River Flood Warning 3, NWS Philadelphia/Mount Holly

Issued

Mar 11, 2015, 12:52 AM EDT (04:52 UTC)

In effect from

Mar 11, 2015, 1:31 AM EDT

Expired

Mar 11, 2015, 9:26 AM EDT

In force

8 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

Minor

County Chester County, PA

The Philadelphia radar (KDIX), 109 km from the middle of the area, began a volume at 04:53 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 6.98 ft at Mar 11, 2015, 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.

992 
WGUS41 KPHI 110452
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1252 AM EDT WED MAR 11 2015

...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.

&&

PAC029-111052-
/O.NEW.KPHI.FL.W.0003.150311T0531Z-150311T1326Z/
/DWNP1.1.ER.150311T0531Z.150311T0600Z.150311T0726Z.NO/
1252 AM EDT WED MAR 11 2015

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The East Branch Brandywine Creek at Downingtown.
* until this morning...or until the warning is cancelled.
* At 12:45 AM Wednesday the stage was 6.8 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage to near 7.1 feet. 
  The river will fall below flood stage by daybreak.
* 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    6.45  Wed 12 AM    7.1    Wed 2 AM 
 
&&
 
LAT...LON 4001 7574 3991 7567 3993 7561 4002 7567
                                      

$$

290 
WGUS81 KPHI 110800
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
400 AM EDT WED MAR 11 2015

...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.

&&

PAC029-110830-
/O.CAN.KPHI.FL.W.0003.000000T0000Z-150311T1326Z/
/DWNP1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
400 AM EDT WED MAR 11 2015

The Flood Warning is cancelled for
  The East Branch Brandywine Creek at Downingtown.
* At  3:45 AM Wednesday the stage was 6.7 feet.
* Flood stage is 7.0 feet.
* Forecast...The river crested near the 7 foot flood stage at 2 am and has since receded. 
  The river will fall to 4.6 feet by late this morning.
* 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    6.68  Wed 4 AM     5.8    Wed 5 AM 
 
&&
 
LAT...LON 4001 7574 3991 7567 3993 7561 4002 7567
                                      

$$

River Flood Warnings in Pennsylvania, 2015Every river flood warning in 2015

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.