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| #356648 (Received by flhurricane at: 4:34 AM 01.Jul.2010) TCPAT1 BULLETIN HURRICANE ALEX ADVISORY NUMBER 23 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012010 400 AM CDT THU JUL 01 2010 ...ALEX CONTINUES TO WEAKEN...HEAVY RAINFALL WILL BECOME THE MAJOR THREAT LATER TODAY... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...24.0N 99.0W ABOUT 20 MI...30 KM N OF CIUDAD VICTORIA MEXICO ABOUT 160 MI...260 KM SW OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/HR PRESENT MOVEMENT...W OR 260 DEGREES AT 12 MPH...19 KM/HR MINIMUM CENTRAL PRESSURE...971 MB...28.67 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE TROPICAL STORM WARNING FOR THE COAST OF TEXAS FROM THE MOUTH OF THE RIO GRANDE TO PORT OCONNOR HAS BEEN DISCONTINUED. THE GOVERNMENT OF MEXICO HAS CHANGED THE HURRICANE WARNING TO A TROPICAL STORM WARNING FROM NORTH OF RIO SAN FERNANDO TO THE MOUTH OF THE RIO GRANDE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * THE COAST OF MEXICO FROM RIO SAN FERNANDO TO LA CRUZ A TROPICAL STORM WARNING IN IN EFFECT FOR... * THE COAST OF MEXICO SOUTH OF LA CRUZ TO CABO ROJO AND NORTH OF RIO SAN FERNANDO TO THE MOUTH OF THE RIO GRANDE 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 UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 400 AM CDT...0900 UTC...THE CENTER OF HURRICANE ALEX WAS LOCATED NEAR LATITUDE 24.0 NORTH...LONGITUDE 99.0 WEST. ALEX IS MOVING TOWARD THE WEST NEAR 12 MPH...19 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR SO. ON THE FORECAST TRACK...ALEX WILL CONTINUE MOVING INLAND OVER NORTHEASTERN MEXICO TODAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 80 MPH...130 KM/HR ...WITH HIGHER GUSTS. ALEX IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON WIND SCALE. ADDITIONAL WEAKENING IS FORECAST AS ALEX CONTINUES TO MOVE INLAND. ALEX IS EXPECTED TO WEAKEN TO A TROPICAL STORM LATER TODAY AND DISSIPATE IN THE NEXT 24 TO 36 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM...MAINLY TO THE NORTH AND EAST OF THE CENTER. A MEXICAN NAVY AUTOMATED STATION IN LA PESCA RECENTLY REPORTED A SUSTAINED WIND OF 48 MPH...77 KM/HR...AND A WIND GUST TO 73 MPH... 118 KM/HR. ESTIMATED MINIMUM CENTRAL PRESSURE IS 971 MB...28.67 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...ALEX IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 6 TO 12 INCHES OVER PORTIONS OF NORTHEASTERN MEXICO. ISOLATED MAXIMUM AMOUNTS OF 20 INCHES ARE POSSIBLE OVER THE HIGHER ELEVATIONS OF NORTHEASTERN MEXICO. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN MOUNTAINOUS TERRAIN. ALEX IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES OVER PORTIONS OF SOUTHERN TEXAS...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS AROUND 10 INCHES. THESE RAINFALL AMOUNTS COULD CAUSE LIFE-THREATENING FLASH FLOODS. WIND...HURRICANE-FORCE WINDS ARE SPREADING INLAND NEAR THE CENTER OF ALEX OVER A PORTION OF THE HURRICANE WARNING AREA. TROPICAL STORM CONDITIONS ARE OCCURRING WITHIN THE TROPICAL STORM WARNING AREAS. THESE WINDS WILL DECREASE LATER TODAY. STORM SURGE...THE STORM TIDE AND WAVES WILL GRADUALLY DIMINISH LATER TODAY. TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF EXTREME SOUTHERN TEXAS THROUGH TODAY. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...700 AM CDT. NEXT COMPLETE ADVISORY...1000 AM CDT. $$ FORECASTER BRENNAN |
