000 AXNT20 KNHC 072352 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 805 PM EDT TUE SEP 07 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2315 UTC. ...SPECIAL FEATURE... TROPICAL DEPRESSION HERMINE IS CENTERED INLAND OVER TEXAS NEAR 31.1N 99.4W AT 08/0000 UTC...OR ABOUT 5 MI...10 KM SW OF BRADY TEXAS...MOVING NNW AT 17 KT. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB. MAXIMUM SUSTAINED WIND SPEED IS 30 KT WITH GUST TO 40 KT. PLEASE SEE LATEST NHC INTERMEDIATE PUBLIC ADVISORY UNDER AWIPS/WMO HEADERS MIATCPAT5/WTNT35 KNHC AND THE FULL FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMAT5/WTNT25 KNHC FOR MORE DETAILS. BANDS OF SCATTERED MODERATE CONVECTION ARE INLAND OVER CENTRAL AND SE TEXAS AS WELL AS OVER THE NW GULF OF MEXICO FROM 26N-33N BETWEEN 92W-100W. ...TROPICAL WAVES... A TROPICAL WAVE IS OVER THE EASTERN TROPICAL ATLANTIC ALONG 20W/21W S OF 19N MOVING WEST 10-15 KT. A 1009 MB LOW IS EMBEDDED ON THE WAVE AXIS AT 14N21W. THIS WAVE IS IN AN AREA OF DEEP LEVEL MOISTURE AS INDICATED ON TOTAL PRECIPITABLE WATER IMAGERY. WIDELY SCATTERED MODERATE CONVECTION IS FROM 12N-15N BETWEEN 18W-23W. ...ITCZ... A MONSOON TROUGH IS S OF 20N E OF 25W TO W AFRICA. AN ITCZ AXIS CONTINUES WESTWARD FROM 9N25W TO 8N30W TO 10N45W TO 11N60W. BESIDES THE CONVECTION MENTIONED IN THE TROPICAL WAVE SECTION...WIDELY SCATTERED MODERATE CONVECTION IS FROM 4N-9N BETWEEN 25W-34W. SCATTERED MODERATE CONVECTION IS FROM 6N-8N BETWEEN 40W-42W. ...DISCUSSION... GULF OF MEXICO... T.D. HERMINE IS CENTERED OVER CENTRAL TEXAS. SEE ABOVE. ISOLATED MODERATE CONVECTION IS ALSO S OF THE DEPRESSION ALONG THE COAST OF NE MEXICO FROM 22N-26N BETWEEN 96W-98W. ELSEWHERE...WIDELY SCATTERED MODERATE CONVECTION IS OVER SOUTH FLORIDA...THE STRAITS OF FLORIDA...AND W CUBA S OF 27N. MOSTLY FAIR WEATHER IS OVER THE CENTRAL GULF. IN THE UPPER LEVELS... AN UPPER LEVEL HIGH IS CENTERED OVER THE NW GULF NEAR 27N94W ENHANCING CONVECTION. A WEDGE OF STRONG SUBSIDENCE IS OVER THE CENTRAL GULF. EXPECT...CONVECTION TO PERSIST OVER THE E GULF E OF 90W... AND OVER INLAND TEXAS FOR THE NEXT 24 HOURS. CARIBBEAN SEA... A RATHER LAX SURFACE PRESSURE GRADIENT IS OVER THE CARIBBEAN SEA THUS TRADEWINDS ARE MOSTLY 10-15 KT. CONVECTION FROM THE REMNANTS OF GASTON HAS REACHED PUERTO RICO. SCATTERED MODERATE TO STRONG CONVECTION IS FROM 16N-19N BETWEEN 65W-69W MOVING W. WIDELY SCATTERED MODERATE CONVECTION IS OVER THE COAST OF CUBA BETWEEN 78W-85W. ISOLATED MODERATE CONVECTION IS ALONG THE COAST OF N COLOMBIA FROM 10N-14N BETWEEN 73W-78W. SCATTERED MODERATE CONVECTION IS INLAND OVER CENTRAL AMERICA FROM PANAMA TO S MEXICO. IN THE UPPER LEVELS...THE E CARIBBEAN HAS SOUTHERLY FLOW E OF 72W, AN UPPER LEVEL LOW IS CENTERED JAMAICA NEAR 18N78W MOVING W. THE W CARIBBEAN W OF 82W HAS NE UPPER LEVEL FLOW. EXPECT...CONVECTION FROM THE REMNANTS OF GASTON TO TRAVERSE HISPANIOLA OVER THE NEXT 24 HOURS. ATLANTIC OCEAN... A WEAK SURFACE TROUGH IS OVER THE W ATLANTIC AND NORTHERN BAHAMAS FROM 31N76W TO 26N79W. ISOLATED MODERATE CONVECTION IS FROM 22N-28N BETWEEN 77W-80W. A 1022 MB HIGH IS OVER THE W ATLANTIC NEAR 30N63W PRODUCING FAIR WEATHER. ANOTHER 1023 MB HIGH IS CENTERED OVER THE CENTRAL ATLANTIC NEAR 39N34W. ELSEWHERE...A TROUGH IS W OF THE CAPE VERDE ISLANDS ALONG 21N31W 16N31W. A 1009 MB LOW IS EMBEDDED ON THE WAVE AXIS NEAR 18N31W. SCATTERED SHOWERS ARE WITHIN 60 NM OF THE TROUGH. OF NOTE IN THE UPPER LEVELS...AN UPPER LEVEL HIGH IS CENTERED OVER THE W ATLANTIC NEAR 25N62W WITH STRONG SUBSIDENCE. AN UPPER LEVEL LOW IS CENTERED OVER THE CENTRAL ATLANTIC NEAR 29N51W. ANOTHER UPPER LEVEL HIGH IS CENTERED OVER W AFRICA NEAR 21N16W. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA