Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

July 14, 2021Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 14, 2021, 5:54 PM EDT for Ocean County, New Jersey. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 14, 2021, 5:54 PM EDT (21:54 UTC)
Expired
Jul 14, 2021, 6:45 PM EDT
In force
51 min
Issued by
NWS Philadelphia/Mount Holly

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 33 km from the middle of the area, began a volume at 21:56 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

Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 140 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, Brookhaven, NY at 12:00Z on 2021-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1588 joules per kilogram.LCLLFCEL10008507005003002001001 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, Brookhaven, NY at 12:00Z on 2021-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 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
1588 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
506 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

265 
WWUS81 KPHI 142154
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
554 PM EDT Wed Jul 14 2021

NJZ020-026-142245-
Coastal Ocean-Ocean-
554 PM EDT Wed Jul 14 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN OCEAN COUNTY...

At 554 PM EDT, a strong thunderstorm was located over Dover Beaches
North, or near Toms River, moving east at 10 mph.

Wind gusts up to 40 mph are possible with this storm.

Locations impacted include...
Toms River, Beachwood, Point Pleasant Beach, Seaside Heights,
Mantoloking, Brick Township, Dover Beaches North, Leisure Village
East, Dover Beaches South, Point Pleasant, Brielle, Island Heights,
Bay Head and Gilford Park.

This includes Garden State Parkway between mile markers 90 and 92.
 
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3992 7419 4009 7416 4011 7377 3983 7381
TIME...MOT...LOC 2154Z 279DEG 10KT 4000 7408 

$$

Fitzsimmons

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 3:42 PM EDTSpecial Weather StatementPHIMorris18 min
Jul 14, 5:47 PM EDTSpecial Marine WarningPHI43 min
Jul 14, 6:41 PM EDTSpecial Weather StatementPHIMonmouth34 min
Jul 14, 7:03 PM EDTSpecial Marine WarningPHI61 min
Jul 14, 7:03 PM EDTSevere Thunderstorm WarningPHIMonmouth42 min
Jul 14, 7:24 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth36 min
Jul 14, 7:26 PM EDTAreal Flood AdvisoryPHIMiddlesex, Monmouth2 hr
Jul 14, 7:37 PM EDTFlash Flood WarningPHIMonmouth3 hr

Nearby

Special Weather Statements in New Jersey, 2021Every special weather statement in 2021

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.