River Flood Warning 2, NWS Philadelphia/Mount Holly

Issued

Apr 7, 2022, 10:32 PM EDT (02:32 UTC)

In effect from

Apr 8, 2022, 6:54 AM EDT

Expired

Apr 8, 2022, 9:58 AM EDT

In force

3 hr

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Flood severity

Minor

Counties Chester County, PA, Montgomery County, PA, Philadelphia County, PA

The Philadelphia radar (KDIX), 78 km from the middle of the area, began a volume at 02:35 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 Schuylkill River at Norristown (NRSP1). The gauge peaked at 13.64 ft at Apr 8, 2022, 3:00 AM EDT.

Action stage

12 ft

Minor stage

13 ft

Moderate stage

17 ft

Major stage

19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01473500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

755 
WGUS41 KPHI 080232
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1032 PM EDT Thu Apr 7 2022

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

  Schuylkill River At Norristown affecting Philadelphia, Chester, 
  and Montgomery Counties.

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.

The next statement will be issued Friday morning at 1030 AM EDT.

&&


PAC029-091-101-081445-
/O.NEW.KPHI.FL.W.0002.220408T1054Z-220408T2100Z/
/NRSP1.1.ER.220408T1054Z.220408T1200Z.220408T1500Z.NO/
1032 PM EDT Thu Apr 7 2022

...FLOOD WARNING IN EFFECT FROM FRIDAY MORNING TO TOMORROW 
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Schuylkill River At Norristown.

* WHEN...From Friday morning to tomorrow afternoon.

* IMPACTS...At 12.5 feet, Flooding occurs in West Norriton. The West 
  Indian Lane bridge begins to flood.
  At 13.0 feet, Water begins to cover and close Riverview Boulevard 
  in West Norriton.

* ADDITIONAL DETAILS...
  - At 9:30 PM EDT Thursday the stage was 11.7 feet.
  - Forecast...The river is expected to rise above flood stage
    tomorrow morning and crest at 13.2 feet. It will then fall
    below flood stage late tomorrow morning.
  - Flood stage is 13.0 feet.
  - Flood History...This crest compares to a previous crest of
    13.3 feet on 01/26/2020.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Fri  Sat        Stg Time Date

Schuylkill River
Norristown      13.0  11.7 Thu 9 pm   12.0 10.5       13.2 8am 4/08


&&

LAT...LON 4006 7542 4013 7535 4002 7517 3998 7525


$$

Kruzdlo

036 
WGUS81 KPHI 080428
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1228 AM EDT Fri Apr 8 2022

...The Flood Warning continues for the following rivers in 
Pennsylvania...

  Schuylkill River At Norristown affecting Philadelphia, Chester, 
  and Montgomery Counties.

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.

The next statement will be issued this afternoon by 1230 PM EDT.

&&


PAC029-091-101-081630-
/O.CON.KPHI.FL.W.0002.220408T1054Z-220408T2100Z/
/NRSP1.1.ER.220408T0352Z.220408T0600Z.220408T1415Z.NO/
1228 AM EDT Fri Apr 8 2022

...FLOOD WARNING REMAINS IN EFFECT FROM THIS MORNING TO LATE THIS 
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Schuylkill River At Norristown.

* WHEN...From this morning to late this afternoon.

* IMPACTS...At 12.5 feet, Flooding occurs in West Norriton. The West 
  Indian Lane bridge begins to flood.
  At 13.0 feet, Water begins to cover and close Riverview Boulevard 
  in West Norriton.

* ADDITIONAL DETAILS...
  - At 11:30 PM EDT Thursday the stage was 12.8 feet.
  - Forecast...The river is expected to rise to a crest of 13.9
    feet early this morning. It will then fall below flood stage
    late this morning.
  - Flood stage is 13.0 feet.
  - Flood History...This crest compares to a previous crest of
    13.8 feet on 12/01/2020.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Sat  Sun        Stg Time Date

Schuylkill River
Norristown      13.0  12.8 Thu 11 p   11.3 10.3       13.9 2am 4/08


&&

LAT...LON 4006 7542 4013 7535 4002 7517 3998 7525


$$

Kruzdlo

906 
WGUS81 KPHI 081358
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
958 AM EDT Fri Apr 8 2022

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

  Schuylkill River At Norristown affecting Philadelphia, Chester, 
  and Montgomery Counties.

PAC029-091-101-081500-
/O.CAN.KPHI.FL.W.0002.000000T0000Z-220408T1358Z/
/NRSP1.1.ER.220408T0352Z.220408T0600Z.220408T1415Z.NO/
958 AM EDT Fri Apr 8 2022

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Schuylkill River At Norristown.

* ADDITIONAL DETAILS...
  - At 9:30 AM EDT Friday the stage was 12.9 feet.
  - Forecast...The river has crested and is now below flood
    stage.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Sat  Sun        Stg Time Date

Schuylkill River
Norristown      13.0  12.9 Fri 9 a   10.9 10.3       crested   


&&

LAT...LON 4006 7542 4013 7535 4002 7517 3998 7525


$$

Fitzsimmons

River Flood Warnings in Pennsylvania, 2022Every river flood warning in 2022

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.