River Flood Warning 217, NWS Philadelphia/Mount Holly

Issued

Dec 7, 2011, 9:41 PM EST (02:41 UTC)

In effect from

Dec 7, 2011, 10:41 PM EST

Expired

Dec 8, 2011, 2:29 AM EST

In force

4 hr

Issued by

NWS Philadelphia/Mount Holly

Flood severity

Minor

County Delaware County, PA

The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 02:43 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 8.09 ft at Dec 8, 2011, 12:00 AM EST.

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.

149 
WGUS41 KPHI 080241
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
941 PM EST WED DEC 7 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.

&&

PAC045-080841-
/O.NEW.KPHI.FL.W.0217.111208T0341Z-111208T1443Z/
/CHSP1.1.ER.111208T0341Z.111208T0600Z.111208T0843Z.NO/
941 PM EST WED DEC 7 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE CHESTER CREEK NEAR CHESTER.
* UNTIL THURSDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT  9:31 PM WEDNESDAY THE STAGE WAS 6.3 FEET. 
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE TONIGHT AND CONTINUE TO RISE TO 
  NEAR 9.0 FEET AFTER MIDNIGHT TONIGHT. THE RIVER WILL FALL BELOW 
  FLOOD STAGE EARLY 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    6.26  WED 10 PM    9.0    THU 1 AM 

&&

510 
WGUS81 KPHI 080729
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
229 AM EST THU DEC 8 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.

&&

PAC045-080759-
/O.CAN.KPHI.FL.W.0217.000000T0000Z-111208T1443Z/
/CHSP1.1.ER.111208T0435Z.111208T0445Z.111208T0537Z.NO/
229 AM EST THU DEC 8 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE CHESTER CREEK NEAR CHESTER.
* AT 2:15 AM THURSDAY THE STAGE WAS 7.5 FEET. 
* FLOOD STAGE IS 8.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 4.3 FEET BY TOMORROW 
  MORNING.
* 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    7.51  THU 2 AM    

&&

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.