Flash Flood Warning 54, NWS Philadelphia/Mount Holly

Issued

Nov 5, 2003, 5:59 PM EST (22:59 UTC)

Expired

Nov 5, 2003, 9:00 PM EST

In force

3 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Counties, with a storm outline in the text

Counties Bucks County, PA, Chester County, PA, Montgomery County, PA

The Philadelphia radar (KDIX), 81 km from the middle of the area, began a volume at 23:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
WGUS51 KPHI 052303
FFWPHI
PAC017-029-091-060200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
559 PM EST WED NOV 5 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHESTER COUNTY IN SOUTHEAST PENNSYLVANIA
  SOUTHERN MONTGOMERY COUNTY IN SOUTHEAST PENNSYLVANIA   
  SOUTHERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA

* UNTIL 900 PM EST.

* AT 545 PM EST...WEATHER SERVICE RADAR INDICATED AN INCH TO
  AN INCH AND A HALF OF RAIN HAS FALLEN ACROSS THE WARNED AREA.
  ADDITIONAL THUNDERSTORMS WITH MORE HEAVY RAIN WERE 
  DEVELOPING IN CHESTER COUNTY AND SHOULD MOVE OVER THE SAME
  AREAS. STORM TOTALS SHOULD REACH BETWEEN TWO AND THREE INCHES
  AND THIS SHOULD BE ENOUGH TO START STREAM FLOODING IN THE AREA.
  IN ADDITION POOR DRAINAGE FLOODING IS ONGOING. FLOODING WAS
  REPORTED ALONG U.S. ROUTE 202 IN MONTGOMERYVILLE.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE
YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER
DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER
GROUND.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.

 
LAT...LON 4038 7498 4018 7480 4012 7530 3972 7596
          4001 7595

$$

TFG

000 
WGUS71 KPHI 060045
FFSPHI
NJC021-PAC017-029-091-060215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
737 PM EST WED NOV 5 2003

...FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR CHESTER...MONTGOMERY...
BUCKS AND MERCER COUNTIES...

THE FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR CHESTER... 
MONTGOMERY...BUCKS AND MERCER COUNTIES. THE HEAVIEST RAIN HAS
MOVED AWAY FROM THE WARNED COUNTIES. BUT RISES ON STREAMS 
ARE CONTINUING AND LEFTOVER POOR DRAINAGE FLOODING PERSISTED.

THE VALLEY CREEK IN CHESTER COUNTY SHOULD BE CRESTING CLOSE TO ITS
SEVEN FOOT FLOOD STAGE DURING THE NEXT HOUR. SIGNIFICANT BUT WITHIN 
BANKFULL RISES ARE EXPECTED ALONG THE ASSUNPINK CREEK IN MERCER 
COUNTY AND THE NESHAMINY CREEK IN BUCKS COUNTY.  
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN THE WATER BEGINS RISING.
AVOID ROADS THAT ARE PRONE TO POOR DRAINAGE FLOODING. FALLEN LEAVES 
WILL EXACERBATE THE FLOODING AS THEY WILL EITHER CLOG OR IMPEDE THE 
FLOW OF WATER INTO CATCH BASINS. 

STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA FOR THE LATEST 
WEATHER INFORMATION.

$$

TFG

Flash Flood Warnings in Pennsylvania, 2003Every flash flood warning in 2003

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.