO STRONG SUBSIDENCE. EXPECT FOR THE FRONT TO 
DISSIPATE LATER TODAY. FRESH NORTHERLY WINDS ARE EXPECTED IN THE 
WAKE OF THE FRONT. 

HISPANIOLA...                   

A DRY AIR MASS CONTINUES ACROSS THE ISLAND SUPPORTING FAIR 
WEATHER. SHALLOW MOISTURE EMBEDDED IN THE TRADE WIND FLOW 
CONTINUES TO MOVE ACROSS THE REGION PRODUCING WEAK...ISOLATED 
PASSING SHOWERS. 

ATLANTIC OCEAN...   

THE COLD FRONT CONTINUES TO MOVE E ACROSS THE W PORTION OF THE 
BASIN...EXTENDING FROM 32N68W TO WESTERN CUBA. SCATTERED 
SHOWERS REMAINS ALONG THE FRONT. A 1022 MB HIGH IS E OF THE 
FRONT CENTERED NEAR 27N70W AND EXTENDING A RIDGE ACROSS THE 
CENTRAL ATLANTIC. MODERATE TO LOCALLY FRESH EASTERLY WINDS ARE 
NOTED ACROSS THE SOUTHERN PERIPHERY OF THE RIDGE. TO THE E...A 
TROUGH IS PRODUCING SCATTERED MODERATE CONVECTION N OF 20N 
BETWEEN 25W-40W. 

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

$$
DGS



Quick Navigation Links:
Tropical Cyclone Forecasts  -  Tropical Marine Forecasts  -  Data Archive
Outreach  -  Prepare  -  About Cyclones  -  About NHC  -  Contact Us

NOAA/ National Weather Service
National Centers for Environmental Prediction
National Hurricane Center
11691 SW 17th Street
Miami, Florida 33165 USA
nhcwebmaster@noaa.gov
Disclaimer
Credits
Information Quality
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities
Page last modified: Friday, 26-Dec-2014 11:43:49 UTC