PUBLIC ADVISORY NUMBER 21 FOR TROPICAL DEPRESSION DOLLY
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD AL042008
1000 AM CDT FRI JUL 25 2008       

...TROPICAL DEPRESSION DOLLY MOVING JUST SOUTH OF THE TEXAS BIG
BEND...

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING INLAND
WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL
WEATHER SERVICE OFFICE.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR
BREWSTER...PRESIDIO...JEFF DAVIS...PECOS...AND TERRELL COUNTIES
THROUGH THIS EVENING.

AT 1000 AM CDT...1500Z...THE TROPICAL DEPRESSION WAS LOCATED NEAR
THE TEXAS/MEXICO BORDER...JUST TO THE SOUTH OF THE BIG BEND NEAR
LATITUDE 29.2 NORTH...LONGITUDE 104.4 WEST OR 25 MILES...40 KM
SOUTH OF PRESIDIO TEXAS.

THE DEPRESSION IS MOVING WEST-NORTHWEST AT 14 MPH...22 KM/HR...AND
THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24
HOURS.
 
BASED UPON DOPPLER RADAR VELOCITY DATA AND UPPER AIR DATA FROM
SOUTHWEST TEXAS...MAXIMUM SUSTAINED WINDS ARE 30 MPH...50
KM/HR...WITH GUSTS TO 40 MPH...65 KM/HR.  CONTINUED WEAKENING IS
EXPECTED...WITH DOLLY EXPECTED TO DEGENERATE INTO A SURFACE TROUGH
LATER TODAY. 

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES.

SELECTED STORM TOTAL RAINFALL AMOUNTS IN INCHES...

...TEXAS...

SAN MANUEL......................12.00
RANCHO VIEJO 3 SE................9.67
BROWNSVILLE 4.6 NNW..............8.62
MCALLEN 3 NW.....................8.59
LA JOYA 11 N.....................7.17
CORPUS CHRISTI 4 W...............6.83
FLOUR BLUFF 1.6 SW...............6.46
HILSHIRE VILLAGE 1 SE............6.00
KINGSVILLE 6.5 SSE...............5.80
HARLINGEN........................5.77


TROPICAL DEPRESSION DOLLY IS EXPECTED TO CONTINUE TO MOVE
GENERALLY TOWARDS THE WEST TO WEST-NORTHWEST TO THE SOUTH OF THE
TEXAS/MEXICO BORDER DURING THE DAY FRIDAY.  RAINFALL AMOUNTS OF 1
TO 3 INCHES ARE EXPECTED OVER SOUTHWEST TEXAS AND NORTHEASTERN
MEXICO...WITH ISOLATED HEAVIER TOTALS POSSIBLE OVER THE HIGHER
TERRAIN OF NORTHEASTERN MEXICO AND WESTERN TEXAS DURING THE NEXT
24 HOURS.  THESE RAINS MAY PRODUCE FLASH FLOODING.

REPEATING THE 1000 AM CDT POSITION...29.2 NORTH...104.4
WEST...MOVEMENT TOWARD THE WEST-NORTHWEST AT 14 MPH. MAXIMUM
SUSTAINED WINDS...30 MPH. MINIMUM CENTRAL PRESSURE...1003 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 400 PM CDT.

ROTH