Alert archive / New Jersey / Special Weather Statements in 2020

Special Weather Statement, NWS Philadelphia/Mount Holly

August 2, 2020Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 2, 2020, 9:01 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
Aug 2, 2020, 9:01 PM EDT (01:01 UTC)
Expired
Aug 2, 2020, 9:45 PM EDT
In force
44 min
Issued by
NWS Philadelphia/Mount Holly

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 01:02 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, 1.0 hours before the alert went out and 167 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 00:00Z on 2020-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2441 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 00:00Z on 2020-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
2441 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1213 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

540 
WWUS81 KPHI 030101
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
901 PM EDT Sun Aug 2 2020

NJZ021>023-025-027-030145-
Coastal Atlantic-Cumberland-Atlantic-Cape May-Southeastern
Burlington-
901 PM EDT Sun Aug 2 2020

...A STRONG THUNDERSTORM WILL AFFECT ATLANTIC...SOUTHEASTERN
CUMBERLAND AND NORTHWESTERN CAPE MAY COUNTIES...

At 901 PM EDT, a strong thunderstorm was located over Cumberland, or
near Millville, moving northeast at 40 mph.

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

Locations impacted include...
Vineland, Atlantic City, Millville, Ocean City, Cumberland,
Pleasantville, Somers Point, Ventnor City, Northfield, Absecon,
Margate City, Egg Harbor City, Laurel Lake, Weymouth, Woodbine,
Estell Manor, Port Republic, Corbin City, Leesburg and
Elwood-Magnolia.

This includes the following highways...
 Garden State Parkway between mile markers 28 and 46.
 Atlantic City Expressway between mile markers 0 and 22.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3927 7469 3924 7485 3923 7511 3942 7513
      3964 7454 3936 7441
TIME...MOT...LOC 0101Z 244DEG 33KT 3936 7498 

$$

NC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 8:09 PM EDTSpecial Marine WarningPHI36 min
Aug 2, 8:53 PM EDTRip Current StatementPHIAtlantic, Cape May, Monmouth, Ocean51 hr
Aug 2, 8:53 PM EDTHigh Surf AdvisoryPHIAtlantic, Cape May, Monmouth, Ocean51 hr
Aug 2, 10:18 PM EDTSpecial Weather StatementPHIWarren42 min
Aug 2, 11:42 PM EDTSpecial Weather StatementPHICumberland33 min
Aug 2, 11:49 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more41 min
Aug 3, 5:08 AM EDTTropical Storm WarningPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more39 hr
Aug 3, 4:26 PM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more38 hr
Aug 3, 6:03 PM EDTSpecial Marine WarningPHI12 min
Aug 3, 6:05 PM EDTSevere Thunderstorm WarningPHICumberland22 min
Aug 3, 6:19 PM EDTSpecial Weather StatementPHISalem26 min
Aug 3, 6:32 PM EDTSpecial Weather StatementPHICamden, Cumberland, Gloucester, Salem28 min
Aug 3, 6:48 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester27 min
Aug 3, 6:59 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester31 min
Aug 3, 7:02 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem28 min
Aug 3, 7:12 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Monmouth, Ocean48 min
Aug 3, 7:20 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Mercer, Monmouth40 min
Aug 3, 7:43 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean62 min
Aug 3, 7:52 PM EDTSpecial Marine WarningPHI73 min
Aug 3, 7:56 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean, Somerset52 min
Aug 2, 8:00 PM EDTSpecial Weather StatementPHIKent30 min
Aug 3, 3:05 PM EDTSpecial Weather StatementPHISussex25 min
Aug 3, 3:27 PM EDTSpecial Weather StatementPHISussex48 min
Aug 3, 3:40 PM EDTSpecial Weather StatementPHITalbot35 min
Aug 3, 4:26 PM EDTCoastal Flood WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot27 hr

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.