Alert archive / New Jersey / Areal Flood Warnings in 2024

Areal Flood Warning 61, NWS Philadelphia/Mount Holly

March 24, 2024Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood warning at Mar 24, 2024, 12:11 AM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 24, 2024, 12:11 AM EDT (04:11 UTC)
Expired: Mar 24, 2024, 9:22 AM EDT
In force: 9 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: None

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 04:16 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 4.2 hours before the alert went out and 260 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 828 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: -88 m²/s²
0-3 km storm-relative helicity: -29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this areal flood warning went out at Mar 23, 9:10 PM EDT, 3 hours 1 minute earlier.

Area forecast discussion, Mar 23, 9:10 PM EDT, 3 hours 1 minute before

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Hazardous weather outlook, Mar 23, 9:41 PM EDT, 2 hours 30 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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In the hours before

Local storm report, Mar 23, 10:04 PM EDT, 2 hours 7 minutes before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1004 PM EDT Sat Mar 23 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0448 PM     Rain             2 SSW Jackson           40.10N 74.29W
03/23/2024  M3.20 inch       Ocean              NJ   Trained Spotter

&&

RCM

Local storm report, Mar 23, 10:05 PM EDT, 2 hours 6 minutes before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1005 PM EDT Sat Mar 23 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0448 PM     Rain             2 NNE Califon           40.74N 74.82W
03/23/2024  M2.97 inch       Morris             NJ   Trained Spotter

&&

RCM

Local storm report, Mar 23, 10:07 PM EDT, 2 hours 4 minutes before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1007 PM EDT Sat Mar 23 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0501 PM     Rain             Hopelawn                40.52N 74.29W
03/23/2024  E3.34 inch       Middlesex          NJ   Trained Spotter

&&

RCM

Local storm report, Mar 23, 10:08 PM EDT, 2 hours 3 minutes before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1008 PM EDT Sat Mar 23 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0512 PM     Rain             Oxford                  39.79N 75.98W
03/23/2024  M2.10 inch       Chester            PA   Trained Spotter

&&

RCM

Local storm report, Mar 23, 10:09 PM EDT, 2 hours 2 minutes before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1009 PM EDT Sat Mar 23 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0541 PM     Rain             Readington Twp          40.61N 74.78W
03/23/2024  M3.05 inch       Hunterdon          NJ   Trained Spotter

&&

RCM

Local storm report, Mar 23, 10:10 PM EDT, 2 hours 1 minute before

Preliminary Local Storm Report
National Weather Service Mount Holly NJ
1010 PM EDT Sat Mar 23 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0625 PM     Rain             Somerdale               39.85N 75.02W
03/23/2024  M3.84 inch       Camden             NJ   CO-OP Observer

&&

RCM

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 11:18 PM EDT	River Flood Warning	PHI	Morris	26 hr
Mar 24, 12:17 AM EDT	Areal Flood Warning	PHI	Warren	12 hr
Mar 24, 2:37 AM EDT	Areal Flood Warning	PHI	Cumberland, Salem	3 days
Mar 24, 5:23 AM EDT	Small Craft Advisory	PHI		8 hr
Mar 24, 1:44 PM EDT	Small Craft Advisory	PHI		4 days
Mar 24, 3:29 PM EDT	Coastal Flood Warning	PHI	Atlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean	30 hr

Nearby

Areal Flood Warnings in New Jersey, 2024 Every areal flood warning in 2024

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.