Post by NHC Olney Maryland on Jul 1, 2010 11:23:33 GMT -5
BULLETIN
HURRICANE ALEX INTERMEDIATE ADVISORY NUMBER 22A
NWS TPC/NATIONAL HURRICANE CENTER OLNEY MD AL012010
100 AM CDT THU JUL 01 2010
...ALEX WEAKENS...BUT IS STILL A HURRICANE AS IT MOVES INLAND OVER
NORTHEASTERN MEXICO...
SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...24.1N 98.2W
ABOUT 35 MI...60 KM NW OF LA PESCA MEXICO
ABOUT 135 MI...215 KM SSW OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/HR
PRESENT MOVEMENT...WSW OR 245 DEGREES AT 10 MPH...17 KM/HR
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE.
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
------------------------------
AT 100 AM CDT...0600 UTC...THE CENTER OF HURRICANE ALEX WAS LOCATED
NEAR LATITUDE 24.1 NORTH...LONGITUDE 98.2 WEST. FOR THE PAST FEW
HOURS ALEX HAS BEEN MOVING TOWARD THE WEST-SOUTHWEST NEAR 10 MPH
...17 KM/HR...BUT A GENERAL WESTWARD MOTION IS EXPECTED TO RESUME
AND CONTINUE FOR THE NEXT DAY OR SO. ON THIS TRACK...THE CENTER OF
ALEX WILL CONTINUE MOVING INLAND OVER NORTHEASTERN MEXICO TODAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140 KM/HR...
WITH HIGHER GUSTS. ALEX IS A CATEGORY ONE HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL WEAKENING WILL
OCCUR AS THE TROPICAL CYCLONE MOVES INLAND...AND ALEX IS EXPECTED
TO WEAKEN TO A TROPICAL STORM LATER TODAY AND DISSIPATE OVER MEXICO
BY FRIDAY.
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...MAINLY NORTH AND EAST OF THE CENTER. AN AUTOMATED
MEXICAN NAVY STATION AT LA PESCA RECENTLY REPORTED A SUSTAINED WIND
OF 35 MPH...57 KM/HR...AND A GUST TO 53 MPH...86 KM/HR.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 960 MB...28.35 INCHES.
HAZARDS AFFECTING LAND
----------------------
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 IN NORTHEASTERN MEXICO. TROPICAL STORM
CONDITIONS ARE OCCURRING WITHIN THE TROPICAL STORM WARNING AREAS
OVER SOUTH TEXAS AND NORTHEASTERN MEXICO. THESE WINDS WILL
DECREASE LATER TODAY.
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 LATER
TODAY.
TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF EXTREME
SOUTHERN TEXAS OVERNIGHT.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...400 AM CDT.
HURRICANE ALEX INTERMEDIATE ADVISORY NUMBER 22A
NWS TPC/NATIONAL HURRICANE CENTER OLNEY MD AL012010
100 AM CDT THU JUL 01 2010
...ALEX WEAKENS...BUT IS STILL A HURRICANE AS IT MOVES INLAND OVER
NORTHEASTERN MEXICO...
SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...24.1N 98.2W
ABOUT 35 MI...60 KM NW OF LA PESCA MEXICO
ABOUT 135 MI...215 KM SSW OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/HR
PRESENT MOVEMENT...WSW OR 245 DEGREES AT 10 MPH...17 KM/HR
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE.
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
------------------------------
AT 100 AM CDT...0600 UTC...THE CENTER OF HURRICANE ALEX WAS LOCATED
NEAR LATITUDE 24.1 NORTH...LONGITUDE 98.2 WEST. FOR THE PAST FEW
HOURS ALEX HAS BEEN MOVING TOWARD THE WEST-SOUTHWEST NEAR 10 MPH
...17 KM/HR...BUT A GENERAL WESTWARD MOTION IS EXPECTED TO RESUME
AND CONTINUE FOR THE NEXT DAY OR SO. ON THIS TRACK...THE CENTER OF
ALEX WILL CONTINUE MOVING INLAND OVER NORTHEASTERN MEXICO TODAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140 KM/HR...
WITH HIGHER GUSTS. ALEX IS A CATEGORY ONE HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL WEAKENING WILL
OCCUR AS THE TROPICAL CYCLONE MOVES INLAND...AND ALEX IS EXPECTED
TO WEAKEN TO A TROPICAL STORM LATER TODAY AND DISSIPATE OVER MEXICO
BY FRIDAY.
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...MAINLY NORTH AND EAST OF THE CENTER. AN AUTOMATED
MEXICAN NAVY STATION AT LA PESCA RECENTLY REPORTED A SUSTAINED WIND
OF 35 MPH...57 KM/HR...AND A GUST TO 53 MPH...86 KM/HR.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 960 MB...28.35 INCHES.
HAZARDS AFFECTING LAND
----------------------
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 IN NORTHEASTERN MEXICO. TROPICAL STORM
CONDITIONS ARE OCCURRING WITHIN THE TROPICAL STORM WARNING AREAS
OVER SOUTH TEXAS AND NORTHEASTERN MEXICO. THESE WINDS WILL
DECREASE LATER TODAY.
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 LATER
TODAY.
TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF EXTREME
SOUTHERN TEXAS OVERNIGHT.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...400 AM CDT.