Alert archive / Pennsylvania / River Flood Warnings in 2013

River Flood Warning 29, NWS Philadelphia/Mount Holly

June 27, 2013Chester County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Jun 27, 2013, 10:04 PM EDT for Chester County, Pennsylvania. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jun 27, 2013, 10:04 PM EDT (02:04 UTC)
Expired
Jun 28, 2013, 3:38 AM EDT
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly
Flood severity
Minor

County Chester County, PA

The radar

The Philadelphia radar (KDIX), 114 km from the middle of the area, began a volume at 02:05 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 East Branch Brandywine Creek below Downingtown (DWNP1). The gauge peaked at 9.34 ft at Jun 28, 2013, 12:00 AM EDT.

actionminormoderate24681006/2806/29
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.

The text

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

941 
WGUS41 KPHI 280204
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1004 PM EDT THU JUN 27 2013

...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.

&&

PAC029-280804-
/O.NEW.KPHI.FL.W.0029.130628T0204Z-130628T1055Z/
/DWNP1.1.ER.130628T0145Z.130628T0300Z.130628T0455Z.NO/
1004 PM EDT THU JUN 27 2013

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* UNTIL FRIDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT  9:45 PM THURSDAY THE STAGE WAS 7.0 FEET. 
* FLOOD STAGE IS 7.0 FEET. 
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 7.8 FEET BY TONIGHT. THE 
  RIVER WILL FALL BELOW FLOOD STAGE AFTER MIDNIGHT TONIGHT.


$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  DOWNINGTOWN      7.0    7.00  THU 10 PM    7.8    THU 11 PM

&&
1 follow-up statement
000 
WGUS81 KPHI 280739
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
338 AM EDT FRI JUN 28 2013

...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.

&&

PAC029-280808-
/O.CAN.KPHI.FL.W.0029.000000T0000Z-130628T1055Z/
/DWNP1.1.ER.130628T0145Z.130628T0345Z.130628T0529Z.NO/
338 AM EDT FRI JUN 28 2013

THE FLOOD WARNING IS CANCELLED FOR
  THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* AT  2:45 AM FRIDAY THE STAGE WAS 5.6 FEET. 
* FLOOD STAGE IS 7.0 FEET.
* FELL BELOW FLOOD STAGE AT  1:29 AM FRIDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 2.2 FEET BY TOMORROW MORNING.


$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  DOWNINGTOWN      7.0    5.55  FRI 3 AM      CRESTED

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 8:50 PM EDTAreal Flood AdvisoryPHICarbon3 hr
Jun 27, 10:00 PM EDTAreal Flood AdvisoryPHIBucks, Lehigh, Monroe, Northampton3 hr
Jun 28, 3:19 PM EDTSevere Thunderstorm WarningPHIChester41 min
Jun 28, 3:33 PM EDTAreal Flood AdvisoryPHIChester, Delaware117 min
Jun 28, 4:23 PM EDTSpecial Weather StatementPHIDelaware, Philadelphia52 min
Jun 28, 5:49 PM EDTFlash Flood WarningPHIDelaware4 hr
Jun 28, 6:04 PM EDTSpecial Weather StatementPHICarbon56 min
Jun 28, 6:21 PM EDTFlash Flood WarningPHICarbon4 hr
Jun 28, 6:43 PM EDTFlash Flood WarningPHIMonroe4 hr
Jun 28, 7:32 PM EDTAreal Flood AdvisoryPHILehigh, Northampton3 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.