Alert archive / New Jersey / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 197, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 3, 2020, 6:59 PM EDT for Burlington County, Camden County, Gloucester County, New Jersey; Philadelphia County, Pennsylvania. It was in force for 31 min. 5 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
- Aug 3, 2020, 6:59 PM EDT (22:59 UTC)
- Expired
- Aug 3, 2020, 7:30 PM EDT
- In force
- 31 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 3, 7:01 PM EDT | TSTM WND DMG | 1 Ese Sewell, NJ | DOWNED POWER LINES NEAR MANTUA BOULEVARD IN SEWELL. TIME ESTIMATED FROM RADAR. |
| Aug 3, 7:10 PM EDT | TSTM WND DMG | Haddon Township, NJ | WIRES DOWN. |
| Aug 3, 7:18 PM EDT | TSTM WND DMG | 1 S Ellisburg, NJ | DOWNED TREES AND WIRES NEAR COTSWOLD LANE IN CHERRY HILL. TIME ESTIMATED FROM RADAR. |
| Aug 3, 7:20 PM EDT | TSTM WND DMG | Cherry Hill, NJ | TREES DOWN ON BURNT MILLS RD. AND WALT WHITMAN BLVD. |
| Aug 3, 7:35 PM EDT | TSTM WND DMG | Mount Laurel, NJ | SIDING BLOWN OFF BUILDING IN MOUNT LAUREL. |
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, 11.0 hours before the alert went out and 211 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.
906
WUUS51 KPHI 032259
SVRPHI
NJC005-007-015-PAC101-032330-
/O.NEW.KPHI.SV.W.0197.200803T2259Z-200803T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
659 PM EDT Mon Aug 3 2020
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Camden County in southern New Jersey...
North central Gloucester County in southern New Jersey...
West central Burlington County in southern New Jersey...
Central Philadelphia County in southeastern Pennsylvania...
* Until 730 PM EDT.
* At 659 PM EDT, a severe thunderstorm was located over Woodbury
Heights, or 7 miles south of Gloucester City, moving northeast at
25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Evesham, Mount
Laurel, Deptford, Voorhees, West Deptford, Glassboro, Lindenwold,
Bellmawr, Woodbury, Pitman, Berlin, Palmyra, Paulsboro, Magnolia,
Westville and Woodbury Heights.
This includes the following highways...
New Jersey Turnpike between exits 3 and 4.
Interstate 95 in Pennsylvania between mile markers 17 and 18.
Interstate 76 in Pennsylvania near mile marker 351.
Interstate 76 in New Jersey between mile markers 0 and 3.
Interstate 295 in New Jersey between mile markers 17 and 40.
Interstate 676 in New Jersey between mile markers 0 and 3.
Atlantic City Expressway between mile markers 42 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 3966 7513 3980 7528 4003 7501 3989 7481
TIME...MOT...LOC 2259Z 224DEG 24KT 3979 7516
HAIL...<.75IN
WIND...60MPH
$$
Robertson1 follow-up statement
646
WWUS51 KPHI 032319
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
719 PM EDT Mon Aug 3 2020
PAC101-032329-
/O.CAN.KPHI.SV.W.0197.000000T0000Z-200803T2330Z/
Philadelphia PA-
719 PM EDT Mon Aug 3 2020
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PHILADELPHIA COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3974 7502 3986 7516 4002 7500 3989 7481
TIME...MOT...LOC 2319Z 227DEG 23KT 3984 7502
$$
NJC005-007-015-032330-
/O.CON.KPHI.SV.W.0197.000000T0000Z-200803T2330Z/
Camden NJ-Gloucester NJ-Burlington NJ-
719 PM EDT Mon Aug 3 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN CAMDEN...NORTH CENTRAL GLOUCESTER AND WEST CENTRAL
BURLINGTON COUNTIES...
At 719 PM EDT, a severe thunderstorm was located over Echelon, or
near Gloucester City, moving northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Camden, Gloucester City, Cherry Hill, Evesham, Mount Laurel,
Voorhees, Lindenwold, Bellmawr, Woodbury, Berlin, Palmyra, Magnolia,
Westville, Brooklawn, Audubon Park, Barclay-Kingston, Cherry Hill
Mall, Golden Triangle, Marlton and Erlton-Ellisburg.
This includes the following highways...
New Jersey Turnpike between exits 3 and 4.
Interstate 76 in New Jersey between mile markers 0 and 2.
Interstate 295 in New Jersey between mile markers 24 and 40.
Interstate 676 in New Jersey near mile marker 0.
Atlantic City Expressway between mile markers 42 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 3974 7502 3986 7516 4002 7500 3989 7481
TIME...MOT...LOC 2319Z 227DEG 23KT 3984 7502
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, 7:02 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 28 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, 2020Severe Thunderstorm Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.