Alert archive / Pennsylvania / River Flood Warnings in 2020

River Flood Warning 62, NWS Philadelphia/Mount Holly

December 25, 2020Berks County, Montgomery County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Dec 25, 2020, 4:53 AM EST for Berks County, Montgomery County, Pennsylvania. It took effect at Dec 25, 2020, 8:00 AM EST. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Dec 25, 2020, 4:53 AM EST (09:53 UTC)
In effect from
Dec 25, 2020, 8:00 AM EST
Expired
Dec 25, 2020, 1:52 PM EST
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
Minor

Counties Berks County, PA, Montgomery County, PA

The radar

The Philadelphia radar (KDIX), 144 km from the middle of the area, began a volume at 09:55 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 Schuylkill River at Berne (BREP1). The gauge peaked at 12.20 ft at Dec 25, 2020, 9:00 AM EST.

actionminormoderate5101512/2512/26
Action stage
10 ft
Minor stage
12 ft
Moderate stage
14 ft
Major stage
16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01470500, 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.

835 
WGUS41 KPHI 250953
FLWPHI

BULLETIN - EAS ACTIVATION REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
453 AM EST Fri Dec 25 2020

...The National Weather Service in Mount Holly NJ has issued a Flood 
Warning for the following rivers in Pennsylvania...

  Schuylkill River At Berne affecting Berks County.

For the Schuylkill River...including Berne...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.


PAC011-091-252200-
/O.NEW.KPHI.FL.W.0062.201225T1300Z-201226T0300Z/
/BREP1.1.ER.201225T1300Z.201225T1800Z.201225T2051Z.NO/
453 AM EST Fri Dec 25 2020

The National Weather Service in Mount Holly has issued a

* Flood Warning for
  the Schuylkill River At Berne.
* From this morning to this evening.
* At 4:32 AM EST Friday the stage was 11.2 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river will oscillate around flood stage with a 
  maximum value of 13.0 feet this afternoon.
* Impact at 10.0 feet...Open adjacent land begins to flood between 
  Shoemakersville and Hamburg. Impact at 12.0 feet...Miller Street 
  in Shoemakersville floods. Impact at 14.0 feet...Mohrsville Road 
  in Perry Township floods. Second Street in Shoemakersville floods.
* Flood History...This crest compares to a previous crest of 12.9 
  feet on 12/02/1996.

&&


Stream          Fld   Observed        Fcsts (7 am)        Crest
Location        Stg   Stg Day/Time    Sat  Sun        Stg Time Date

Schuylkill River
Berne           12.0  11.2 Fri 4 am   9.3  8.2        13.0 1pm 12/25





&&

LAT...LON 4056 7598 4059 7595 4036 7591 4031 7598

$$

CMS
1 follow-up statement
902 
WGUS81 KPHI 251852
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
152 PM EST Fri Dec 25 2020

...The Flood Warning is cancelled for the following rivers in 
Pennsylvania...

  Schuylkill River At Berne affecting Berks and Montgomery Counties.

PAC011-091-252000-
/O.CAN.KPHI.FL.W.0062.000000T0000Z-201225T1852Z/
/BREP1.1.ER.201225T1300Z.201225T1800Z.201225T2051Z.NO/
152 PM EST Fri Dec 25 2020

...The Flood Warning for the Schuylkill River At Berne has been 
cancelled...

The Flood Warning is cancelled for
  the Schuylkill River At Berne.
* At 1:32 PM EST Friday the stage was 11.8 feet.
* Flood stage is 12.0 feet.
* Forecast...The river will continue to fall into this evening.

&&


Stream          Fld   Observed        Fcsts (1 pm)        Crest
Location        Stg   Stg Day/Time    Sat  Sun        Stg Time Date

Schuylkill River
Berne           12.0  11.8 Fri 1 pm   9.5  8.1        Crested  





&&

LAT...LON 4056 7598 4059 7595 4036 7591 4031 7598

$$

Kruzdlo

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 8:47 PM ESTAreal Flood AdvisoryPHIChester, Delaware, Montgomery, Philadelphia6 hr
Dec 24, 9:08 PM ESTCoastal Flood AdvisoryPHIBucks, Philadelphia14 hr
Dec 24, 9:16 PM ESTAreal Flood AdvisoryPHIBucks, Lehigh, Northampton3 hr
Dec 24, 9:38 PM ESTAreal Flood WarningPHIChester, Delaware, Montgomery, Philadelphia14 hr
Dec 24, 10:09 PM ESTAreal Flood AdvisoryPHIBerks, Carbon, Lehigh, Monroe, Northampton6 hr
Dec 24, 10:21 PM ESTAreal Flood WarningPHIBucks14 hr
Dec 24, 10:30 PM ESTRiver Flood WarningPHIDelaware10 hr
Dec 24, 11:10 PM ESTAreal Flood AdvisoryPHIBucks4 hr
Dec 24, 11:26 PM ESTRiver Flood WarningPHIChester13 hr
Dec 24, 11:48 PM ESTAreal Flood WarningPHIBucks15 hr
Dec 24, 11:54 PM ESTAreal Flood WarningPHILehigh, Monroe, Northampton12 hr
Dec 25, 12:36 AM ESTRiver Flood WarningPHIMontgomery13 hr
Dec 25, 12:53 AM ESTAreal Flood WarningPHIChester6 hr
Dec 25, 12:59 AM ESTRiver Flood WarningPHIChester, Montgomery, Philadelphia21 hr
Dec 25, 1:56 AM ESTAreal Flood WarningPHIBucks, Philadelphia7 hr
Dec 25, 2:28 AM ESTRiver Flood WarningPHIBucks15 hr
Dec 25, 3:29 AM ESTAreal Flood WarningPHIBerks6 hr
Dec 25, 3:33 AM ESTRiver Flood WarningPHIChester, Delaware17 hr
Dec 25, 4:00 AM ESTRiver Flood WarningPHILehigh, Northampton16 hr
Dec 25, 4:31 AM ESTAreal Flood WarningPHICarbon, Lehigh, Monroe, Northampton7 hr
Dec 25, 6:32 AM ESTRiver Flood WarningPHIMontgomery, Philadelphia7 hr
Dec 25, 7:28 AM ESTRiver Flood WarningPHIMonroe10 hr
Dec 25, 12:13 PM ESTAreal Flood WarningPHICarbon, Monroe9 hr

Nearby

River Flood Warnings in Pennsylvania, 2020Every river flood warning in 2020

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.