Alert archive / Pennsylvania / River Flood Warnings in 2014
River Flood Warning 41, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Jul 11, 2014, 12:55 AM EDT for Chester County, Pennsylvania. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2014, 12:55 AM EDT (04:55 UTC)
- Expired
- Jul 11, 2014, 8:19 AM EDT
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- Minor
County Chester County, PA
The radar
The Philadelphia radar (KDIX), 109 km from the middle of the area, began a volume at 04:59 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 7.24 ft at Jul 11, 2014, 2:00 AM EDT.
- 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.
346
WGUS41 KPHI 110455
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1255 AM EDT FRI JUL 11 2014
...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.
&&
PAC029-111055-
/O.NEW.KPHI.FL.W.0041.140711T0455Z-140711T1219Z/
/DWNP1.1.ER.140711T0448Z.140711T0500Z.140711T0619Z.NO/
1255 AM EDT FRI JUL 11 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR
THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* UNTIL THIS MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 12:45 AM FRIDAY THE STAGE WAS 6.9 FEET.
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE SHORTLY THEN CONTINUE TO RISE TO NEAR
7.2 FEET VERY EARLY THIS MORNING. THE CREEK SHOULD FALL BELOW FLOOD STAGE
BY 6 AM THIS MORNING.
* IMPACT...AT 8.0 FEET...DOWLIN FORGE ROAD BEGINS TO FLOOD.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
BRANDYWINE CREEK
DOWNINGTOWN 7.0 6.94 FRI 1 AM 7.2 FRI 1 AM
&&
LAT...LON 4001 7574 3991 7567 3993 7561 4002 7567
$$1 follow-up statement
208
WGUS81 KPHI 110805
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
405 AM EDT FRI JUL 11 2014
...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN PENNSYLVANIA...
EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN AFFECTING CHESTER COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE WATER MAY BE
DEEPER THAN YOU THINK.
&&
PAC029-110835-
/O.CAN.KPHI.FL.W.0041.000000T0000Z-140711T1219Z/
/DWNP1.1.ER.140711T0450Z.140711T0600Z.140711T0649Z.NO/
405 AM EDT FRI JUL 11 2014
THE FLOOD WARNING IS CANCELLED FOR
THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* AT 3:45 AM FRIDAY THE STAGE WAS 6.2 FEET.
* FLOOD STAGE IS 7.0 FEET.
* FELL BELOW FLOOD STAGE AT 2:49 AM FRIDAY.
* FORECAST...THE CREEK WILL CONTINUE TO FALL TODAY.
* IMPACT...AT 6.0 FEET...OPEN ADJACENT LAND NEXT TO THE CREEK FLOODS.
&&
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
BRANDYWINE CREEK
DOWNINGTOWN 7.0 6.25 FRI 4 AM FALLING
&&
LAT...LON 4001 7574 3991 7567 3993 7561 4002 7567
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 9:19 PM EDT | Areal Flood Advisory | PHI | Chester | 3 hr |
| Jul 10, 9:48 PM EDT | Flash Flood Warning | PHI | Chester | 3 hr |
| Jul 10, 11:17 PM EDT | Areal Flood Advisory | PHI | Chester | 118 min |
Nearby
River Flood Warnings in Pennsylvania, 2014Every river flood warning in 2014
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.