Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

July 21, 2021Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 21, 2021, 12:41 PM EDT for Ocean County, New Jersey. It was in force for 34 min. 6 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 21, 2021, 12:41 PM EDT (16:41 UTC)
Expired
Jul 21, 2021, 1:15 PM EDT
In force
34 min
Issued by
NWS Philadelphia/Mount Holly

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 25 km from the middle of the area, began a volume at 16:45 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.

What was reported inside it

TimeReportWhereRemark
Jul 21, 1:05 PM EDTHAIL 0.25Barnegat, NJ
Jul 21, 1:05 PM EDTHAIL 1Ocean Acres, NJ
Jul 21, 1:05 PM EDTHAIL 1Stafford Twp., NJCORRECTS PREVIOUS REPORT FROM STRATFORD NJ
Jul 21, 1:05 PM EDTHAIL 1Stafford Twp., NJ
Jul 21, 1:15 PM EDTHAIL 1Manahawkin, NJ
Jul 21, 1:20 PM EDTTSTM WND GST 50Ocean Acres, NJWXFLOW.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 4.7 hours before the alert went out and 176 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 2021-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 130 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 2021-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
130 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
1495 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

186 
WWUS81 KPHI 211641
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
1241 PM EDT Wed Jul 21 2021

NJZ020-026-027-211715-
Coastal Ocean-Ocean-Southeastern Burlington-
1241 PM EDT Wed Jul 21 2021

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL OCEAN AND EAST
CENTRAL BURLINGTON COUNTIES...

At 1239 PM EDT, strong thunderstorms were clustered over Brookville,
or 17 miles south of Toms River, moving northeast at 10 mph.

Wind gusts up to 40 mph and pea size hail are possible with the 
stronger storms.

Locations impacted include...
Barnegat, Brookville, Warren Grove, Penn State Forest, Beach Haven
West, Manahawkin, Ocean Acres and Waretown.

This includes Garden State Parkway between mile markers 60 and 74.
 
Some cloud to ground lightning is occurring and will also affect 
some of the beaches. Lightning can strike 10 miles away from a 
thunderstorm. Seek a safe shelter inside a building or vehicle.

LAT...LON 3965 7445 3980 7449 3989 7406 3968 7411
TIME...MOT...LOC 1639Z 246DEG 10KT 3976 7431 

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 11:09 AM EDTSpecial Weather StatementPHIMorris36 min
Jul 21, 12:46 PM EDTSpecial Marine WarningPHI89 min
Jul 21, 12:51 PM EDTSevere Thunderstorm WarningPHIAtlantic, Ocean39 min
Jul 21, 12:53 PM EDTSevere Thunderstorm WarningPHIOcean67 min
Jul 21, 1:28 PM EDTSevere Thunderstorm WarningPHIAtlantic47 min
Jul 21, 1:43 PM EDTSevere Thunderstorm WarningPHIOcean49 min
Jul 21, 2:10 PM EDTSpecial Marine WarningPHI95 min
Jul 21, 2:13 PM EDTSevere Thunderstorm WarningPHIBurlington47 min
Jul 21, 2:35 PM EDTSpecial Marine WarningPHI55 min
Jul 21, 2:52 PM EDTSevere Thunderstorm WarningPHIOcean26 min
Jul 21, 3:04 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester56 min
Jul 21, 3:16 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden44 min
Jul 21, 3:27 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester33 min
Jul 21, 3:43 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean47 min
Jul 21, 3:48 PM EDTSpecial Marine WarningPHI57 min
Jul 21, 3:48 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden42 min
Jul 21, 3:57 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Salem33 min
Jul 21, 4:04 PM EDTSpecial Marine WarningPHI56 min
Jul 21, 4:17 PM EDTSpecial Marine WarningPHI58 min
Jul 21, 4:50 PM EDTSpecial Marine WarningPHI55 min
Jul 21, 5:07 PM EDTSpecial Marine WarningPHI23 min
Jul 21, 5:09 PM EDTSpecial Marine WarningPHI66 min
Jul 21, 5:24 PM EDTSpecial Marine WarningPHI46 min
Jul 21, 5:31 PM EDTSevere Thunderstorm WarningPHICape May29 min
Jul 21, 5:52 PM EDTSpecial Marine WarningPHI53 min
Jul 21, 1:08 PM EDTSpecial Weather StatementPHILehigh37 min
Jul 21, 1:11 PM EDTSpecial Weather StatementPHINorthampton34 min
Jul 21, 1:27 PM EDTSevere Thunderstorm WarningPHIBerks48 min
Jul 21, 2:03 PM EDTSevere Thunderstorm WarningPHIBucks, Lehigh, Northampton42 min
Jul 21, 2:14 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Chester, Delaware, Montgomery19 min
Jul 21, 2:41 PM EDTSpecial Weather StatementPHIMontgomery49 min
Jul 21, 2:48 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery, Philadelphia42 min
Jul 21, 2:52 PM EDTSevere Thunderstorm WarningPHIChester, Delaware38 min
Jul 21, 5:59 PM EDTSpecial Weather StatementPHIBerks31 min
Jul 21, 4:50 PM EDTSevere Thunderstorm WarningPHIKent, Sussex25 min
Jul 21, 3:48 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot26 min
Jul 21, 4:16 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's44 min
Jul 21, 4:25 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot30 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.