000
WTNT31 KNHC 010237
TCPAT1
BULLETIN
HURRICANE ALEX ADVISORY NUMBER 22
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012010
1000 PM CDT WED JUN 30 2010
...ALEX MOVING INLAND OVER NORTHEASTERN MEXICO...
SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
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LOCATION...24.3N 97.8W
ABOUT 35 MI...55 KM N OF LA PESCA MEXICO
ABOUT 110 MI...180 KM S OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...100 MPH...160 KM/HR
PRESENT MOVEMENT...W OR 260 DEGREES AT 10 MPH...17 KM/HR
MINIMUM CENTRAL PRESSURE...947 MB...27.96 INCHES
WATCHES AND WARNINGS
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CHANGES WITH THIS ADVISORY...
THE HURRICANE WARNING IS CHANGED TO A TROPICAL STORM WARNING FOR THE COAST OF TEXAS SOUTH OF BAFFIN BAY 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 THE MOUTH OF THE RIO GRANDE TO LA CRUZ
A TROPICAL STORM WARNING IN IN EFFECT FOR...
* THE COAST OF TEXAS FROM THE MOUTH OF THE RIO GRANDE TO PORT
OCONNOR
* THE COAST OF MEXICO SOUTH OF LA CRUZ TO CABO ROJO
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 1000 PM CDT...0300 UTC...THE CENTER OF HURRICANE ALEX WAS LOCATED NEAR LATITUDE 24.3 NORTH...LONGITUDE 97.8 WEST. THIS POSITION IS JUST INLAND OF THE COAST OF NORTHEASTERN MEXICO IN THE MUNICIPALITY OF SOTO LA MARINA. ALEX IS MOVING TOWARD THE WEST NEAR 10 MPH...17 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR SO. ON THIS TRACK...THE CENTER OF ALEX WILL MOVE FARTHER INLAND OVER NORTHEASTERN MEXICO ON THURSDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 KM/HR...WITH HIGHER GUSTS. ALEX IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. STEADY WEAKENING WILL OCCUR AS THE TROPICAL CYCLONE MOVES OVER LAND...AND ALEX IS EXPECTED TO DISSIPATE OVER MEXICO WITHIN 1 TO 2 DAYS.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM.
AN AIR FORCE HURRICANE HUNTER AIRCRAFT REPORTED A MINIMUM CENTRAL PRESSURE OF 947 MB...27.96 INCHES...JUST BEFORE LANDFALL.
HAZARDS AFFECTING LAND
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RAINFALL...ALEX IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 6 TO 12 INCHES OVER PORTIONS OF NORTHEASTERN MEXICO AND SOUTHERN TEXAS...WITH ISOLATED MAXIMUM AMOUNTS OF 20 INCHES. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES... ESPECIALLY OVER MOUNTAINOUS TERRAIN.
WIND...HURRICANE-FORCE WINDS ARE SPREADING INLAND OVER A PORTION OF THE HURRICANE WARNING AREA OVER NORTHEASTERN MEXICO. THESE WINDS WILL DECREASE ON THURSDAY.
STORM SURGE...A DANGEROUS STORM TIDE WILL RAISE WATER LEVELS BY
AS MUCH AS 4 TO 6 FEET ABOVE GROUND LEVEL ALONG THE IMMEDIATE COAST TO THE NORTH OF WHERE THE CENTER HAS MADE LANDFALL. THE WATER COULD PENETRATE INLAND AS FAR AS SEVERAL MILES FROM THE SHORE WITH DEPTH GENERALLY DECREASING AS THE STORM TIDE MOVES INLAND. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. THE STORM TIDE AND WAVES WILL GRADUALLY DIMINISH ON THURSDAY.
TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF EXTREME SOUTHERN TEXAS OVERNIGHT.
NEXT ADVISORY
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NEXT INTERMEDIATE ADVISORY...100 AM CDT.
NEXT COMPLETE ADVISORY...400 AM CDT.
$$
FORECASTER PASCH/BERG
