ZCZC MIATCPAT1 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM ALEX ADVISORY NUMBER 12 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012010 1000 AM CDT MON JUN 28 2010 ...ALEX SLOWLY INTENSIFYING...HURRICANE WATCH ISSUED... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...20.3N 91.7W ABOUT 85 MI...135 KM WNW OF CAMPECHE MEXICO ABOUT 535 MI...860 KM SE OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/HR PRESENT MOVEMENT...NNW OR 330 DEGREES AT 7 MPH...11 KM/HR MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... A HURRICANE WATCH HAS BEEN ISSUED FOR THE COAST OF TEXAS SOUTH OF BAFFIN BAY TO THE MOUTH OF THE RIO GRANDE. THE GOVERNMENT OF MEXICO HAS ISSUED A HURRICANE WATCH FOR THE COAST OF MEXICO FROM THE MOUTH OF THE RIO GRANDE TO LA CRUZ. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * THE COAST OF TEXAS SOUTH OF BAFFIN BAY TO THE MOUTH OF THE RIO GRANDE * THE COAST OF MEXICO FROM THE MOUTH OF THE RIO GRANDE TO LA CRUZ A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. 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 1000 AM CDT...1500 UTC...THE CENTER OF TROPICAL STORM ALEX WAS LOCATED NEAR LATITUDE 20.3 NORTH...LONGITUDE 91.7 WEST. ALEX IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 7 MPH...11 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE TODAY WITH A TURN TOWARD THE NORTHWEST FORECAST ON TUESDAY. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 60 MPH...95 KM/HR...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT COUPLE OF DAYS AND ALEX IS EXPECTED TO BECOME A HURRICANE ON TUESDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...ALEX IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL ACCUMULATIONS OF 3 TO 6 INCHES OVER THE YUCATAN PENINSULA... SOUTHERN MEXICO...AND THE NORTHERN PORTIONS OF GUATEMALA THROUGH TUESDAY. ISOLATED MAXIMUM AMOUNTS OF 10 INCHES ARE POSSIBLE OVER MOUNTAINOUS AREAS. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. HEAVY RAINS COULD REACH THE COASTAL AREAS OF TAMAULIPAS...NORTHERN VERACRUZ...AND SOUTH TEXAS TUESDAY NIGHT AND WEDNESDAY. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...100 PM CDT. NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER BLAKE/BRENNAN NNNN
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