Alert archive / New Jersey / Areal Flood Warnings in 2022

Areal Flood Warning 13, NWS Philadelphia/Mount Holly

April 8, 2022Monroe County, Pennsylvania; Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Apr 8, 2022, 3:29 AM EDT for Monroe County, Pennsylvania; Sussex County, Warren County, New Jersey. It was in force for 19 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 8, 2022, 3:29 AM EDT (07:29 UTC)
Expired
Apr 8, 2022, 10:00 PM EDT
In force
19 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
None

Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA

The radar

The Philadelphia radar (KDIX), 137 km from the middle of the area, began a volume at 07:31 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 nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 7.5 hours before the alert went out and 317 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2022-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2022-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -325 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
920 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
-325 m²/s²
0-3 km storm-relative helicity
-53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

985 
WGUS41 KPHI 080729
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
329 AM EDT Fri Apr 8 2022

NJC037-041-PAC089-081330-
/O.NEW.KPHI.FA.W.0013.220408T0729Z-220408T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Monroe PA-
329 AM EDT Fri Apr 8 2022

...FLOOD WARNING IN EFFECT UNTIL 930 AM EDT THIS MORNING...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Portions of northern New Jersey...and northeast 
  Pennsylvania...including the following counties...in northern New 
  Jersey...Sussex and Warren. In northeast Pennsylvania...Monroe.

* WHEN...Until 930 AM EDT Friday.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying 
  and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS...
  - At 329 AM EDT, gauge reports indicated heavy rain. Flooding
    is already occurring in the warned area. Between 1 and 2
    inches of rain have fallen.
  - For Flat Brook at Flatbrookville:
    At 3:15am the stage was 6.04 feet.
    Flood Stage is 6 feet.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4109 7500 4109 7499 4111 7498 4111 7497
      4111 7496 4112 7495 4113 7495 4113 7494
      4111 7492 4107 7498


$$

Davis
8 follow-up statements
170 
WGUS81 KPHI 081041
FLSPHI

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

NJC037-041-PAC089-081330-
/O.CON.KPHI.FA.W.0013.000000T0000Z-220408T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Monroe PA-
641 AM EDT Fri Apr 8 2022

...FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM EDT THIS MORNING...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Portions of northern New Jersey...and northeast 
  Pennsylvania...including the following counties...in northern New 
  Jersey...Sussex and Warren. In northeast Pennsylvania...Monroe.

* WHEN...Until 930 AM EDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying 
  and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS...
  - At 640 AM EDT, gauge reports indicated an area of very heavy
    rainfall occurred across the warned area. Between 1 and 2
    inches of rain fell last night.
  - For Flat Brook at Flatbrookville:
    At 6:30am the stage was 7.01 feet.
    Flood Stage is 6 feet.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4109 7500 4109 7499 4111 7498 4111 7497
      4111 7496 4112 7495 4113 7495 4113 7494
      4111 7492 4107 7498


$$

Davis
779 
WGUS41 KPHI 081311
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
911 AM EDT Fri Apr 8 2022

NJC037-041-PAC089-081530-
/O.EXT.KPHI.FA.W.0013.000000T0000Z-220408T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Monroe PA-
911 AM EDT Fri Apr 8 2022

...FLOOD WARNING NOW IN EFFECT UNTIL 1130 AM EDT THIS MORNING...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Portions of northern New Jersey...and northeast 
  Pennsylvania...including the following counties...in northern New 
  Jersey...Sussex and Warren. In northeast Pennsylvania...Monroe.

* WHEN...Until 1130 AM EDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying 
  and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS...
  - At 908 AM EDT, gauge reports indicated an area of heavy rain
    occurred across the area. Flooding is occurring in the warned
    area. Between 1 and 2 inches of rain fell last night.
  - For Flat Brook at Flatbrookville:
    At 9:00am the stage was 7.53 feet.
    Flood Stage is 6 feet.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4109 7500 4109 7499 4111 7498 4111 7497
      4111 7496 4112 7495 4113 7495 4113 7494
      4111 7492 4107 7498


$$

Fitzsimmons
160 
WGUS41 KPHI 081522
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
1122 AM EDT Fri Apr 8 2022

NJC037-041-PAC089-081730-
/O.EXT.KPHI.FA.W.0013.000000T0000Z-220408T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Monroe PA-
1122 AM EDT Fri Apr 8 2022

...FLOOD WARNING NOW IN EFFECT UNTIL 130 PM EDT THIS AFTERNOON...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Portions of northern New Jersey...and northeast 
  Pennsylvania...including the following counties...in northern New 
  Jersey...Sussex and Warren. In northeast Pennsylvania...Monroe.

* WHEN...Until 130 PM EDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying 
  and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS...
  - At 1119 AM EDT, gauge reports indicate flooding occurring in
    the warned area due to last night's heavy rainfall.
  - For Flat Brook at Flatbrookville:
    At 9:00am the stage was 7.53 feet.
    Flood Stage is 6 feet.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4109 7500 4109 7499 4111 7498 4111 7497
      4111 7496 4112 7495 4113 7495 4113 7494
      4111 7492 4107 7498


$$

Fitzsimmons
964 
WGUS41 KPHI 081721
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
121 PM EDT Fri Apr 8 2022

NJC037-041-PAC089-081930-
/O.EXT.KPHI.FA.W.0013.000000T0000Z-220408T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Monroe PA-
121 PM EDT Fri Apr 8 2022

...FLOOD WARNING NOW IN EFFECT UNTIL 330 PM EDT THIS AFTERNOON...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Portions of northern New Jersey...and northeast 
  Pennsylvania...including the following counties...in northern New 
  Jersey...Sussex and Warren. In northeast Pennsylvania...Monroe.

* WHEN...Until 330 PM EDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying 
  and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS...
  - At 118 PM EDT, gauge reports indicated ongoing flooding due
    to last night's heavy rainfall.
  - For Flat Brook at Flatbrookville:
    At 12:30pm the stage was 7.65 feet.
    Flood Stage is 6 feet.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4109 7500 4109 7499 4111 7498 4111 7497
      4111 7496 4112 7495 4113 7495 4113 7494
      4111 7492 4107 7498


$$

Fitzsimmons
972 
WGUS41 KPHI 081926
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
326 PM EDT Fri Apr 8 2022

NJC037-041-PAC089-082230-
/O.EXT.KPHI.FA.W.0013.000000T0000Z-220408T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Monroe PA-
326 PM EDT Fri Apr 8 2022

...FLOOD WARNING NOW IN EFFECT UNTIL 630 PM EDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Portions of northern New Jersey...and northeast 
  Pennsylvania...including the following counties...in northern New 
  Jersey...Sussex and Warren. In northeast Pennsylvania...Monroe.

* WHEN...Until 630 PM EDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying 
  and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS...
  - At 325 PM EDT, gauge reports indicated continuing flooding
    due to last night's heavy rainfall.
  - For Flat Brook at Flatbrookville:
    At 2:30pm the stage was 7.41 feet.
    Flood Stage is 6 feet.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4109 7500 4109 7499 4111 7498 4111 7497
      4111 7496 4112 7495 4113 7495 4113 7494
      4111 7492 4107 7498


$$

Fitzsimmons
611 
WGUS41 KPHI 082129
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
529 PM EDT Fri Apr 8 2022

NJC037-041-PAC089-090100-
/O.EXT.KPHI.FA.W.0013.000000T0000Z-220409T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Monroe PA-
529 PM EDT Fri Apr 8 2022

...FLOOD WARNING NOW IN EFFECT UNTIL 9 PM EDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Portions of northern New Jersey...and northeast 
  Pennsylvania...including the following counties...in northern New 
  Jersey...Sussex and Warren. In northeast Pennsylvania...Monroe.

* WHEN...Until 900 PM EDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying 
  and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS...
  - At 527 PM EDT, gauge reports indicated continuing flooding
    due to last night's heavy rainfall. The river should fall
    below flood stage late this evening.
  - For Flat Brook at Flatbrookville:
    At 5:00pm the stage was 6.98 feet.
    Flood Stage is 6 feet.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4109 7500 4109 7499 4111 7498 4111 7497
      4111 7496 4112 7495 4113 7495 4113 7494
      4111 7492 4107 7498


$$

Staarmann
351 
WGUS41 KPHI 090042
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
842 PM EDT Fri Apr 8 2022

NJC037-041-PAC089-090200-
/O.EXT.KPHI.FA.W.0013.000000T0000Z-220409T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Monroe PA-
842 PM EDT Fri Apr 8 2022

...FLOOD WARNING NOW IN EFFECT UNTIL 10 PM EDT THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Portions of northern New Jersey...and northeast 
  Pennsylvania...including the following counties...in northern New 
  Jersey...Sussex and Warren. In northeast Pennsylvania...Monroe.

* WHEN...Until 1000 PM EDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying 
  and flood-prone locations is imminent or occurring.

* ADDITIONAL DETAILS...
  - At 841 PM EDT, gauge reports indicated continuing flooding
    due to last night's heavy rainfall. The river should fall
    below flood stage by around 10 PM this evening.
  - For Flat Brook at Flatbrookville:
    At 8:30pm the stage was 6.24 feet.
    Flood Stage is 6 feet.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4109 7500 4109 7499 4111 7498 4111 7497
      4111 7496 4112 7495 4113 7495 4113 7494
      4111 7492 4107 7498


$$

Staarmann
999 
WGUS81 KPHI 090159
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
959 PM EDT Fri Apr 8 2022

NJC037-041-PAC089-090209-
/O.EXP.KPHI.FA.W.0013.000000T0000Z-220409T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex NJ-Warren NJ-Monroe PA-
959 PM EDT Fri Apr 8 2022

...FLOOD WARNING WILL EXPIRE AT 10 PM EDT THIS EVENING...

The Flood Warning for Flat Brook will expire at 10 PM EDT this 
evening for Western Sussex, Northern Warren, and Eastern Monroe 
Counties.

Flood waters have receded and flooding is no longer expected to pose 
a threat in the immediate area. Please continue to heed remaining 
road closures.

A River Flood Warning remains in effect until Saturday afternoon for 
the Delaware River near Tocks Island.

LAT...LON 4109 7500 4109 7499 4111 7498 4111 7497
      4111 7496 4112 7495 4113 7495 4113 7494
      4111 7492 4107 7498


$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 8:09 PM EDTRiver Flood WarningPHIChester7 hr
Apr 7, 10:24 PM EDTAreal Flood WarningPHIPhiladelphia10 hr
Apr 7, 10:32 PM EDTRiver Flood WarningPHIChester, Montgomery, Philadelphia11 hr
Apr 7, 10:41 PM EDTRiver Flood WarningPHIBucks14 hr
Apr 7, 10:46 PM EDTAreal Flood WarningPHIBucks10 hr
Apr 7, 10:47 PM EDTRiver Flood WarningPHIMonroe10 hr
Apr 7, 10:49 PM EDTAreal Flood WarningPHIChester4 hr
Apr 7, 11:27 PM EDTAreal Flood WarningPHIPhiladelphia4 hr
Apr 7, 11:44 PM EDTAreal Flood WarningPHIMontgomery, Philadelphia3 hr
Apr 8, 12:36 AM EDTAreal Flood WarningPHILehigh7 hr
Apr 8, 12:46 AM EDTAreal Flood WarningPHIBerks6 hr
Apr 8, 12:08 PM EDTRiver Flood WarningPHIMonroe, Northampton17 hr
Apr 8, 2:49 PM EDTRiver Flood WarningPHINorthampton20 hr
Apr 8, 2:50 PM EDTRiver Flood WarningPHIBucks20 hr
Apr 7, 8:20 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Somerset, Sussex, Warren3 hr
Apr 7, 8:46 PM EDTAreal Flood AdvisoryPHIMiddlesex, Morris, Somerset3 hr
Apr 7, 9:29 PM EDTAreal Flood WarningPHISomerset4 hr
Apr 7, 9:37 PM EDTAreal Flood WarningPHIMorris11 hr
Apr 7, 10:55 PM EDTAreal Flood WarningPHIWarren57 hr
Apr 7, 10:57 PM EDTRiver Flood WarningPHIMorris, Passaic35 hr
Apr 7, 11:02 PM EDTRiver Flood WarningPHIMorris63 hr
Apr 7, 11:08 PM EDTRiver Flood WarningPHISomerset15 hr
Apr 7, 11:10 PM EDTRiver Flood WarningPHIMiddlesex, Somerset23 hr
Apr 7, 11:11 PM EDTRiver Flood WarningPHIMiddlesex, Somerset20 hr
Apr 7, 11:23 PM EDTRiver Flood WarningPHIHunterdon, Somerset14 hr
Apr 8, 12:17 AM EDTRiver Flood WarningPHIBergen, Morris, Passaic12 hr
Apr 8, 12:18 AM EDTRiver Flood WarningPHIMorris, Passaic18 hr
Apr 8, 5:53 AM EDTRiver Flood WarningPHISomerset23 hr
Apr 8, 10:29 AM EDTRiver Flood WarningPHIEssex, Morris, Passaic5 days
Apr 8, 10:29 AM EDTRiver Flood WarningPHIEssex, Morris, Passaic4 days
Apr 8, 10:29 AM EDTRiver Flood WarningPHIEssex, Passaic3 days
Apr 8, 1:37 PM EDTAreal Flood WarningPHISussex27 hr
Apr 8, 2:13 PM EDTAreal Flood WarningPHIWarren7 hr

Nearby

Areal Flood Warnings in New Jersey, 2022Areal Flood Warnings in Pennsylvania, 2022Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.