River Flood Warning 62, NWS Philadelphia/Mount Holly

Issued

Apr 16, 2011, 9:32 PM EDT (01:32 UTC)

Expired

Apr 17, 2011, 3:33 AM EDT

In force

6 hr

Issued by

NWS Philadelphia/Mount Holly

Flood severity

Moderate

County Delaware County, PA

The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 01:35 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 Chester Creek near Chester (CHSP1). The gauge peaked at 8.65 ft at Apr 16, 2011, 11:00 PM EDT.

Action stage

7 ft

Minor stage

8 ft

Moderate stage

10 ft

Major stage

14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01477000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

425 
WGUS41 KPHI 170132
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
932 PM EDT SAT APR 16 2011

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

  CHESTER CREEK NEAR CHESTER AFFECTING DELAWARE COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC045-170732-
/O.NEW.KPHI.FL.W.0062.110417T0132Z-110417T1120Z/
/CHSP1.2.ER.110417T0125Z.110417T0300Z.110417T0520Z.NO/
932 PM EDT SAT APR 16 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE CHESTER CREEK NEAR CHESTER.
* UNTIL SUNDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT  9:15 PM SATURDAY THE STAGE WAS 7.4 FEET. 
* FLOOD STAGE IS 8.0 FEET.
* MODERATE FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY TONIGHT AND CONTINUE TO RISE TO 
  NEAR 10.2 FEET BY TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE BY 
  AFTER MIDNIGHT TOMORROW.
* IMPACT...AT 10.5 FEET...FLOOD DAMAGE BEGINS IN THE CITY OF CHESTER.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

CHESTER CREEK
  CHESTER          8.0    7.39  SAT 9 PM    10.2  SAT 11 PM

&&

821 
WGUS81 KPHI 170733
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
333 AM EDT SUN APR 17 2011

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...
 
  CHESTER CREEK NEAR CHESTER AFFECTING DELAWARE COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC045-170803-
/O.CAN.KPHI.FL.W.0062.000000T0000Z-110417T1120Z/
/CHSP1.1.ER.110417T0137Z.110417T0231Z.110417T0405Z.NO/
333 AM EDT SUN APR 17 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE CHESTER CREEK NEAR CHESTER.
* AT 3:15 AM SUNDAY THE STAGE WAS 6.4 FEET AND FALLING. 
* FLOOD STAGE IS 8.0 FEET. 
* FELL BELOW FLOOD STAGE AT 12:05 AM SUNDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 4.8 FEET BY TOMORROW 
  MORNING.


$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

CHESTER CREEK
  CHESTER          8.0    6.38  SUN 3 AM     CRESTED AND FALLING 

&&

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.