Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 39, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 26, 2021, 10:40 PM EDT for 4 counties in New Jersey. It was in force for 50 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
- May 26, 2021, 10:40 PM EDT (02:40 UTC)
- Expired
- May 26, 2021, 11:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ
The radar
The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 02:40 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 26, 10:47 PM EDT | TSTM WND DMG | 3 N Mullica Twp, NJ | DOWNED WIRES NEAR NESCO ROAD. 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
Brookhaven, NY (KOKX), launched 00:00Z, 2.7 hours before the alert went out and 201 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.
- Mixed-layer CAPE
- 357 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
219
WUUS51 KPHI 270240
SVRPHI
NJC001-005-007-015-270330-
/O.NEW.KPHI.SV.W.0039.210527T0240Z-210527T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1040 PM EDT Wed May 26 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Atlantic County in southern New Jersey...
Southeastern Camden County in southern New Jersey...
East central Gloucester County in southern New Jersey...
Southern Burlington County in southern New Jersey...
* Until 1130 PM EDT.
* At 1040 PM EDT, a severe thunderstorm was located over Chesilhurst,
or 17 miles north of Vineland, moving east at 40 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...
Hammonton, Berlin, Tabernacle, Shamong, Chesilhurst, Atco,
Sicklerville, Wharton State Forest, Atsion, Batsto, Chatsworth,
Penn State Forest, Marlton Lakes, Williamstown, Pine Hill, Folsom,
Pine Valley and Collings Lakes.
This includes Atlantic City Expressway between mile markers 26 and
41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
In addition to large 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 3957 7490 3977 7504 3992 7448 3971 7438
3968 7439
TIME...MOT...LOC 0240Z 251DEG 34KT 3970 7488
HAIL...1.00IN
WIND...60MPH
$$
Meola2 follow-up statements
872
WWUS51 KPHI 270300
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1100 PM EDT Wed May 26 2021
NJC015-270310-
/O.CAN.KPHI.SV.W.0039.000000T0000Z-210527T0330Z/
Gloucester NJ-
1100 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GLOUCESTER COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3961 7470 3982 7484 3992 7448 3971 7438
3968 7439
TIME...MOT...LOC 0300Z 247DEG 39KT 3978 7458
$$
NJC001-005-007-270330-
/O.CON.KPHI.SV.W.0039.000000T0000Z-210527T0330Z/
Atlantic NJ-Camden NJ-Burlington NJ-
1100 PM EDT Wed May 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR NORTH CENTRAL ATLANTIC...EAST CENTRAL CAMDEN AND SOUTHEASTERN
BURLINGTON COUNTIES...
At 1100 PM EDT, a severe thunderstorm was located near Wharton State
Forest, or 25 miles southwest of Toms River, moving east at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Hammonton, Tabernacle, Shamong, Batsto, Wharton State Forest, Atsion,
Chatsworth and Penn State Forest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Protecting yourself from immediate threats to life and safety shall
take priority. Whenever possible, as long as it does not cause
greater harm, all COVID-19 protective action guidance should be
followed.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3961 7470 3982 7484 3992 7448 3971 7438
3968 7439
TIME...MOT...LOC 0300Z 247DEG 39KT 3978 7458
HAIL...0.75IN
WIND...60MPH
$$
Meola546
WWUS51 KPHI 270321
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1121 PM EDT Wed May 26 2021
NJC001-005-007-270331-
/O.EXP.KPHI.SV.W.0039.000000T0000Z-210527T0330Z/
Atlantic NJ-Camden NJ-Burlington NJ-
1121 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ATLANTIC...EAST
CENTRAL CAMDEN AND SOUTHEASTERN BURLINGTON COUNTIES WILL EXPIRE AT
1130 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 3961 7470 3982 7484 3992 7448 3971 7438
3968 7439
TIME...MOT...LOC 0321Z 251DEG 34KT 3984 7435
$$
MeolaThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 8:36 PM EDT | Special Weather Statement | PHI | Cape May | 39 min |
| May 26, 8:40 PM EDT | Special Marine Warning | PHI | 65 min | |
| May 26, 10:14 PM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Camden, Gloucester | 46 min |
| May 26, 10:35 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Ocean | 40 min |
| May 26, 11:20 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 40 min |
| May 26, 11:21 PM EDT | Special Marine Warning | PHI | 54 min | |
| May 27, 12:07 AM EDT | Special Marine Warning | PHI | 23 min | |
| May 27, 3:30 PM EDT | Gale Watch | PHI | 12 hr |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2021Every severe thunderstorm warning in 2021
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.