River Flood Warning 12, NWS Philadelphia/Mount Holly

Issued

Aug 13, 2009, 9:13 AM EDT (13:13 UTC)

In effect from

Aug 13, 2009, 12:16 PM EDT

Expired

Aug 13, 2009, 2:17 PM EDT

In force

2 hr

Issued by

NWS Philadelphia/Mount Holly

Flood severity

Minor

Counties Chester County, PA, Delaware County, PA

The Philadelphia radar (KDIX), 99 km from the middle of the area, began a volume at 13:13 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.

Written for the forecast point Brandywine Creek at Chadds Ford (CDFP1). The gauge peaked at 7.69 ft at Aug 13, 2009, 1:00 PM EDT.

Action stage

8 ft

Minor stage

9 ft

Moderate stage

11 ft

Major stage

13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01481000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

000 
WGUS41 KPHI 131313
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
913 AM EDT THU AUG 13 2009

...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD 
WARNING FOR THE FOLLOWING RIVERS IN PENNSYLVANIA... 

  BRANDYWINE CREEK AT CHADDS FORD AFFECTING CHESTER AND DELAWARE 
  COUNTIES

PAC029-045-131913-
/O.NEW.KPHI.FL.W.0012.090813T1616Z-090814T0656Z/
/CDFP1.1.ER.090813T1616Z.090813T1800Z.090814T0056Z.NO/
913 AM EDT THU AUG 13 2009

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE BRANDYWINE CREEK AT CHADDS FORD.
* FROM THIS AFTERNOON TO LATE TONIGHT...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 9:00 AM THURSDAY THE STAGE WAS 5.8 FEET. 
* MINOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE LATE THIS MORNING. CREST
  NEAR 10.7 FEET THIS AFTERNOON. FALL BELOW FLOOD STAGE THIS EVENING.
* IMPACT...AT 10.0 FEET...THE INTERSECTION OF CREEK ROAD AND ROUTE
  926 NEAR POCOPSON FLOODS UPSTREAM OF CHADDS FORD.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  CHADDS FORD      9.0    5.76  THU 9 AM    10.7  THU 2 PM 

&&

000 
WGUS81 KPHI 131817
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
217 PM EDT THU AUG 13 2009

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...
 
  BRANDYWINE CREEK AT CHADDS FORD AFFECTING CHESTER AND DELAWARE 
  COUNTIES

...SIGNIFICANT RISES ON BRANDYWINE CREEK AT AND DOWNSTREAM FROM
   CHADDS FORD BUT FLOODING IS NO LONGER EXPECTED...

PAC029-045-131847-
/O.CAN.KPHI.FL.W.0012.000000T0000Z-090814T0656Z/
/CDFP1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
217 PM EDT THU AUG 13 2009

* AT  2:00 PM THURSDAY THE STAGE WAS 7.5 FEET. 
* NO FLOODING IS CURRENTLY FORECAST.
* FLOOD STAGE IS 9.0 FEET. 
* THE BRANDYWINE CREEK AT CHADDS FORD CRESTED AT A LEVEL OF
  APPROXIMATELY 7.7 FEET AT 1 PM THURSDAY. THE STAGE AT CHADDS
  FORD IS EXPECTED TO CONTINUE FALLING THROUGH THE AFTERNOON AND
  EVENING HOURS.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  CHADDS FORD      9.0    7.52  THU 2 PM      

&&

River Flood Warnings in Pennsylvania, 2009Every river flood warning in 2009

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