000
WTNT31 KNHC 281736
TCPAT1
BULLETIN
TROPICAL STORM ALEX INTERMEDIATE ADVISORY NUMBER 12A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012010
100 PM CDT MON JUN 28 2010
...ALEX MOVING SLOWLY NORTH-NORTHWEST WITH NO CHANGE IN STRENGTH...
SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION
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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 5 MPH...7 KM/HR
MINIMUM CENTRAL PRESSURE...990 MB...29.23 INCHES
WATCHES AND WARNINGS
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CHANGES WITH THIS ADVISORY...
NONE.
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
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AT 100 PM CDT...1800 UTC...THE CENTER OF TROPICAL STORM ALEX WAS LOCATED BY AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT NEAR LATITUDE 20.3 NORTH...LONGITUDE 91.7 WEST. ALEX HAS MOVED LITTLE OVER THE PAST COUPLE OF HOURS...BUT IS EXPECTED TO RESUME MOVING TOWARD THE NORTH-NORTHWEST AT AROUND 5 MPH...7 KM/HR...LATER TODAY. A TURN TOWARD THE NORTHWEST IS FORECAST ON TUESDAY.
MAXIMUM SUSTAINED WINDS REMAIN 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.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER AIRCRAFT WAS 990 MB...29.23 INCHES.
HAZARDS AFFECTING LAND
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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.
WIND...TROPICAL-STORM CONDITIONS ARE EXPECTED TO APPROACH THE COAST WITHIN THE HURRICANE WATCH AREA DURING THE DAY ON WEDNESDAY... MAKING OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS.
NEXT ADVISORY
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NEXT COMPLETE ADVISORY...400 PM CDT.
$$
FORECASTER BRENNAN
