Alert archive / New Jersey / Special Weather Statements in 2020

Special Weather Statement, NWS Philadelphia/Mount Holly

August 3, 20204 counties in New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 3, 2020, 6:32 PM EDT for 4 counties in New Jersey. It was in force for 28 min. 1 report 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
Aug 3, 2020, 6:32 PM EDT (22:32 UTC)
Expired
Aug 3, 2020, 7:00 PM EDT
In force
28 min
Issued by
NWS Philadelphia/Mount Holly

Counties Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 22:34 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
Aug 3, 7:01 PM EDTTSTM WND DMG1 Ese Sewell, NJDOWNED POWER LINES NEAR MANTUA BOULEVARD IN SEWELL. TIME ESTIMATED FROM RADAR.

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.5 hours before the alert went out and 180 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 2020-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1097 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 2020-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
1097 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
826 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

305 
WWUS81 KPHI 032232
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
632 PM EDT Mon Aug 3 2020

NJZ016>019-021-022-027-032300-
Northwestern
Burlington-Salem-Cumberland-Camden-Atlantic-Gloucester-Southeastern
Burlington-
632 PM EDT Mon Aug 3 2020

...A CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN 
ATLANTIC...CUMBERLAND...SALEM...CAMDEN...GLOUCESTER AND SOUTHERN 
BURLINGTON COUNTIES...

At 631 PM EDT, radar indicated a cluster of strong thunderstorms 
were located along a line extending from Woodstown to near Elwood-
Magnolia. Movement was northeast at 25 mph.

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

Heavy rainfall is also occurring with this storm...and may cause 
ponding on roadways and poor drainage areas. Do not drive your 
vehicle through flooded roadways.

Occasional cloud to ground lightning is occurring with this storm. 
Lightning can strike 15 miles away from a thunderstorm. If you see 
lightning or hear thunder seek a safe shelter inside a building or 
vehicle.

Locations impacted include...
Vineland, Millville, Bridgeton, Cumberland, Deptford, West Deptford,
Glassboro, Lindenwold, Hammonton, Pennsville, Woodbury, Pitman,
Clayton, Berlin, Shamong, Paulsboro, Salem, Buena, Laurel Lake and
Woodstown.

This includes the following highways...
 New Jersey Turnpike between exits 1 and 2.
 Interstate 295 in New Jersey between mile markers 15 and 22.
 Atlantic City Expressway between mile markers 19 and 44.

If outdoors, consider seeking shelter inside a building.

LAT...LON 3922 7504 3958 7558 3986 7524 3977 7443
TIME...MOT...LOC 2231Z 211DEG 21KT 3965 7535 3958 7477 

$$

Robertson

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, 9:01 PM EDTSpecial Weather StatementPHIAtlantic44 min
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, 6:48 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.