Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 198, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 3, 2020, 7:02 PM EDT for Camden County, Gloucester County, Salem County, New Jersey. It was in force for 28 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 3, 2020, 7:02 PM EDT (23:02 UTC)
- Expired
- Aug 3, 2020, 7:30 PM EDT
- In force
- 28 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Camden County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 23:01 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 12:00Z, 11.0 hours before the alert went out and 191 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
- 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
The text
As transmitted.
746
WUUS51 KPHI 032302
SVRPHI
NJC007-015-033-032330-
/O.NEW.KPHI.SV.W.0198.200803T2302Z-200803T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
702 PM EDT Mon Aug 3 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
East central Salem County in southern New Jersey...
Southwestern Camden County in southern New Jersey...
Central Gloucester County in southern New Jersey...
* Until 730 PM EDT.
* At 702 PM EDT, a severe thunderstorm was located over Elmer, or 13
miles northwest of Vineland, moving northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Glassboro, Pitman, Clayton, Chesilhurst, Elmer, Franklinville,
Sicklerville, Williamstown, Olivet, Turnersville, Monroe Township,
Wenonah, Centerton and Blackwood.
This includes Atlantic City Expressway between mile markers 35 and
44.
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 3951 7514 3959 7529 3982 7512 3972 7488
TIME...MOT...LOC 2302Z 214DEG 26KT 3962 7515
HAIL...<.75IN
WIND...60MPH
$$
Robertson1 follow-up statement
495
WWUS51 KPHI 032318
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
718 PM EDT Mon Aug 3 2020
NJC033-032327-
/O.CAN.KPHI.SV.W.0198.000000T0000Z-200803T2330Z/
Salem NJ-
718 PM EDT Mon Aug 3 2020
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SALEM COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3961 7501 3967 7515 3981 7509 3972 7488
TIME...MOT...LOC 2317Z 215DEG 25KT 3969 7505
$$
NJC007-015-032330-
/O.CON.KPHI.SV.W.0198.000000T0000Z-200803T2330Z/
Camden NJ-Gloucester NJ-
718 PM EDT Mon Aug 3 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHWESTERN CAMDEN AND NORTHEASTERN GLOUCESTER COUNTIES...
At 717 PM EDT, a severe thunderstorm was located over Clayton, or 14
miles south of Gloucester City, moving northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Glassboro, Pitman, Clayton, Chesilhurst, Sicklerville, Williamstown,
Turnersville, Monroe Township, Victory Lakes and Blackwood.
This includes Atlantic City Expressway between mile markers 35 and
44.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3961 7501 3967 7515 3981 7509 3972 7488
TIME...MOT...LOC 2317Z 215DEG 25KT 3969 7505
HAIL...<.75IN
WIND...60MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 8:09 PM EDT | Special Marine Warning | PHI | 36 min | |
| Aug 2, 8:53 PM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 51 hr |
| Aug 2, 8:53 PM EDT | High Surf Advisory | PHI | Atlantic, Cape May, Monmouth, Ocean | 51 hr |
| Aug 2, 9:01 PM EDT | Special Weather Statement | PHI | Atlantic | 44 min |
| Aug 2, 10:18 PM EDT | Special Weather Statement | PHI | Warren | 42 min |
| Aug 2, 11:42 PM EDT | Special Weather Statement | PHI | Cumberland | 33 min |
| Aug 2, 11:49 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more | 41 min |
| Aug 3, 5:08 AM EDT | Tropical Storm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 39 hr |
| Aug 3, 4:26 PM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more | 38 hr |
| Aug 3, 6:03 PM EDT | Special Marine Warning | PHI | 12 min | |
| Aug 3, 6:05 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 22 min |
| Aug 3, 6:19 PM EDT | Special Weather Statement | PHI | Salem | 26 min |
| Aug 3, 6:32 PM EDT | Special Weather Statement | PHI | Camden, Cumberland, Gloucester, Salem | 28 min |
| Aug 3, 6:48 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 27 min |
| Aug 3, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 31 min |
| Aug 3, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Monmouth, Ocean | 48 min |
| Aug 3, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Mercer, Monmouth | 40 min |
| Aug 3, 7:43 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 62 min |
| Aug 3, 7:52 PM EDT | Special Marine Warning | PHI | 73 min | |
| Aug 3, 7:56 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset | 52 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2020Every severe thunderstorm warning 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.