TROPICAL STORM HERMINE INTERMEDIATE ADVISORY NUMBER 4A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL102010 700 PM CDT MON SEP 06 2010 ...HERMINE STRENGTHENING AS IT NEARS THE COAST... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...24.8N 97.1W ABOUT 80 MI...130 KM NNE OF LA PESCA MEXICO ABOUT 80 MI...130 KM SSE OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/HR PRESENT MOVEMENT...NW OR 325 DEGREES AT 14 MPH...22 KM/HR MINIMUM CENTRAL PRESSURE...991 MB...29.26 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * RIO SAN FERNANDO MEXICO NORTHWARD TO BAFFIN BAY TEXAS A TROPICAL STORM WARNING IS IN EFFECT FOR... * LA CRUZ MEXICO NORTHWARD TO PORT OCONNOR TEXAS FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES ...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 700 PM CDT...0000 UTC...THE CENTER OF TROPICAL STORM HERMINE WAS LOCATED NEAR LATITUDE 24.8 NORTH...LONGITUDE 97.1 WEST. HERMINE IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH...22 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR TWO. ON THE FORECAST TRACK THE CENTER WILL MAKE LANDFALL ON THE COAST OF NORTHEASTERN MEXICO IN THE WARNING AREA TONIGHT...AND MOVE INLAND OVER SOUTHERN TEXAS ON TUESDAY AND INTO CENTRAL TEXAS ON WEDNESDAY. DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 65 MPH...100 KM/HR...WITH HIGHER GUSTS. SOME ADDITIONAL STRENGTHENING IS POSSIBLE...AND HERMINE COULD APPROACH HURRICANE STRENGTH PRIOR TO LANDFALL. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM FROM THE CENTER. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE HURRICANE HUNTER IS 991 MB...29.26 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE OCCURRING IN THE WARNING AREA AND ARE EXPECTED TO CONTINUE OVERNIGHT. STORM SURGE...STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE GROUND LEVEL ALONG THE IMMEDIATE COAST NEAR AND TO THE NORTH OF WHERE THE CENTER MAKES LANDFALL. RAINFALL...HERMINE IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES OVER NORTHEASTERN MEXICO AND SOUTH TEXAS WITH ISOLATED MAXIMUM AMOUNTS OF 12 INCHES POSSIBLE. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOOD AND MUDSLIDES. TORNADOES...ISOLATED TORNADOES ARE POSSIBLE ALONG THE LOWER AND MIDDLE TEXAS COAST THIS EVENING...AND CONTINUING OVERNIGHT. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1000 PM CDT. $$ FORECASTER BLAKE/BRENNAN |