Alert archive / Pennsylvania / River Flood Warnings in 2014

River Flood Warning 6, NWS Philadelphia/Mount Holly

April 15, 2014Chester County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 15, 2014, 5:20 PM EDT for Chester County, Pennsylvania. It took effect at Apr 15, 2014, 5:25 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Apr 15, 2014, 5:20 PM EDT (21:20 UTC)
In effect from: Apr 15, 2014, 5:25 PM EDT
Expired: Apr 16, 2014, 12:03 AM EDT
In force: 7 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 21:24 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 8.88 ft at Apr 15, 2014, 8:00 PM 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.

067 
WGUS41 KPHI 152120
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
520 PM EDT TUE APR 15 2014

...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED
A FLOOD WARNING FOR THE EAST BRANCH BRANDYWINE CREEK BELOW
DOWNINGTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC029-160320-
/O.NEW.KPHI.FL.W.0006.140415T2125Z-140416T0633Z/
/DWNP1.1.ER.140415T2125Z.140415T2300Z.140416T0033Z.NO/
520 PM EDT TUE APR 15 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* UNTIL LATE TONIGHT...OR UNTIL THE WARNING IS CANCELLED.
* AT 4:45 PM...THE STAGE WAS 6.7 FEET AND RISING. 
* FLOOD STAGE IS 7.0 FEET. 
* MINOR FLOODING IS FORECAST. 
* FORECAST...THE CREEK IS FORECAST TO RISE ABOVE FLOOD STAGE
  LATE THIS AFTERNOON...CRESTING NEAR 7.3 FEET THIS EVENING.
  THE CREEK WILL FALL BACK BELOW FLOOD STAGE LATE THIS EVENING.


$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  DOWNINGTOWN      7.0    6.70  TUE 445 PM    7.3  TUE 700 PM 

&&

IOVINO

2 follow-up statements

044 
WGUS81 KPHI 152201
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
601 PM EDT TUE APR 15 2014

...THE FLOOD WARNING CONTINUES FOR THE EAST BRANCH BRANDYWINE
CREEK BELOW DOWNINGTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PAC029-160801-
/O.EXT.KPHI.FL.W.0006.000000T0000Z-140416T0856Z/
/DWNP1.1.ER.140415T2055Z.140415T2300Z.140416T0256Z.NO/
601 PM EDT TUE APR 15 2014

THE FLOOD WARNING CONTINUES FOR
  THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* AT 5:45 PM...THE STAGE WAS 8.05 FEET AND RISING. 
* FLOOD STAGE IS 7.0 FEET. 
* MINOR FLOODING IS OCCURRING.
* FORECAST...THE CREEK WILL CONTINUE RISING AND IT SHOULD CREST
  NEAR 8.7 FEET THIS EVENING. THE CREEK SHOULD FALL BACK BELOW
  FLOOD STAGE OVERNIGHT.


$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  DOWNINGTOWN      7.0    8.05  TUE 545 PM    8.7  TUE 700 PM 

&&

IOVINO

715 
WGUS81 KPHI 160403
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1203 AM EDT WED APR 16 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.

&&

PAC029-160433-
/O.CAN.KPHI.FL.W.0006.000000T0000Z-140416T0856Z/
/DWNP1.1.ER.140415T2055Z.140415T2345Z.140416T0155Z.NO/
1203 AM EDT WED APR 16 2014

THE FLOOD WARNING IS CANCELLED FOR
  THE EAST BRANCH BRANDYWINE CREEK BELOW DOWNINGTOWN.
* AT 11:45 PM TUESDAY THE STAGE WAS 6.1 FEET. 
* FLOOD STAGE IS 7.0 FEET. 
* FELL BELOW FLOOD STAGE AT 9:55 PM TUESDAY.
* FORECAST...THE RIVER WILL CONTINUE TO FALL THROUGH THE OVERNIGHT HOURS.


$$

                   FLD     OBSERVED           FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

BRANDYWINE CREEK
  DOWNINGTOWN      7.0    6.06  WED 12 AM     CRESTED

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 3:40 AM EDT	Freeze Warning	PHI	Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia	29 hr
Apr 15, 12:30 PM EDT	Special Weather Statement	PHI	Bucks, Montgomery	30 min
Apr 15, 12:44 PM EDT	Areal Flood Advisory	PHI	Bucks, Chester, Delaware, Montgomery	4 hr
Apr 15, 2:56 PM EDT	Areal Flood Advisory	PHI	Chester	4 hr
Apr 15, 3:20 PM EDT	Special Weather Statement	PHI	Bucks, Delaware, Montgomery, Philadelphia	40 min
Apr 15, 3:32 PM EDT	Freeze Watch	PHI	Berks, Bucks, Chester, Delaware, Montgomery	24 hr
Apr 15, 3:36 PM EDT	Special Weather Statement	PHI	Bucks	39 min
Apr 15, 3:56 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Delaware, Montgomery, Philadelphia	34 min

Nearby

River Flood Warnings in Pennsylvania, 2014 Every 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.