River Flood Warning 196, NWS Philadelphia/Mount Holly

Issued

Sep 23, 2011, 11:58 PM EDT (03:58 UTC)

Expired

Sep 24, 2011, 4:48 AM EDT

In force

5 hr

Issued by

NWS Philadelphia/Mount Holly

Flood severity

Moderate

County Chester County, PA

The Philadelphia radar (KDIX), 114 km from the middle of the area, began a volume at 04:02 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 East Branch Brandywine Creek below Downingtown (DWNP1). The gauge peaked at 9.86 ft at Sep 24, 2011, 1:00 AM EDT.

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.

748 
WGUS41 KPHI 240358
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1158 PM EDT FRI SEP 23 2011

...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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

PAC029-240958-
/O.NEW.KPHI.FL.W.0196.110924T0358Z-110924T1451Z/
/DWNP1.2.ER.110924T0249Z.110924T0500Z.110924T0851Z.NO/
1158 PM EDT FRI SEP 23 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* UNTIL SATURDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 11:45 PM FRIDAY THE STAGE WAS 9.3 FEET AND SLOWLY RISING. 
* FLOOD STAGE IS 7.0 FEET.
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 9.7 FEET EARLY
  SATURDAY MORNING AND SHOULD FALL BELOW FLOOD STAGE LATER 
  SATURDAY MORNING.


$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  DOWNINGTOWN      7.0    9.26  SAT 12 AM    9.7  SAT 1 AM 

&&

130 
WGUS81 KPHI 240848
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
448 AM EDT SAT SEP 24 2011

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

PAC029-240918-
/O.CAN.KPHI.FL.W.0196.000000T0000Z-110924T1451Z/
/DWNP1.2.ER.110924T0249Z.110924T0516Z.110924T0759Z.NO/
448 AM EDT SAT SEP 24 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* AT  4:30 AM SATURDAY THE STAGE WAS 6.3 FEET. 
* FLOOD STAGE IS 7.0 FEET.
* FELL BELOW FLOOD STAGE AT  3:59 AM SATURDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 3.8 FEET BY SUNDAY 
  MORNING.


$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  DOWNINGTOWN      7.0    6.30  SAT 4 AM     CRESTED AND FALLLING 

&&

River Flood Warnings in Pennsylvania, 2011Every river flood warning in 2011

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.