Alert archive / Pennsylvania / River Flood Warnings in 2009

River Flood Warning 10, NWS Philadelphia/Mount Holly

August 2, 2009Chester County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Aug 2, 2009, 4:21 PM EDT for Chester County, Pennsylvania. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Aug 2, 2009, 4:21 PM EDT (20:21 UTC)
Expired
Aug 2, 2009, 5:17 PM EDT
In force
56 min
Issued by
NWS Philadelphia/Mount Holly
Flood severity
Minor

County Chester County, PA

The river

Written for the forecast point East Branch Brandywine Creek below Downingtown (DWNP1).

Action stage
6 ft
Minor stage
7 ft
Moderate stage
9 ft
Major stage
11 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01480870, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS41 KPHI 022022
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
421 PM EDT SUN AUG 02 2009

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

  EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN AFFECTING CHESTER 
  COUNTY

...MINOR FLOODING IS OCCURRING AND FORECAST...

PAC029-030221-
/O.NEW.KPHI.FL.W.0010.090802T2021Z-000000T0000Z/
/DWNP1.1.ER.090802T1945Z.090802T1945Z.000000T0000Z.NO/
421 PM EDT SUN AUG 02 2009

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR THE EAST BRANCH BRANDYWINE CREEK BELOW
  DOWNINGTOWN.
* UNTIL FURTHER NOTICE...OR UNTIL THE WARNING IS CANCELLED.
* AT 3:45 PM SUNDAY THE STAGE WAS 7.0 FEET. 
* FLOOD STAGE IS 7.0 FEET. 
* THE CREEK IS CURRENTLY CRESTING...WATER LEVELS WILL FALL
  THROUGH THE EVENING HOURS.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  DOWNINGTOWN      7.0    7.00  SUN 4 PM      CURRENTLY CRESTING     
  
&&

RPW
1 follow-up statement
000 
WGUS81 KPHI 022117
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
517 PM EDT SUN AUG 02 2009

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVER IN 
PENNSYLVANIA...
 
  EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN AFFECTING CHESTER 
  COUNTY

PAC029-022147-
/O.CAN.KPHI.FL.W.0010.000000T0000Z-090802T2117Z/
/DWNP1.1.ER.090802T1945Z.090802T2015Z.090802T2036Z.NO/
517 PM EDT SUN AUG 02 2009

* AT 5:10 PM SUNDAY THE STAGE WAS 6.7 FEET. 
* FLOOD STAGE IS 7.0 FEET. 
* THE CREEK HAS CRESTED AND IS NOW FALLING.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  DOWNINGTOWN      7.0   6.67  SUN 510 PM     CRESTED AT 7.09
                                              IS NOW FALLING       

&&

RPW

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 2, 2:19 AM EDTFlash Flood WatchPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more13 hr
Aug 2, 3:29 AM EDTAreal Flood AdvisoryPHIBerks3 hr
Aug 2, 5:54 AM EDTAreal Flood AdvisoryPHIChester3 hr
Aug 2, 7:34 AM EDTAreal Flood AdvisoryPHIBucks, Montgomery, Philadelphia3 hr
Aug 2, 7:51 AM EDTAreal Flood WarningPHIChester4 hr
Aug 2, 9:04 AM EDTAreal Flood WarningPHIMontgomery, Philadelphia4 hr
Aug 2, 9:06 AM EDTFlash Flood WarningPHIBerks, Carbon, Chester, Lehigh, Monroe, Northampton4 hr
Aug 2, 10:08 AM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia9 hr
Aug 2, 10:08 AM EDTSevere Thunderstorm WarningPHIChester67 min
Aug 2, 10:24 AM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery66 min
Aug 2, 10:53 AM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia67 min
Aug 2, 11:14 AM EDTSevere Thunderstorm WarningPHIBucks, Lehigh, Montgomery, Northampton61 min
Aug 2, 11:25 AM EDTSevere Thunderstorm WarningPHIBucks, Montgomery, Philadelphia65 min
Aug 2, 11:48 AM EDTSevere Thunderstorm WarningPHIBucks57 min
Aug 2, 11:51 AM EDTTornado WarningPHIBucks24 min
Aug 2, 12:33 PM EDTRiver Flood WarningPHIBucks28 hr
Aug 2, 1:25 PM EDTAreal Flood WarningPHIMontgomery, Philadelphia6 hr
Aug 2, 4:06 PM EDTAreal Flood AdvisoryPHIBerks, Carbon, Lehigh, Monroe, Northampton4 hr
Aug 2, 4:22 PM EDTFlash Flood WarningPHIBerks2 hr
Aug 2, 6:15 PM EDTAreal Flood WarningPHIMontgomery, Philadelphia4 hr
Aug 2, 6:25 PM EDTAreal Flood WarningPHIPhiladelphia4 hr

Nearby

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

Sources

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