Alert archive / Pennsylvania / River Flood Warnings in 2022

River Flood Warning 23, NWS Philadelphia/Mount Holly

April 19, 2022Bucks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this river flood warning at Apr 19, 2022, 4:46 AM EDT for Bucks County, Pennsylvania. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Apr 19, 2022, 4:46 AM EDT (08:46 UTC)
Expired: Apr 19, 2022, 11:55 AM EDT
In force: 7 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Minor

County Bucks County, PA

The radar

The Philadelphia radar (KDIX), 49 km from the middle of the area, began a volume at 08:50 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 Neshaminy Creek near Langhorne (LNGP1). The gauge peaked at 9.22 ft at Apr 19, 2022, 7:00 AM EDT.

Action stage: 8 ft
Minor stage: 9 ft
Moderate stage: 12 ft
Major stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01465500, 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.

499 
WGUS41 KPHI 190846
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
446 AM EDT Tue Apr 19 2022

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

  Neshaminy Creek At Langhorne affecting Bucks County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles. Be especially cautious at night when 
it is harder to recognize the dangers of flooding.

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

The next statement will be issued this afternoon at 200 PM EDT.

&&


PAC017-191800-
/O.NEW.KPHI.FL.W.0023.220419T0846Z-220419T1800Z/
/LNGP1.1.ER.220419T1048Z.220419T1200Z.220419T1312Z.NO/
446 AM EDT Tue Apr 19 2022

...FLOOD WARNING IN EFFECT FROM EARLY THIS MORNING TO THIS 
AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Neshaminy Creek At Langhorne.

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

* IMPACTS...At 7.0 feet, Water begins to overflow the lowest banks, 
  on both sides of the creek, into adjacent wooded areas.
  At 9.0 feet, Flooding begins on Bridle Drive in Middletown Township.

* ADDITIONAL DETAILS...
  - At 4:15 AM EDT Tuesday the stage was 8.2 feet.
  - Forecast...The river is expected to rise above flood stage
    this morning to a crest of 9.4 feet this morning. It will
    then fall below flood stage late this morning.
  - Flood stage is 9.0 feet.
  - Flood History...This crest compares to a previous crest of
    9.4 feet on 12/01/2020.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Neshaminy Creek
Langhorne       9.0   8.2  Tue 4 am   4.2  3.0        9.4 8am 4/19


&&

LAT...LON 4019 7498 4020 7491 4008 7486 4006 7493


$$

Staarmann

1 follow-up statement

013 
WGUS81 KPHI 191555
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1155 AM EDT Tue Apr 19 2022

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

  Neshaminy Creek At Langhorne affecting Bucks County.

PAC017-191700-
/O.CAN.KPHI.FL.W.0023.000000T0000Z-220419T1555Z/
/LNGP1.1.ER.220419T0933Z.220419T1230Z.220419T1408Z.NO/
1155 AM EDT Tue Apr 19 2022

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Neshaminy Creek At Langhorne.

* ADDITIONAL DETAILS...
  - At 11:15 AM EDT Tuesday the stage was 8.5 feet.
  - Forecast...The river is expected to fall to 2.4 feet Friday
    morning.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Neshaminy Creek
Langhorne       9.0   8.5  Tue 11 a   3.2  2.6   Crested and falling


&&

LAT...LON 4019 7498 4020 7491 4008 7486 4006 7493


$$

Kruzdlo

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 1:00 AM EDT	River Flood Warning	PHI	Chester	6 hr
Apr 19, 1:20 AM EDT	Areal Flood Warning	PHI	Chester, Delaware	3 hr
Apr 19, 1:23 AM EDT	Areal Flood Warning	PHI	Montgomery	5 hr
Apr 19, 1:38 AM EDT	River Flood Warning	PHI	Delaware	3 hr
Apr 19, 1:43 AM EDT	Areal Flood Warning	PHI	Montgomery, Philadelphia	10 hr
Apr 19, 2:16 AM EDT	Areal Flood Warning	PHI	Bucks	8 hr
Apr 19, 4:50 AM EDT	River Flood Warning	PHI	Chester, Delaware	7 hr
Apr 19, 6:23 PM EDT	Special Weather Statement	PHI	Bucks, Northampton	22 min

Nearby

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

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.