Post by NHC Olney Maryland on Jun 29, 2010 12:18:59 GMT -5
BULLETIN
TROPICAL STORM ALEX INTERMEDIATE ADVISORY NUMBER 15A
NWS TPC/NATIONAL HURRICANE CENTER OLNEY MD AL012010
700 AM CDT TUE JUN 29 2010
...HURRICANE HUNTER AIRCRAFT FINDS ALEX MOVING FASTER TOWARD THE
NORTH-NORTHWEST...
SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...22.5N 92.7W
ABOUT 335 MI...540 KM ESE OF LA PESCA MEXICO
ABOUT 380 MI...610 KM SE OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/HR
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 12 MPH...19 KM/HR
MINIMUM CENTRAL PRESSURE...983 MB...29.03 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 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 TROPICAL STORM WARNING IN IN EFFECT FOR...
* THE COAST OF TEXAS FROM BAFFIN BAY TO PORT OCONNOR
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
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 700 AM CDT...1200 UTC...THE CENTER OF TROPICAL STORM ALEX WAS
LOCATED NEAR LATITUDE 22.5 NORTH...LONGITUDE 92.7 WEST. ALEX IS NOW
MOVING TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...19 KM/HR. A TURN
TOWARD THE NORTHWEST IS EXPECTED LATER TODAY...FOLLOWED BY A
GRADUAL TURN TOWARD THE WEST-NORTHWEST ON WEDNESDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48
HOURS...AND ALEX IS LIKELY TO BECOME A HURRICANE LATER TODAY.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...
165 KM...MAINLY NORTHEAST THROUGH SOUTHEAST OF THE CENTER. A
MEXICAN NAVY AUTOMATED STATION AT CAYO ARENAS RECENTLY REPORTED A
WIND GUST OF 68 MPH...109 KM/HR.
THE MINIMUM CENTRAL PRESSURE JUST REPORTED BY THE HURRICANE HUNTER
IS 983 MB...29.03 INCHES.
HAZARDS AFFECTING LAND
----------------------
RAINFALL...ALEX IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL
ACCUMULATIONS OF 5 TO 10 INCHES OVER PORTIONS OF NORTHEASTERN
MEXICO AND SOUTHERN TEXAS DURING THE NEXT FEW DAYS. ADDITIONAL
RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE OVER PORTIONS
OF SOUTHERN MEXICO THROUGH TODAY. THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN
MOUNTAINOUS TERRAIN.
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO APPROACH THE COAST
WITHIN THE HURRICANE AND TROPICAL STORM WARNING AREAS ON
WEDNESDAY...MAKING OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS.
STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY
AS MUCH AS 3 TO 5 FEET ABOVE GROUND LEVEL ALONG THE IMMEDIATE
COAST NEAR AND TO THE NORTH OF WHERE THE CENTER MAKES LANDFALL. THE
SURGE COULD PENETRATE INLAND AS FAR AS SEVERAL MILES FROM THE SHORE
WITH DEPTH GENERALLY DECREASING AS THE WATER MOVES INLAND. NEAR
THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE
WAVES.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1000 AM CDT.
TROPICAL STORM ALEX INTERMEDIATE ADVISORY NUMBER 15A
NWS TPC/NATIONAL HURRICANE CENTER OLNEY MD AL012010
700 AM CDT TUE JUN 29 2010
...HURRICANE HUNTER AIRCRAFT FINDS ALEX MOVING FASTER TOWARD THE
NORTH-NORTHWEST...
SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...22.5N 92.7W
ABOUT 335 MI...540 KM ESE OF LA PESCA MEXICO
ABOUT 380 MI...610 KM SE OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/HR
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 12 MPH...19 KM/HR
MINIMUM CENTRAL PRESSURE...983 MB...29.03 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 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 TROPICAL STORM WARNING IN IN EFFECT FOR...
* THE COAST OF TEXAS FROM BAFFIN BAY TO PORT OCONNOR
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
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 700 AM CDT...1200 UTC...THE CENTER OF TROPICAL STORM ALEX WAS
LOCATED NEAR LATITUDE 22.5 NORTH...LONGITUDE 92.7 WEST. ALEX IS NOW
MOVING TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...19 KM/HR. A TURN
TOWARD THE NORTHWEST IS EXPECTED LATER TODAY...FOLLOWED BY A
GRADUAL TURN TOWARD THE WEST-NORTHWEST ON WEDNESDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48
HOURS...AND ALEX IS LIKELY TO BECOME A HURRICANE LATER TODAY.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...
165 KM...MAINLY NORTHEAST THROUGH SOUTHEAST OF THE CENTER. A
MEXICAN NAVY AUTOMATED STATION AT CAYO ARENAS RECENTLY REPORTED A
WIND GUST OF 68 MPH...109 KM/HR.
THE MINIMUM CENTRAL PRESSURE JUST REPORTED BY THE HURRICANE HUNTER
IS 983 MB...29.03 INCHES.
HAZARDS AFFECTING LAND
----------------------
RAINFALL...ALEX IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL
ACCUMULATIONS OF 5 TO 10 INCHES OVER PORTIONS OF NORTHEASTERN
MEXICO AND SOUTHERN TEXAS DURING THE NEXT FEW DAYS. ADDITIONAL
RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE OVER PORTIONS
OF SOUTHERN MEXICO THROUGH TODAY. THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN
MOUNTAINOUS TERRAIN.
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO APPROACH THE COAST
WITHIN THE HURRICANE AND TROPICAL STORM WARNING AREAS ON
WEDNESDAY...MAKING OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS.
STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY
AS MUCH AS 3 TO 5 FEET ABOVE GROUND LEVEL ALONG THE IMMEDIATE
COAST NEAR AND TO THE NORTH OF WHERE THE CENTER MAKES LANDFALL. THE
SURGE COULD PENETRATE INLAND AS FAR AS SEVERAL MILES FROM THE SHORE
WITH DEPTH GENERALLY DECREASING AS THE WATER MOVES INLAND. NEAR
THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE
WAVES.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1000 AM CDT.