Alert archive / Pennsylvania / River Flood Warnings in 2016

River Flood Warning 3, NWS Philadelphia/Mount Holly

February 16, 2016Chester County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Feb 16, 2016, 3:04 PM EST for Chester County, Pennsylvania. It took effect at Feb 16, 2016, 3:11 PM EST. It was in force for 13 hr.

The area

The outline as issued.

The facts

Issued
Feb 16, 2016, 3:04 PM EST (20:04 UTC)
In effect from
Feb 16, 2016, 3:11 PM EST
Expired
Feb 17, 2016, 4:21 AM EST
In force
13 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 20:04 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 8.05 ft at Feb 16, 2016, 5:00 PM EST.

actionminormoderate24681002/1602/1702/18
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.

398 
WGUS41 KPHI 162004
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
304 PM EST TUE FEB 16 2016

...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.

&&

PAC029-170204-
/O.NEW.KPHI.FL.W.0003.160216T2011Z-160217T0921Z/
/DWNP1.1.ER.160216T2011Z.160216T2300Z.160217T0321Z.NO/
304 PM EST TUE FEB 16 2016

The National Weather Service in Mount Holly NJ has issued a 

* Flood Warning for 
  The East Branch Brandywine Creek at Downingtown.
* until late tonight...Or until the warning is cancelled.
* At 2:45 PM Tuesday the stage was 6.6 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage late this afternoon and continue to
  rise to near 8.0 feet. The river will fall below flood this evening.


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG   DAY TIME     CREST

Brandywine Creek
  Downingtown            7.0    6.63  Tue 3 PM     8.0    Tue 6 PM 
 
&&
 
LAT...LON 4001 7574 3991 7567 3993 7561 4002 7567
                                      

$$

Kruzdlo
1 follow-up statement
836 
WGUS81 KPHI 170121
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
821 PM EST TUE FEB 16 2016

...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.

&&

PAC029-170151-
/O.CAN.KPHI.FL.W.0003.000000T0000Z-160217T0921Z/
/DWNP1.1.ER.160216T2013Z.160216T2200Z.160217T0011Z.NO/
821 PM EST TUE FEB 16 2016

The Flood Warning is cancelled for
  The East Branch Brandywine Creek at Downingtown.
* At  7:45 PM Tuesday the stage was 6.5 feet.
* Flood stage is 7.0 feet.
* Fell below flood stage at  7:11 PM Tuesday.
* Forecast...The river will continue to fall to 2.7 feet by Thursday morning.


                         FLD    OBSERVED           FORECAST
 LOCATION                STG    STG  DAY TIME      CREST

Brandywine Creek
  Downingtown            7.0    6.50  Tue 8 PM     5.8    Tue 9 PM 
 
&&
 
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.

IssuedProductOfficeCountiesLasted
Feb 16, 11:15 AM ESTSpecial Weather StatementPHIChester, Delaware, Montgomery60 min
Feb 16, 12:09 PM ESTSpecial Weather StatementPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more51 min
Feb 16, 12:11 PM ESTSpecial Weather StatementPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more49 min
Feb 16, 12:29 PM ESTSevere Thunderstorm WarningPHIBucks, Delaware, Montgomery, Philadelphia46 min
Feb 16, 12:34 PM ESTAreal Flood AdvisoryPHIBerks, Carbon, Chester, Delaware, Lehigh, Monroe and 2 more4 hr
Feb 16, 12:52 PM ESTAreal Flood AdvisoryPHIBucks, Chester, Delaware, Lehigh, Monroe, Montgomery and 2 more4 hr
Feb 16, 1:22 PM ESTAreal Flood AdvisoryPHIBucks, Monroe4 hr
Feb 16, 3:13 PM ESTAreal Flood WarningPHIBerks, Chester, Delaware, Montgomery4 hr

Nearby

River Flood Warnings in Pennsylvania, 2016Every river flood warning in 2016

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.