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Remnants of ALLISON Advisory Number 21
 
Issued 15:00Z Jun 10, 2001
 
Advisory Selection
View advisory number:  52   51   50   49   48   47   46   45   44   43   42   41   40   39   38   37   36   35   34   33   32   31   30   29   28   
27   26   25   24   23   22   21   20   19   18   17   16   15   14   13   12   11   10   9   8   7   6   5   

STORM SUMMARY NUMBER 21 FOR THE REMAINS OF T.D. "ALLISON" 
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER...NWS...CAMP SPRINGS MD
1100 AM EDT SUN JUN 10 2001

THE REDEVELOPING AREA OF LOW PRESSURE ASSOCIATED WITH THE
REMNANTS OF TROPICAL DEPRESSION "ALLISON" IS OFFSHORE OVER THE GULF OF MEXICO
60 MILES SOUTH OF THE UPPER TEXAS COAST...NEAR 28.8N 93.8W...OR 70 MILES
SOUTH-SOUTHWEST OF CAMERON LOUISIANA.  THE SYSTEM HAS BEEN
TRACKING STEADILY TO THE EAST-NORTHEAST AT 5 MPH DURING THE PAST 24
HOURS...AND THIS TRACK SHOULD CONTINUE INTO MONDAY. THERE HAS BEEN SOME
INDICATION OVER THE PAST HOUR THAT THE CENTER MAY BE RE-FORMING 60 MILES EAST
OF THIS LOCATION NEAR A CLUSTER OF STRONG THUNDERSTORMS CLOSER TO
92.5 LONGITUDE...WHICH WILL BE WATCHED. THE CENTER IS EXPECTED CROSS
THE COAST INTO THE LOWLANDS OF SOUTH CENTRAL AND SOUTHEAST LOUISIANA
AS SOON AS TONIGHT OR EARLY MONDAY MORNING.  MAXIMUM SUSTAINED
WINDS ARE 20 TO 25 MPH ACCORDING TO BUOYS...SHIP...AND OIL RIG REPORTS...MAINLY
EAST OF THE CENTER ACROSS THE NORTHWESTERN GULF OF MEXICO ALONG AND
OFFSHORE THE LOUISIANA COAST/OIL RIG FIELD.  THE ESTIMATED CENTRAL
PRESSURE HAS FALLEN TO 1006 MB...OR 29.70 INCHES.  

DOPPLER RADAR ESTIMATES THAT THE RAINFALL OVER THE PAST 24 HOURS
HAS BEEN CONCENTRATED IN THE MARSHES OF SOUTHERN LOUISIANA AND
JEFFERSON COUNTY IN TEXAS. ESTIMATED RAINFALL MAXIMA OF OVER 10 INCHES WERE
SPOTTED BETWEEN WINNIE AND STOWELL IN SOUTHEAST TEXAS....AS WELL AS
IN SOUTHERN LOUISIANA BETWEEN KAPLAN...ABBEVILLE...AND MARSH ISLAND.
ESTIMATED STORM TOTALS ARE NOW OVER 25 INCHES AND COVER EXTREME
SOUTHEAST TEXAS FROM WESTERN JEFFERSON COUNTY WESTWARD TO THE
HOUSTON METRO AREA...AND IN THE MARSHES/SALT DOMES OF SOUTHERN
VERMILLION AND ST. MARY PARISHES IN LOUISIANA.
 
NO FLASH FLOOD WARNINGS ARE IN EFFECT FOR LOUISIANA OR TEXAS AT THIS
TIME. FLASH FLOOD WATCHES REMAIN IN EFFECT IS A SWATH FROM EXTREME
SOUTHEASTERN TEXAS EASTWARD THROUGH SOUTHERN AND CENTRAL
LOUISIANA INTO SOUTHWEST MISSISSIPPI.  HOWEVER...RIVER FLOOD WARNINGS REMAIN IN
EFFECT FOR SOME OF THE SMALLER RIVERS...STREAMS AND BAYOUS ACROSS
SOUTHERN LOUISIANA AND SOUTHEAST TEXAS AS IT CAN TAKE DAYS AFTER A
RAIN EVENT FOR PRECIPITATION TO DRAIN INTO AREA RIVERS...AND REACH THEIR
PEAK.  SEVERAL RIVERS HAVE ALREADY CRESTED WELL ABOVE FLOOD STAGE AND
HAVE BEGUN RECEDING...WHILE OTHERS ARE FORECASTED TO CREST OVER THE NEXT
COUPLE DAYS.


SELECTED 24 HOUR RAINFALL TOTALS INCLUDE:

TEXAS (THROUGH 7 AM CDT, IN INCHES)

LAKE HOUSTON.................5.40
HOUSTON CLOVER FIELD.........5.21
BEAUMONT/PORT ARTHUR AP......2.66
LAKE LIVINGSTON..............2.15
ANAHUAC......................2.15
LAKE CONROE..................1.95

LOUISIANA (THROUGH 7 AM CDT, IN INCHES)

PATTERSON....................5.71
SALT POINT...................5.67
LAKE CHARLES.................2.54
GRAND ISLE...................2.20
HOUMA........................1.92
BOOTHVILLE...................1.81

SELECTED SIX DAY STORM TOTALS FOR ALLISON:
HOUSTON CLOVER FIELD........21.39
HOUSTON HOBBY TX............20.86
SALT POINT LA...............19.41
BATON ROUGE LA..............18.56
PATTERSON LA................15.22
LAFAYETTE LA................15.21

THE HURRICANE CENTER IS KEEPING A CLOSE EYE ON THIS SYSTEM AND MAY
DISPATCH RECONAISSANCE AIRCRAFT...IF NECESSARY...INTO THE NORTHWEST
GULF OF MEXICO THIS EVENING TO DETERMINE IF A TROPICAL DEPRESSION OR
TROPICAL STORM HAS REDEVELOPED FROM THIS LOW PRESSURE AREA.

THE NEXT STORM SUMMARY WILL BE ISSUED AT 5 PM EDT.

ROTH/ FORECAST OPERATIONS BRANCH