STORM SUMMARY NUMBER 20 FOR THE REMNANTS OF T.D. "ALLISON" 
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER...NWS...CAMP SPRINGS MD
500 AM EDT SUN JUN 10 2001

THE POORLY ORGANIZED...ELONGATED AREA OF LOW PRESSURE ASSOCIATED
WITH THE REMNANTS OF TROPICAL DEPRESSION "ALLISON" REMAINS
OFFSHORE...OVER THE GULF OF MEXICO WATERS...NEAR 28.5N 95.2W...OR EAST OF PALACIOUS,
TEXAS.  THIS POSITION IS SLIGHTLY TO THE SOUTH AND WEST OF THE PREVIOUS
POSITION. THE SYSTEM IS EXPECTED TO BEGIN A SLOW TREK EASTWARD DURING THE
NEXT SIX HOURS.  MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE BETWEEN 10
AND 15 MPH.  THE ESTIMATED CENTRAL PRESSURE HAS REMAINED STEADY NEAR
1007 MB.  DOPPLER RADAR IS CURRENTLY INDICATING THAT MUCH OF THE
PRECIPITATION ASSOCIATED WITH THIS SYSTEM HAS MOVED OFFSHORE. 
HOWEVER...AS THE SYSTEM BEGINS TO MOVE EASTWARD PRECIPITATION IS
LIKELY TO MOVE BACK ONSHORE...WITH THE POSSIBILITY OF PRODUCING AN
ADDITIONAL 5 TO 6 INCHES OF PRECIPITATION...WITH LOCALLY HEAVIER AMOUNTS...OVER
SOUTHEASTERN LOUISIANA OVER THE NEXT 24 HOURS.     LESSER AMOUNTS ARE
LIKELY OVER SOUTHERN MISSISSIPPI...ALABAMA...AND THE FLORIDA
PANHANDLE. THE SYSTEM SHOULD MOVE EAST ENOUGH TO SPARE SOUTHEASTERN TEXAS OF
ANY MORE EXCESSIVE RAINFALL AMOUNTS.

FLASH FLOOD WARNINGS ARE IN EFFECT FOR GALVESTON AND BRAZORIA
COUNTIES IN SOUTHEAST TEXAS UNTIL 430 AM CDT.  FLASH FLOOD WATCHES
REMAIN POSTED FROM SOUTHEASTERN TEXAS TO SOUTHERN MISSISSIPPI
THROUGH SUNDAY.  NUMEROUS FLOOD WARNINGS REMAIN IN EFFECT AS WELL
FOR SEVERAL RIVERS...STREAMS AND BAYOUS ACROSS THE REGION.  SEVERAL
RIVERS HAVE ALREADY CRESTED WELL ABOVE FLOOD STAGE AND HAVE BEGUN
RECEDING...WHILE OTHERS ARE FORECASTED TO CREST OVER THE NEXT FEW
DAYS.


SELECTED 30 HOUR RAINFALL TOTALS INCLUDE:

TEXAS (THROUGH 1 AM CDT, IN INCHES)

HOUSTON BUSH...............10.86
HOUSTON HOBBY..............10.55
HOUSTON HOOKS...............9.59
GALVESTON...................5.59
BEAUMONT/PORT ARTHUR........3.63

LOUISIANA (TOTAL THROUGH 1 AM CDT, IN INCHES)

SALT POINT...................9.37
PATTERSON....................5.82
NEW IBERIA...................2.52
LAKE CHARLES.................1.83

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

PEREIRA/ FORECAST OPERATIONS BRANCH