Alert archive / Pennsylvania / River Flood Warnings in 2013

River Flood Warning 20, NWS Philadelphia/Mount Holly

June 10, 2013Chester County, Delaware County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Jun 10, 2013, 4:42 PM EDT for Chester County, Delaware County, Pennsylvania. It took effect at Jun 10, 2013, 7:14 PM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jun 10, 2013, 4:42 PM EDT (20:42 UTC)
In effect from
Jun 10, 2013, 7:14 PM EDT
Expired
Jun 11, 2013, 4:30 AM EDT
In force
9 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 20:42 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 8.58 ft at Jun 10, 2013, 5:00 PM EDT.

actionminormoderate51006/1006/1106/12
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.

352 
WGUS41 KPHI 102042
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
442 PM EDT MON JUN 10 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.

&&

PAC029-045-110242-
/O.NEW.KPHI.FL.W.0020.130610T2314Z-130611T0636Z/
/CDFP1.1.ER.130610T2314Z.130611T0000Z.130611T0036Z.NO/
442 PM EDT MON JUN 10 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE BRANDYWINE CREEK AT CHADDS FORD.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT  3:44 PM MONDAY THE STAGE WAS 8.5 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* MINOR FLOODING IS FORECAST. 
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS EVENING AND CONTINUE TO RISE TO NEAR
  9.1 FEET BY THIS EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE BY MIDNIGHT 
* 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    8.54  MON 4 PM     9.1    MON 8 PM 

&&
2 follow-up statements
617 
WGUS81 KPHI 102358
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
758 PM EDT MON JUN 10 2013

...THE FLOOD WARNING CONTINUES 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.

&&

PAC029-045-110958-
/O.EXT.KPHI.FL.W.0020.000000T0000Z-130611T1800Z/
/CDFP1.1.ER.130611T1200Z.130611T1200Z.130611T1200Z.NO/
758 PM EDT MON JUN 10 2013

THE FLOOD WARNING CONTINUES FOR
  THE BRANDYWINE CREEK AT CHADDS FORD.
* AT  7:30 PM MONDAY THE STAGE WAS 8.5 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...THE RIVER IS EXPECTED TO RISE TO NEAR FLOOD STAGE TOMORROW MORNING.
* 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    8.50  MON 7 PM     9.0    TUE 8 AM 

&&
378 
WGUS81 KPHI 110830
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
430 AM EDT TUE JUN 11 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.

&&

PAC029-045-110900-
/O.CAN.KPHI.FL.W.0020.000000T0000Z-130611T1800Z/
/CDFP1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
430 AM EDT TUE JUN 11 2013

THE FLOOD WARNING IS CANCELLED FOR
  THE BRANDYWINE CREEK AT CHADDS FORD.
* AT  3:32 AM TUESDAY THE STAGE WAS 8.0 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...THE RIVER CRESTED BELOW FLOOD STAGE AT 8.6 FEET.  
* 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    8.02  TUE 4 AM     8.4    TUE 8 AM 

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 3:30 AM EDTFlood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more24 hr
Jun 10, 5:14 AM EDTAreal Flood AdvisoryPHIBerks, Chester4 hr
Jun 10, 5:53 AM EDTAreal Flood AdvisoryPHIBucks, Chester, Lehigh, Montgomery, Northampton4 hr
Jun 10, 6:07 AM EDTFlash Flood WarningPHIBerks, Chester, Montgomery4 hr
Jun 10, 7:18 AM EDTAreal Flood WarningPHIBucks, Montgomery, Philadelphia3 hr
Jun 10, 9:04 AM EDTRiver Flood WarningPHIChester5 hr
Jun 10, 12:35 PM EDTAreal Flood WarningPHIMontgomery17 hr
Jun 10, 4:02 PM EDTAreal Flood AdvisoryPHIChester, Delaware, Philadelphia4 hr
Jun 10, 4:10 PM EDTSpecial Weather StatementPHIChester65 min
Jun 10, 4:30 PM EDTSpecial Weather StatementPHIDelaware60 min
Jun 10, 5:06 PM EDTAreal Flood WarningPHIChester, Delaware12 hr
Jun 10, 6:22 PM EDTSpecial Weather StatementPHIBucks, Montgomery53 min
Jun 10, 6:28 PM EDTAreal Flood WarningPHIBucks9 hr
Jun 10, 6:33 PM EDTRiver Flood WarningPHIDelaware5 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.