Alert archive / New Jersey / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 104, NWS Philadelphia/Mount Holly

July 2, 2022Salem County, New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 2, 2022, 5:54 PM EDT for Salem County, New Jersey; New Castle County, Delaware. It was in force for 24 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 2, 2022, 5:54 PM EDT (21:54 UTC)
Expired
Jul 2, 2022, 6:18 PM EDT
In force
24 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties New Castle County, DE, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 76 km from the middle of the area, began a volume at 21:57 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 2, 3:02 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.9 hours before the alert went out and 176 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 2022-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 226 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 2022-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 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
226 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
-17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

966 
WUUS51 KPHI 022154
SVRPHI
DEC003-NJC033-022245-
/O.NEW.KPHI.SV.W.0104.220702T2154Z-220702T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
554 PM EDT Sat Jul 2 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central New Castle County in northern Delaware...
  Southwestern Salem County in southern New Jersey...

* Until 645 PM EDT.

* At 554 PM EDT, a severe thunderstorm was located over Bear, or near
  Newark, moving southeast at 15 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Pennsville, New Castle, Salem, Alloway, Quinton, Delaware City,
  Saint Georges, Stanton, Bear, Hancocks Bridge, Port Penn,
  Wilmington Manor, Hope Creek, Glasgow and Brookside.

This includes Interstate 95 in Delaware between mile markers 3 and
10.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3972 7565 3955 7526 3945 7538 3946 7539
      3945 7541 3944 7541 3944 7540 3936 7550
      3936 7552 3963 7576
TIME...MOT...LOC 2154Z 310DEG 14KT 3964 7565 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RCM
2 follow-up statements
959 
WWUS51 KPHI 022212
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
612 PM EDT Sat Jul 2 2022

DEC003-NJC033-022245-
/O.CON.KPHI.SV.W.0104.000000T0000Z-220702T2245Z/
New Castle DE-Salem NJ-
612 PM EDT Sat Jul 2 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CENTRAL NEW CASTLE AND SOUTHWESTERN SALEM COUNTIES...

At 612 PM EDT, a severe thunderstorm was located over New Castle, or
7 miles southwest of Wilmington, moving southeast at 15 mph.

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

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Pennsville, New Castle, Salem, Alloway, Quinton, Delaware City, Saint
Georges, Stanton, Bear, Hancocks Bridge, Port Penn, Wilmington Manor
and Glasgow.

This includes Interstate 95 in Delaware between mile markers 8 and
10.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3972 7564 3958 7532 3946 7539 3945 7541
      3943 7541 3943 7542 3957 7571 3959 7572
TIME...MOT...LOC 2212Z 293DEG 12KT 3963 7560 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RCM
464 
WWUS51 KPHI 022218
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
618 PM EDT Sat Jul 2 2022

DEC003-NJC033-022228-
/O.CAN.KPHI.SV.W.0104.000000T0000Z-220702T2245Z/
New Castle DE-Salem NJ-
618 PM EDT Sat Jul 2 2022

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NEW CASTLE AND
SOUTHWESTERN SALEM COUNTIES IS CANCELLED...
                
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 has been cancelled.  However small hail, gusty
winds and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northern Delaware...and southern New Jersey.

LAT...LON 3972 7564 3958 7532 3946 7539 3945 7541
      3943 7541 3943 7542 3957 7571 3959 7572
TIME...MOT...LOC 2216Z 310DEG 14KT 3961 7558 

$$

RCM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 12:33 AM EDTSpecial Weather StatementPHISussex27 min
Jul 2, 3:04 AM EDTSpecial Weather StatementPHISussex26 min
Jul 2, 3:21 PM EDTSpecial Weather StatementPHIOcean24 min
Jul 2, 4:36 PM EDTSpecial Marine WarningPHI21 min
Jul 2, 4:36 PM EDTSpecial Weather StatementPHIMonmouth24 min
Jul 2, 4:54 PM EDTSpecial Weather StatementPHIBurlington36 min
Jul 2, 5:25 PM EDTSpecial Weather StatementPHIMonmouth35 min
Jul 2, 5:34 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean41 min
Jul 2, 5:54 PM EDTSpecial Marine WarningPHI66 min
Jul 2, 6:05 PM EDTSevere Thunderstorm WarningPHIMonmouth40 min
Jul 2, 6:06 PM EDTSpecial Marine WarningPHI54 min
Jul 2, 6:26 PM EDTSevere Thunderstorm WarningPHIMonmouth13 min
Jul 2, 6:51 PM EDTSpecial Weather StatementPHISalem54 min
Jul 2, 6:52 PM EDTSpecial Marine WarningPHI68 min
Jul 2, 7:51 PM EDTSpecial Weather StatementPHISussex24 min
Jul 2, 6:57 PM EDTAreal Flood AdvisoryPHINew Castle5 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2022Severe Thunderstorm Warnings in Delaware, 2022Every severe thunderstorm warning in 2022

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.