River Flood Warning 81, NWS Philadelphia/Mount Holly

Issued

Dec 21, 2018, 3:44 AM EST (08:44 UTC)

Expired

Dec 21, 2018, 12:25 PM EST

In force

9 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

Moderate

County Chester County, PA

The Philadelphia radar (KDIX), 108 km from the middle of the area, began a volume at 08:47 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.

Written for the forecast point East Branch Brandywine Creek below Downingtown (DWNP1). The gauge peaked at 9.15 ft at Dec 21, 2018, 7:00 AM EST.

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.

704 
WGUS41 KPHI 210844
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mt Holly NJ
344 AM EST Fri Dec 21 2018

...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.

&&

PAC029-211443-
/O.NEW.KPHI.FL.W.0081.181221T0844Z-181222T0429Z/
/DWNP1.2.ER.181221T0826Z.181221T1400Z.181221T2229Z.NO/
344 AM EST Fri Dec 21 2018

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The East Branch Brandywine Creek at Downingtown.
* until this evening...Or until the warning is cancelled.
* At  3:31 AM Friday the stage was 7.1 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 9.8 feet by late this 
  morning. The river will fall below flood stage late this afternoon.
* Impact...At 9.0 feet...High water on the Brandywine sends backwater up Beaver 
  Creek. Beaver Creek floods inundating parks and the Downingtown Little League 
  fields.
* Flood history...This crest compares to a previous crest of 9.8 feet on Apr 16 
  1996.  

 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Brandywine Creek
  Downingtown            7.0    7.08  Fri 4 AM     9.8    Fri 9 AM 
 
&&
 
LAT...LON 4002 7567 3993 7561 3991 7567 4001 7574
                                      

$$

516 
WGUS81 KPHI 211402
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
902 AM EST Fri Dec 21 2018

...The Flood Warning continues 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.

&&

PAC029-212133-
/O.EXT.KPHI.FL.W.0081.000000T0000Z-181221T2133Z/
/DWNP1.2.ER.181221T0826Z.181221T1245Z.181221T1533Z.NO/
902 AM EST Fri Dec 21 2018

The Flood Warning continues for
  The East Branch Brandywine Creek at Downingtown.
* until this afternoon...or until the warning is cancelled.
* At 8:45 AM Friday the stage was 8.9 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring.
* Forecast...The river will fall below flood stage this 
  afternoon.
* Impact...At 9.0 feet...High water on the Brandywine sends 
  backwater up Beaver Creek. Beaver Creek floods inundating parks
  and the Downingtown Little League fields.
* Flood history...This crest compares to a previous crest of 8.9 
  feet on Oct 11 2013.  
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Brandywine Creek
  Downingtown            7.0    8.88  Fri 9 AM     Near or at crest 
 
&&
 
LAT...LON 4002 7567 3993 7561 3991 7567 4001 7574
                                      

$$

Kruzdlo

449 
WGUS81 KPHI 211725
FLSPHI
Flood Statement
National Weather Service Mt Holly NJ
1225 PM EST Fri Dec 21 2018

...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.

&&

PAC029-211755-
/O.CAN.KPHI.FL.W.0081.000000T0000Z-181221T2133Z/
/DWNP1.2.ER.181221T0826Z.181221T1245Z.181221T1545Z.NO/
1225 PM EST Fri Dec 21 2018

The Flood Warning is cancelled for
  The East Branch Brandywine Creek at Downingtown.
* At 11:45 AM Friday the stage was 6.4 feet.
* Flood stage is 7.0 feet.
* Fell below flood stage at 10:45 AM Friday.
* Forecast...The river will continue to fall to 3.2 feet by tomorrow
  morning.
 
&&

                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Brandywine Creek
  Downingtown            7.0    6.37  Fri 12 PM    Crested and falling 
 
&&
 
LAT...LON 4002 7567 3993 7561 3991 7567 4001 7574
                                      

$$

Kruzdlo

River Flood Warnings in Pennsylvania, 2018Every river flood warning in 2018

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.