Mike Wilhelm's Alabama Weather Blog

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Bamawx.com

HURRICANE DOLLY INTERMEDIATE ADVISORY NUMBER  13A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL042008
1200 PM CDT WED JUL 23 2008

...DOLLY HESITATES...EYEWALL OF DOLLY CROSSING SOUTH PADRE ISLAND...

A HURRICANE WARNING REMAINS IN EFFECT FOR THE COAST OF TEXAS FROM
BROWNSVILLE TO CORPUS CHRISTI...AND FOR THE NORTHEASTERN COAST OF
MEXICO FROM RIO SAN FERNANDO NORTHWARD TO THE BORDER BETWEEN MEXICO
AND THE UNITED STATES.  PREPARATIONS TO PROTECT LIFE AND PROPERTY
SHOULD BE RUSHED TO COMPLETION.

A TROPICAL STORM WARNING REMAINS IN EFFECT FROM NORTH OF CORPUS
CHRISTI TO PORT O'CONNOR.

A TROPICAL STORM WARNING AND A HURRICANE WATCH ARE IN EFFECT FROM LA
PESCA TO SOUTH OF RIO SAN FERNANDO.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.

AT 1200 PM CDT...1700Z...THE EYE OF HURRICANE DOLLY WAS LOCATED
NEAR LATITUDE 26.2 NORTH...LONGITUDE 97.0 WEST OR ABOUT 35 MILES...
60 KM...NORTHEAST OF BROWNSVILLE TEXAS.

DOLLY HAS BEEN MEANDERING FOR THE PAST HOUR OR SO BUT IT SHOULD
BEGIN TO MOVE TOWARD THE WEST-NORTHWEST NEAR 7 MPH...11 KM/HR SOON. 
ON THE FORECAST TRACK...THE EYE OF HURRICANE DOLLY WILL BE CROSSING
THE COAST ALONG THE SOUTHERN TEXAS COAST IN A COUPLE OF HOURS.
PERSONS ARE ADVISED NOT TO VENTURE OUTDOORS DURING THE RELATIVE
CALM OF THE EYE BECAUSE WINDS WILL SOON INCREASE QUITE RAPIDLY.

MAXIMUM SUSTAINED WINDS REMAIN NEAR 100 MPH...160 KM/HR...WITH
HIGHER GUSTS.  DOLLY IS A CATEGORY TWO HURRICANE ON THE
SAFFIR-SIMPSON SCALE. STRONGER WINDS...ESPECIALLY IN GUSTS...ARE
LIKELY ON HIGH RISE BUILDINGS. NO SIGNIFICANT CHANGE IN STRENGTH 
IS EXPECTED BEFORE LANDFALL WITH A GRADUAL WEAKENING THEREAFTER.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM. PORT ISABEL AIRPORT JUST MEASURED 58 MPH...92 KM/HR
SUSTAINED WINDS WITH GUSTS TO 70 MPH...113 KM/HR. 

MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RECONNAISSANCE
PLANE WAS IS 967 MB...28.56 INCHES.

DOLLY IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 8 TO 12
INCHES...WITH ISOLATED AMOUNTS OF 20 INCHES...OVER PORTIONS OF
SOUTH TEXAS AND NORTHEASTERN MEXICO OVER THE NEXT FEW DAYS.  THESE
RAINS WILL LIKELY CAUSE WIDESPREAD FLOODING ACROSS PORTIONS OF
SOUTH TEXAS AND NORTHEAST MEXICO.

COASTAL STORM SURGE FLOODING OF 6 TO 8 FEET ABOVE NORMAL TIDE
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE
EXPECTED NEAR AND TO THE NORTH OF WHERE THE CENTER MAKES LANDFALL.

ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF SOUTH TEXAS TODAY
AND TONIGHT.

REPEATING THE 1200 PM CDT POSITION...26.2 N...97.0 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 7 MPH.  MAXIMUM SUSTAINED WINDS...100
MPH. MINIMUM CENTRAL PRESSURE...967 MB.

AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 200 PM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 400
PM CDT.

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FORECASTER AVILA