Alert archive / Pennsylvania / River Flood Warnings in 2013

River Flood Warning 13, NWS Philadelphia/Mount Holly

June 7, 2013Chester County, Delaware County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Jun 7, 2013, 9:48 PM EDT for Chester County, Delaware County, Pennsylvania. It took effect at Jun 7, 2013, 11:41 PM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 7, 2013, 9:48 PM EDT (01:48 UTC)
In effect from
Jun 7, 2013, 11:41 PM EDT
Expired
Jun 8, 2013, 3:24 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
Minor

Counties Chester County, PA, Delaware County, PA

The radar

The Philadelphia radar (KDIX), 99 km from the middle of the area, began a volume at 01:50 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.

The river

Written for the forecast point Brandywine Creek at Chadds Ford (CDFP1). The gauge peaked at 8.62 ft at Jun 8, 2013, 1:00 AM EDT.

actionminormoderate51006/0806/09
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.

The text

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

491 
WGUS41 KPHI 080148
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
948 PM EDT FRI JUN 7 2013

...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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC029-045-080748-
/O.NEW.KPHI.FL.W.0013.130608T0341Z-130609T0102Z/
/CDFP1.1.ER.130608T0341Z.130608T1200Z.130608T1902Z.NO/
948 PM EDT FRI JUN 7 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE BRANDYWINE CREEK AT CHADDS FORD.
* UNTIL SATURDAY EVENING...OR UNTIL THE WARNING IS CANCELLED.
* AT 9:30 PM FRIDAY THE STAGE WAS 8.3 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MINOR FLOODING IS FORECAST. 
* FORECAST...RISE ABOVE FLOOD STAGE TONIGHT AND CONTINUE TO RISE TO NEAR 10.5
  FEET BY TOMORROW MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE BY TOMORROW 
  AFTERNOON.
* 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    8.34  FRI 9 PM      10.5  SAT 8 AM 

&&
1 follow-up statement
634 
WGUS81 KPHI 080724
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
324 AM EDT SAT JUN 8 2013

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC029-045-080754-
/O.CAN.KPHI.FL.W.0013.000000T0000Z-130609T0102Z/
/CDFP1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
324 AM EDT SAT JUN 8 2013

THE FLOOD WARNING IS CANCELLED FOR
  THE BRANDYWINE CREEK AT CHADDS FORD.
* AT 2:30 AM SATURDAY THE STAGE WAS 8.6 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...THE RIVER CRESTED BELOW FLOOD STAGE AT 8.6 FEET. THE RIVER WILL 
  FALL TO 4.1 FEET TONIGHT .
* 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    8.60  SAT 2 AM      8.4    SAT 8 AM 

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 8:47 PM EDTAreal Flood WarningPHINorthampton6 hr

Nearby

River Flood Warnings in Pennsylvania, 2013Every river flood warning in 2013

Sources

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.