HPC Storm Summary #16 for T.D. Allison




STORM SUMMARY NUMBER 16 FOR THE REMNANTS OF T.D. "ALLISON" 
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER...NWS...CAMP SPRINGS MD
500 AM EDT SAT JUN 09 2001

AN ELONGATED AREA OF LOW PRESSURE ASSOCIATED WITH THE REMNANTS OF
TROPICAL DEPRESSION "ALLISON" WAS CENTERED NEAR 29.4N 95.6 W...OR JUST
SOUTH OF THE HOUSTON METROPOLITAN AREA.  THE SYSTEM HAS BEEN
SLOWLY DRIFTING TO THE SOUTH.  LITTLE ADDITIONAL MOVEMENT IS EXPECTED OVER
THE NEXT 6 HOURS.  THE ESTIMATED CENTRAL PRESSURE HAS REMAINED STEADY
AT 1007 MB.  MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 10 TO 15  MPH
WITH SOME HIGHER GUSTS REPORTED TO THE SOUTH.

DOPPLER RADAR AT THIS HOUR INDICATES THAT MUCH OF THE HEAVIER
PRECIPITATION ASSOCIATED WITH THIS STORM IS CONFINED TO SOUTHEASTERN
TEXAS...NEAR THE HOUSTON METROPOLITAN AREA.  AT 3 AM CDT...HOUSTON
HOBBY AIRPORT HAD REPORTED 4.24 INCHES OF RAIN OVER THE PAST 2 HOURS.

NEW RECORD RAINFALL AMOUNTS WERE SET YESTERDAY AT EASTERWOOD
FIELD IN COLLEGE STATION, TX...ANGELINA COUNTY AIRPORT IN LUFKIN, TX...AND
BUSH INTERCONTINENTAL AIRPORT IN HOUSTON, TX...THERE SHATTERING THE
PREVIOUS RECORD BY MORE THAN 4 INCHES...A RECORD THAT HAD STOOD FOR 55 YEARS.

REPORTS OF ROAD CLOSURES AND EVACUATIONS DUE TO THE EXTENSIVE
FLOODING CONTINUE TO COME IN FROM EASTERN TEXAS...LOUISIANA...AND
SOUTHERN MISSISSIPPI.  AN ADDITIONAL 4 INCHES OF RAIN WITH LOCALLY
HEAVIER AMOUNTS IS POSSIBLE ACROSS SOUTHEASTERN TEXAS OVER THE NEXT 24 TO 30
HOURS...WITH LESSER AMOUNTS ACROSS THE SOUTHERN PARTS OF
LOUISIANA...MISSISSIPPI AND ALABAMA.

FLASH FLOOD WARNINGS ARE IN EFFECT FOR GALVESTON COUNTY IN
SOUTHEAST TEXAS UNTIL 630 AM CDT...BRAZORIA AND FORT BEND COUNTIES
IN SOUTHEAST TEXAS UNTIL 645 AM CDT...MONTGOMERY COUNTY IN
SOUTHEAST TEXAS UNTIL 700 AM...WALLER...GRIMES AND WASHINGTON COUNTIES IN
SOUTHEAST TEXAS UNTIL 715 AM CDT... AND FOR HARRIS COUNTY IN
SOUTHEAST TEXAS UNTIL 845 AM CDT.  IN ADDITION...FLOOD WARNINGS REMAIN POSTED
FOR SEVERAL RIVERS...STREAMS AND BAYOUS ACROSS EASTERN
TEXAS...LOUISIANA...AND SOUTHERN MISSISSIPPI...WHILE FLASH FLOOD
WATCHES CONTINUE THROUGH SATURDAY FOR MUCH OF THE REGION.

SOME SELECTED 12-HOUR RAIN AMOUNTS INCLUDE:

TEXAS (THROUGH 1 AM CDT, IN INCHES)

CONROE......................10.75
HOUSTON HOOKS................8.48
HOUSTON BUSH.................8.04
HOUSTON HOBBY................4.69
HOUSTON HULL.................2.56
HUNTSVILLE...................2.09
COLLEGE STATION..............1.43


LOUISIANA (THROUGH 1 AM CDT, IN INCHES)

SALT POINT...................2.46
SLIDELL......................2.13
NEW ORLEANS INTERNATIONAL....1.91
BATON ROUGE..................1.57


MISSISSIPPI (THROUGH 1 AM CDT, IN INCHES)

GULFPORT.....................1.79
PASCAGOULA...................1.50

THE NEXT STORM SUMMARY WILL BE ISSUED AT 11 AM EDT.

PEREIRA/ FORECAST OPERATIONS BRANCH