Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 86, NWS Philadelphia/Mount Holly

June 25, 2023Burlington County, Camden County, Gloucester County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 25, 2023, 5:43 PM EDT for Burlington County, Camden County, Gloucester County, New Jersey. It was in force for 32 min. 4 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
Jun 25, 2023, 5:43 PM EDT (21:43 UTC)
Expired
Jun 25, 2023, 6:15 PM EDT
In force
32 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ

The radar

The Philadelphia radar (KDIX), 46 km from the middle of the area, began a volume at 21:42 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
Jun 25, 5:45 PM EDTHAIL 0.251 Nnw Atco, NJPea size hail reported near the intersection of Jackson Rd and Anderson Ave between 5:45pm and 5:55pm.
Jun 25, 5:45 PM EDTHAIL 0.251 Nnw Atco, NJPea size hail reported near the intersection of Jackson Rd and Anderson Ave between 5:45pm and 5:55pm.
Jun 25, 5:48 PM EDTHAIL 0.51 Wnw Waterford Twp, NJReport from mPING: Half-inch (0.50 in.).
Jun 25, 5:48 PM EDTHAIL 0.51 Wnw Waterford Twp, NJReport from mPING: Half-inch (0.50 in.).

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, 9.7 hours before the alert went out and 205 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 2023-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 435 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 2023-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
435 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

424 
WUUS51 KPHI 252143
SVRPHI
NJC005-007-015-252215-
/O.NEW.KPHI.SV.W.0086.230625T2143Z-230625T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
543 PM EDT Sun Jun 25 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southeastern Camden County in southern New Jersey...
  East central Gloucester County in southern New Jersey...
  West central Burlington County in southern New Jersey...

* Until 615 PM EDT.

* At 542 PM EDT, a severe thunderstorm was located over Atco, or 14
  miles southeast of Gloucester City, moving southeast at 10 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Evesham, Voorhees, Lindenwold, Berlin, Tabernacle, Chesilhurst,
  Atco, Sicklerville, Williamstown, Marlton Lakes, Monroe Township,
  Marlton, Springdale, Greentree, Pine Hill, Clementon, Medford
  Lakes, Gibbsboro and Pine Valley.

This includes Atlantic City Expressway between mile markers 30 and
42.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

In addition to hail and damaging winds, frequent cloud to ground 
lightning is occurring with this storm. Move indoors immediately. 
Remember, if you can hear thunder, you are close enough to be struck 
by lightning.

&&

LAT...LON 3965 7483 3960 7489 3972 7507 3990 7492
      3985 7468
TIME...MOT...LOC 2142Z 300DEG 10KT 3975 7491 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MLB
2 follow-up statements
893 
WWUS51 KPHI 252158
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
558 PM EDT Sun Jun 25 2023

NJC005-007-015-252215-
/O.CON.KPHI.SV.W.0086.000000T0000Z-230625T2215Z/
Camden NJ-Gloucester NJ-Burlington NJ-
558 PM EDT Sun Jun 25 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SOUTHEASTERN CAMDEN...EAST CENTRAL GLOUCESTER AND WEST CENTRAL
BURLINGTON COUNTIES...

At 557 PM EDT, a severe thunderstorm was located over Chesilhurst, or
17 miles southeast of Gloucester City, moving southeast at 10 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Evesham, Voorhees, Lindenwold, Berlin, Tabernacle, Chesilhurst, Atco,
Sicklerville, Williamstown, Marlton Lakes, Monroe Township, Marlton,
Springdale, Greentree, Pine Hill, Clementon, Medford Lakes, Gibbsboro
and Pine Valley.

This includes Atlantic City Expressway between mile markers 30 and
42.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3965 7483 3960 7489 3972 7507 3990 7492
      3985 7468
TIME...MOT...LOC 2157Z 300DEG 10KT 3973 7486 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MLB
909 
WWUS51 KPHI 252213
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
613 PM EDT Sun Jun 25 2023

NJC005-007-015-252223-
/O.EXP.KPHI.SV.W.0086.000000T0000Z-230625T2215Z/
Camden NJ-Gloucester NJ-Burlington NJ-
613 PM EDT Sun Jun 25 2023

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CAMDEN...EAST
CENTRAL GLOUCESTER AND WEST CENTRAL BURLINGTON COUNTIES WILL EXPIRE
AT 615 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 3965 7483 3960 7489 3972 7507 3990 7492
      3985 7468
TIME...MOT...LOC 2213Z 300DEG 10KT 3971 7481 

$$

MLB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 8:13 PM EDTSpecial Weather StatementPHIWarren32 min
Jun 24, 8:18 PM EDTAreal Flood AdvisoryPHIWarren3 hr
Jun 25, 11:26 AM EDTSpecial Weather StatementPHIOcean34 min
Jun 25, 12:20 PM EDTSpecial Weather StatementPHIOcean25 min
Jun 25, 12:32 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Ocean28 min
Jun 25, 12:50 PM EDTAreal Flood AdvisoryPHIBurlington, Ocean3 hr
Jun 25, 2:25 PM EDTSpecial Weather StatementPHIOcean35 min
Jun 25, 3:09 PM EDTSpecial Weather StatementPHIHunterdon36 min
Jun 25, 3:18 PM EDTAreal Flood AdvisoryPHIHunterdon3 hr
Jun 25, 4:01 PM EDTFlash Flood WarningPHIBurlington, Camden4 hr
Jun 25, 4:05 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden25 min
Jun 25, 4:52 PM EDTSpecial Weather StatementPHICamden23 min
Jun 25, 4:57 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden33 min
Jun 25, 5:13 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester32 min
Jun 25, 5:22 PM EDTFlash Flood WarningPHICamden3 hr
Jun 25, 6:13 PM EDTSpecial Weather StatementPHIBurlington, Camden32 min
Jun 25, 6:21 PM EDTSpecial Weather StatementPHISomerset24 min
Jun 25, 6:26 PM EDTSevere Thunderstorm WarningPHIBurlington34 min
Jun 25, 6:31 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Morris, Somerset29 min
Jun 25, 6:53 PM EDTSevere Thunderstorm WarningPHIBurlington, Monmouth, Ocean37 min
Jun 25, 6:57 PM EDTAreal Flood AdvisoryPHIMiddlesex, Morris, Somerset3 hr
Jun 25, 7:20 PM EDTSpecial Weather StatementPHIMonmouth25 min
Jun 25, 7:35 PM EDTSpecial Weather StatementPHIMiddlesex25 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2023Every severe thunderstorm warning in 2023

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.