Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

June 19, 2021Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 19, 2021, 5:40 PM EDT for Ocean County, New Jersey. It was in force for 35 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
Jun 19, 2021, 5:40 PM EDT (21:40 UTC)
Expired
Jun 19, 2021, 6:15 PM EDT
In force
35 min
Issued by
NWS Philadelphia/Mount Holly

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 21 km from the middle of the area, began a volume at 21:39 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, 9.7 hours before the alert went out and 172 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 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 254 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
10 J/kg
Mixed-layer CIN
-293 J/kg
Mixed-layer LCL
877 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
254 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

820 
WWUS81 KPHI 192140
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
540 PM EDT Sat Jun 19 2021

NJZ020-026-027-192215-
Coastal Ocean-Ocean-Southeastern Burlington-
540 PM EDT Sat Jun 19 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL OCEAN AND EAST CENTRAL
BURLINGTON COUNTIES...

At 539 PM EDT, a strong thunderstorm was located near Old Halfway, or
18 miles southwest of Toms River, moving east at 25 mph.

Wind gusts up to 50 mph and pea size hail are possible with this
storm.

Locations impacted include...
Barnegat, Surf City, Brookville, Warren Grove, Bamber Lake, Old
Halfway, Penn State Forest, Beach Haven West, Manahawkin, Ocean Acres
and Waretown.

This includes Garden State Parkway between mile markers 62 and 78.
 
If outdoors, consider seeking shelter inside a building.

LAT...LON 3971 7452 3989 7451 3992 7406 3977 7409
      3966 7413
TIME...MOT...LOC 2139Z 272DEG 21KT 3980 7442 

$$

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 3:54 AM EDTSpecial Weather StatementPHIHunterdon36 min
Jun 19, 5:17 PM EDTSpecial Weather StatementPHIOcean28 min
Jun 19, 5:46 PM EDTSpecial Marine WarningPHI32 min
Jun 19, 5:59 PM EDTAreal Flood AdvisoryPHIMorris, Sussex2 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.