Hurricane Alex

Public Advisory 23A



000
WTNT31 KNHC 011130
TCPAT1
BULLETIN
TROPICAL STORM ALEX INTERMEDIATE ADVISORY NUMBER 23A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012010
700 AM CDT THU JUL 01 2010

...ALEX WEAKENS TO A TROPICAL STORM AS IT MOVES NEAR THE HIGH
MOUNTAINS OF MEXICO...


SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...23.8N 99.8W
ABOUT 55 MI...85 KM W OF CIUDAD VICTORIA MEXICO
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/HR
PRESENT MOVEMENT...W OR 260 DEGREES AT 12 MPH...19 KM/HR
MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

THE GOVERNMENT OF MEXICO HAS REPLACED THE HURRICANE WARNING WITH A
TROPICAL STORM WARNING FOR THE COAST OF MEXICO FROM RIO SAN
FERNANDO TO LA CRUZ.

THE GOVERNMENT OF MEXICO HAS DISCONTINUED THE TROPICAL STORM WARNING
FOR THE COAST OF MEXICO SOUTH OF LA CRUZ TO CABO ROJO AND NORTH OF
RIO SAN FERNANDO TO THE MOUTH OF THE RIO GRANDE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IN IN EFFECT FOR...
* THE COAST OF MEXICO FROM RIO SAN FERNANDO TO LA CRUZ

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 23.8 NORTH...LONGITUDE 99.8 WEST. ALEX IS
MOVING TOWARD THE WEST NEAR 12 MPH...19 KM/HR...AND THIS MOTION IS
EXPECTED TO CONTINUE FOR THE NEXT DAY OR SO. ON THE FORECAST
TRACK...ALEX WILL CONTINUE MOVING INLAND OVER NORTHEASTERN MEXICO
TODAY.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 70 MPH...110 KM/HR
...WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST AS ALEX
CONTINUES TO MOVE INLAND. ALEX IS EXPECTED TO WEAKEN TO A TROPICAL
DEPRESSION LATER TODAY AND DISSIPATE IN THE NEXT 24 TO 36 HOURS.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335
KM...MAINLY TO EAST OF THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 977 MB...28.85 INCHES.


HAZARDS AFFECTING LAND
----------------------
RAINFALL...ALEX IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 6 TO 12 INCHES OVER PORTIONS OF NORTHEASTERN MEXICO. ISOLATED
MAXIMUM AMOUNTS OF 20 INCHES ARE POSSIBLE OVER THE HIGHER
ELEVATIONS OF NORTHEASTERN MEXICO. THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN
MOUNTAINOUS TERRAIN.

ALEX IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8
INCHES OVER PORTIONS OF SOUTHERN TEXAS...WITH POSSIBLE ISOLATED
MAXIMUM AMOUNTS AROUND 10 INCHES. THESE RAINFALL AMOUNTS COULD
CAUSE LIFE-THREATENING FLASH FLOODS.

WIND...TROPICAL STORM CONDITIONS ARE OCCURRING WITHIN THE TROPICAL
STORM WARNING AREAS AND INLAND NEAR THE CENTER. THESE WINDS WILL
GRADUALLY DECREASE TODAY.

STORM SURGE...THE STORM TIDE AND WAVES ARE GRADUALLY DIMINISHING.

TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF EXTREME
SOUTHERN TEXAS TODAY.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1000 AM CDT.

$$
FORECASTER BLAKE/AVILA