000 AXNT20 KNHC 250558 CCA TWDAT TROPICAL WEATHER DISCUSSION...CORRECTION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 205 AM EDT MON OCT 25 2010 ...CORRECTION FOR HURRICANE RICHARD MAXIMUM WINDS... 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 1015 UTC. ...SPECIAL FEATURE... HURRICANE RICHARD IS CENTERED NEAR 17.6N 89.3W AT 25/0600 UTC OR ABOUT 65 NM W OF BELIZE CITY AND ABOUT 155 NM ESE OF CIUDAD DEL CARMEN MOVING WNW AT 8 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB. MAXIMUM SUSTAINED WIND SPEED IS 65 KT WITH GUSTS TO 80 KT. SEE LATEST NHC INTERMEDIATE PUBLIC ADVISORY UNDER AWIPS/WMO HEADERS MIATCPAT4/WTNT34 KNHC AND THE FULL FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMAT4/WTNT24 KNHC FOR MORE DETAILS. RADAR DATA FROM BELIZE INDICATED THAT THE EYE OF HURRICANE RICHARD MADE LANDFALL AROUND 0045 UTC ALONG THE COAST OF BELIZE ABOUT 17 NM SOUTH-SOUTHWEST OF BELIZE CITY. SCATTERED MODERATE/ ISOLATED STRONG CONVECTION IS INLAND OVER THE YUCATAN PENINSULA INCLUDING PORTIONS OF BELIZE AND GUATEMALA WITH SCATTERED SHOWERS/ISOLATED THUNDERSTORMS OVER THE GULF OF HONDURAS FROM THE YUCATAN CHANNEL S OF 22NW OF 84W. ...TROPICAL WAVE... THE SURFACE TROUGH THAT WAS ALONG THE COAST OF W AFRICA WAS INTRODUCED AS A TROPICAL WAVE AT 25/0000 UTC FROM 10N21W TO 4N26W AND IS EMBEDDED WITHIN THE ITCZ. CLUSTERS OF SCATTERED MODERATE/STRONG CONVECTION COVER THE AREA FROM 5N-9N BETWEEN 22W-30W. TROPICAL WAVE EXTENDS FROM 24N35W TO 18N38W MOVING WNW 10-15 KT. THE 1011 MB LOW IS NO LONGER DISCERNIBLE. WAVE REMAINS LOCATED BETWEEN AN UPPER RIDGE TO THE E AND AN UPPER LOW TO THE W PROVIDING DIFFLUENCE ALOFT TO ENHANCE SCATTERED MODERATE/STRONG CONVECTION COVERING THE AREA WITHIN 120/150 NM OF LINE FROM 17N30W TO 26N36W. ...THE ITCZ... ITCZ AXIS IS CENTERED ALONG 8N12W 8N20W THEN RESUMES NEAR 4N27W 5N32W 7N37W. A SURFACE TROUGH EXTENDS FROM 17N43W TO 8N45W WITH CLUSTERS OF SCATTERED MODERATE/STRONG CONVECTION WITHIN 180 NM E OF THE TROUGH S OF 11N. CLUSTERS OF SCATTERED MODERATE/ISOLATED STRONG CONVECTION ARE WITHIN 150 NM EITHER SIDE OF THE ITCZ E OF 18W TO INLAND OVER W AFRICA AND FROM 2N-6N BETWEEN 23W-37W. ...DISCUSSION... GULF OF MEXICO... AN UPPER TROUGH COVERS THE NW GULF FROM PENSACOLA FLORIDA TO TUXPAN MEXICO WITH THE ASSOCIATED FRONT STILL INLAND OVER TEXAS BUT GENERATING A SQUALL LINE IN THE GULF WATERS FROM 28N87W TO INLAND OVER PENSACOLA FLORIDA AND THROUGH CENTRAL ALABAMA. A BROAD UPPER RIDGE COVERS THE REMAINDER OF THE GULF EXTENDING A RIDGE AXIS FROM THE CARIBBEAN TO ALONG THE EASTERN SEABOARD. A SURFACE RIDGE DOMINATES THE E GULF WATERS ANCHORED BY A 1026 MB IN THE W ATLC GIVING THE GULF RETURN FLOW AROUND THE SURFACE RIDGE. WATER VAPOR IMAGERY INDICATES STRONG SUBSIDENCE AND DRY AIR IMPACTING THE MOST OF THE GULF WITH THE EXCEPTION OF THE NE GULF AND OVER THE S GULF WHERE THE OUTFLOW OF HURRICANE RICHARD COVERS THE AREA S OF 24N BETWEEN 82W-92W. THE REMAINDER OF THE GULF IS UNDER CLEAR SKIES TONIGHT. CARIBBEAN SEA... HURRICANE RICHARD MADE LANDFALL OVER THE YUCATAN PENINSULA EARLIER TONIGHT...SEE SPECIAL FEATURES ABOVE. BROAD UPPER RIDGE IS ANCHORED OVER THE CAYMAN ISLANDS AND COVERS THE W CARIBBEAN W OF 75W PROVIDING DIFFLUENCE ALOFT AND COUPLED WITH AN ABUNDANCE OF TROPICAL MOISTURE CONTINUE TO GENERATE CLUSTERS OF SCATTERED SHOWERS/ISOLATED THUNDERSTORMS S OF 17N W OF 77W AND N OF 17N TO OVER HAITI BETWEEN 72W-77W. WATER VAPOR IMAGERY INDICATES STRONG SUBSIDENCE AND DRY AIR IMPACTING THE E CARIBBEAN E OF 75W AND GIVING THE AREA FAIR WEATHER TONIGHT E OF 77W WITH SOME POSSIBLE ISOLATED LOW LEVEL SHOWERS MOVING ACROSS THE AREA INCLUDING THE LESSER ANTILLES. ATLANTIC OCEAN... THE BROAD UPPER RIDGE ANCHORED IN THE CARIBBEAN EXTENDS A RIDGE AXIS N ALONG THE EASTERN SEABOARD COVERING THE W ATLC W OF A SHORTWAVE UPPER TROUGH THAT CONTINUES TO MOVE ACROSS THE W ATLC EXTENDING FROM BERMUDA TO THE TURKS AND CAICOS. AN UPPER RIDGE AXIS EXTENDS TO THE E OF THE UPPER SHORTWAVE PROVIDING DIFFLUENCE ALOFT TO GENERATE AN AREA OF SCATTERED SHOWERS/ ISOLATED THUNDERSTORMS FROM 23N-29N BETWEEN 56W-65W. A SURFACE RIDGE COVERS THE W ATLC W OF 55W ANCHORED BY A 1026 MB HIGH 200 NM WNW OF BERMUDA LEAVING THE REMAINDER OF THE W ATLC W OF 70W EXPERIENCING FAIR WEATHER TONIGHT. AN UPPER TROUGH IS IN THE CENTRAL ATLC N OF 27N SUPPORTING A REMNANT SURFACE TROUGH THAT EXTENDS THROUGH 32N45W TO 25N61W. AN UPPER LOW IS CENTERED NEAR 21N42W ENHANCING SCATTERED SHOWERS AND POSSIBLE ISOLATED THUNDERSTORMS FROM 17N-27N BETWEEN 37W-43W. AN UPPER RIDGE EXTENDS E/W ANCHORED INLAND OVER AFRICA TO 37W ALONG 14N. A SURFACE RIDGE DOMINATES THE E ATLC N OF 26N E OF 35W ANCHORED BY A 1029 MB HIGH E OF THE AZORES. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ PAW