Alert archive / New Jersey / Special Weather Statements in 2020

Special Weather Statement, NWS Philadelphia/Mount Holly

July 5, 2020Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 5, 2020, 4:01 PM EDT for Atlantic County, New Jersey. It was in force for 44 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 5, 2020, 4:01 PM EDT (20:01 UTC)
Expired
Jul 5, 2020, 4:45 PM EDT
In force
44 min
Issued by
NWS Philadelphia/Mount Holly

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 20:05 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 12:00Z, 8.0 hours before the alert went out and 174 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, Wallops Is Stn, VA at 12:00Z on 2020-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Wallops Is Stn, VA at 12:00Z on 2020-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1487 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

549 
WWUS81 KPHI 052001
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
401 PM EDT Sun Jul 5 2020

NJZ021>023-052045-
Cumberland-Atlantic-Cape May-
401 PM EDT Sun Jul 5 2020

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN ATLANTIC...
NORTHEASTERN CUMBERLAND AND NORTH CENTRAL CAPE MAY COUNTIES...

At 401 PM EDT, a strong thunderstorm was located over Vineland,
moving south at 10 mph.

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

Locations impacted include...
Vineland, Millville, Cumberland, Buena, Woodbine, Estell Manor,
Corbin City, Dorothy, Belleplain Forest, English Creek, Mizpah and
South Vineland.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3933 7464 3920 7484 3948 7508 3950 7507
      3953 7500 3951 7499 3956 7494 3957 7491
TIME...MOT...LOC 2001Z 339DEG 7KT 3946 7496 

$$

JEO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 1:22 PM EDTSpecial Marine WarningPHI53 min
Jul 5, 2:08 PM EDTSpecial Marine WarningPHI41 min
Jul 5, 2:44 PM EDTSpecial Marine WarningPHI46 min
Jul 5, 2:54 PM EDTSevere Thunderstorm WarningPHIAtlantic51 min
Jul 5, 3:02 PM EDTSpecial Marine WarningPHI58 min
Jul 5, 3:18 PM EDTAreal Flood AdvisoryPHIAtlantic66 min
Jul 5, 3:26 PM EDTSpecial Marine WarningPHI49 min
Jul 5, 3:39 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May23 min
Jul 5, 3:42 PM EDTSpecial Marine WarningPHI38 min
Jul 5, 1:25 PM EDTSpecial Weather StatementPHIKent35 min
Jul 5, 1:56 PM EDTSpecial Weather StatementPHIKent34 min
Jul 5, 2:29 PM EDTSpecial Weather StatementPHISussex31 min
Jul 5, 2:16 PM EDTSpecial Weather StatementPHICecil29 min

Nearby

Special Weather Statements in New Jersey, 2020Every special weather statement in 2020

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.