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Remnants of ALLISON Advisory Number 46
 
Issued 21:00Z Jun 16, 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 46 FOR THE REMAINS OF "ALLISON" 
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER...NWS...CAMP SPRINGS MD
500 PM EDT SAT JUN 16 2001

AT 4 PM EST...THE SURFACE LOW ASSOCIATED WITH THE REMAINS OF "ALLISON"
WAS LOCATED AT 37.6N 75.6W...ON THE SOUTHERN DELMARVA PENINSULA...OR
NEAR ACCOMACK, VIRGINIA.  DURING THE PAST 6 HOURS...THE CENTER OF THIS
SYSTEM HAS AMBLED SLOWLY NORTH-NORTHEASTWARD AT 8 MPH.  DURING
THE PAST FEW HOURS...WINDS IN THE VICINITY OF THIS SYSTEM WERE GENERALLY
10 MPH...ALTHOUGH SOME WINDS IN THE 20 TO 25 MPH RANGE HAVE BEEN
RECORDED BY OFFSHORE BUOYS EAST OF THE VIRGINIA COAST.  THE ESTIMATED CENTRAL
PRESSURE OF THE SYSTEM REMAINS 1007 MB...OR 29.74 INCHES OF MERCURY. 
CONTINUED MOTION UP THE ATLANTIC COAST IS EXPECTED INTO TOMORROW.
 A COLD FRONT CURRENTLY MOVING THROUGH THE APPALACHIANS WILL
ACCELERATE THE REMAINS OF "ALLISON"...AND HELP FOCUS ADDITIONAL RAINS
FROM THIS SYSTEM.

HEAVY RAINS HAVE BEEN FALLING TO THE NORTH OF THE SURFACE LOW...AND
FROM CENTRAL NEW YORK SOUTHWARD TO THE VIRGINIA MOUNTAINS...NEAR
THE SURFACE COLD FRONT.

THIS SYSTEM CONTINUES GENERATING HEAVY RAINS...6-HOUR DOPPLER RADAR
ESTIMATES RAINS GREATER THAN TWO INCHES HAVE FALLEN IN SOME SPOTS IN
THE MOUNTAINS OF CENTRAL AND SOUTHWEST PENNSYLVANIA...AND OF
COURSE SOUTHEASTERN VIRGINIA AND EXTREME NORTHEASTERN NORTH
CAROLINA...WHERE RAINFALL ACCUMULATIONS AS GREAT AS 4 INCHES HAVE
OCCURRED.
 
FLASH FLOOD WATCHES AND FLOOD STATEMENTS PRESENTLY COVER AN AREA
EXTENDING FROM NORTHEASTERN NORTH CAROLINA NORTHWARD
THROUGH...NORTHERN AND PARTS OF EASTERN VIRGINIA...MOST OF
MARYLAND...NORTHERN DELAWARE..THE SOUTHERN TWO-THIRDS OF EASTERN
PENNSYLVANIA...NORTHWESTERN NEW JERSEY...INTO ORANGE AND ROCKLAND
COUNTIES IN NEW YORK STATE.  A COUPLE OF SEVERE THUNDERSTORM
WARNINGS HAVE BEEN ISSUED IN SOUTHERN NORTH CAROLINA THIS AFTERNOON.

LATE THIS MORNING...FLASH FLOODING HAD RENDERED MANY ROADS
IMPASSABLE NEAR WINDSOR, NORTH CAROLINA. A NUMBER OF FLOOD STATEMENTS STILL
COVER AREAS PREVIOUSLY DRENCHED BY THE REMAINS OF "ALLISON."  PARTS OF EAST
TEXAS AND SOUTHERN LOUISIANA REMAIN UNDER ADVISORIES.
     
SELECTED 6 HOUR RAINFALL TOTALS INCLUDE:

NORTH CAROLINA (THROUGH 2 PM EDT, IN INCHES)

ELIZABETH CITY........................0.13

VIRGINIA (THROUGH 2 PM EDT, IN INCHES)

NORFOLK...............................3.59
NEWPORT NEWS..........................1.28
RICHMOND..............................0.61
WASHINGTON NATIONAL AIRPORT...........0.59

MARYLAND (THROUGH 2 PM EDT, IN INCHES)

ANDREWS AIR FORCE BASE................0.23

PENNSYLVANIA (THROUGH 2 PM EDT, IN INCHES)

YORK..................................0.79
CLEARFIELD AIRPORT....................0.62
WILLOW GROVE NAVAL AIR STATION........0.49

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

MCELROY/ FORECAST OPERATIONS BRANCH