HPC Storm Summary #14 for T.D. Allison




STORM SUMMARY NUMBER 14 FOR THE REMNANTS OF T.D. "ALLISON" 
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER...NWS...CAMP SPRINGS MD
500 PM EDT FRI JUN 08 2001

REMNANTS OF T.D. ALLISON CONTINUE TO SINK SLOWLY SOUTH-
SOUTHWESTWARD...SOAKING ALREADY WATERLOGGED EAST TEXAS AND
LOUISIANA...

AT 100 PM CDT...THE SURFACE LOW ASSOCIATED WITH THE REMNANTS OF
TROPICAL DEPRESSION "ALLISON" WAS LOCATED NEAR 30.0N 96.3W...OR JUST
SOUTH OF BRENHAM, TEXAS.  THIS SYSTEM CONTINUES TO PLOD ALMOST
DIRECTLY SOUTHWARD...COAXED ALONG BY WEAK STEERING FLOW BETWEEN TWO
MID-LEVEL HIGH PRESSURE SYSTEMS.  THE RIDGE TO THE NORTH IS FORECAST BY
NUMERICAL MODELS TO BE SLIGHTLY STRONGER...THUS...CONTINUED VERY SLOW MOTION
TOWARD THE SOUTH IS EXPECTED TO CONTINUE.  THE ESTIMATED CENTRAL
PRESSURE OF THIS SYSTEM AT 100 PM CDT IS 1007 MB...OR 29.74 INCHES OF
MERCURY.  WINDS NEAR THE CENTER WERE GENERALLY 5 TO 15
MPH...ALTHOUGH SOME WINDS EAST OF THE CENTER IN THUNDERSTORMS WERE GREATER THAN
20 MPH.

FLASH FLOOD WATCHES AND WARNINGS STILL COVER A LOT OF REAL
ESTATE...STRETCHING FROM THE EASTERN THIRD OF TEXAS...THROUGH MOST
OF LOUISIANA...MOST OF SOUTHERN MISSISSIPPI...AND EXTREME SOUTHERN
ARKANSAS.  FLOOD WARNINGS ARE POSTED FOR RIVERS AND BAYOUS
SITUATED IN LOUISIANA...TEXAS...AND MISSISSIPPI.  ROADS CONTINUE TO BE CLOSED DUE TO
FLOODING...AND SOME AREAS HAVE HAD TO BE EVACUATED AS WELL.

PLACES THAT HAVE ALREADY BEEN INUNDATED BY THIS SYSTEM WILL
CONTINUE TO BE PLAGUED...LOUISIANA CONTINUES GETTING HAMMERED THIS
AFTERNOON...WITH A NUMBER OF FLASH FLOOD WARNINGS IN EFFECT.  THIS MORNING SOME PARTS
OF SOUTHEAST TEXAS REPORTED 48-HOUR TOTALS OF UP TO 10 TO 14 INCHES OF
RAIN. CURRENT RADAR IMAGERY SHOWS NUMEROUS SHOWERS AND
THUNDERSTORMS OCCURRING IN TEXAS TO THE NORTHWEST OF HOUSTON...IN
ASSOCIATION WITH THIS SYSTEM'S CIRCULATION CENTER.  PARTS OF EAST
TEXAS AND LOUISIANA CAN EXPECT RAINFALL RATES OF UP TO TWO INCHES PER HOUR
OVERNIGHT...WITH ISOLATED AMOUNTS OF FIVE TO TEN INCHES FALLING BY
MORNING.  THE REMNANTS OF "ALLISON" ARE STILL SPAWNING SOME SEVERE
WEATHER...A TORNADO WAS SIGHTED EARLIER THIS AFTERNOON IN
WAVELAND, MISSISSIPPI.

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

MCELROY/ FORECAST OPERATIONS BRANCH