Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 64, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 8, 2021, 4:56 PM EDT for Atlantic County, Camden County, Gloucester County, New Jersey. It was in force for 49 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 8, 2021, 4:56 PM EDT (20:56 UTC)
- Expired
- Jun 8, 2021, 5:45 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Atlantic County, NJ, Camden County, NJ, Gloucester County, NJ
The radar
The Philadelphia radar (KDIX), 50 km from the middle of the area, began a volume at 21:00 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 |
|---|---|---|---|
| Jun 8, 5:00 PM EDT | TSTM WND DMG | 1 Se Monroe Twp, NJ | POWER LINES DOWNED. TIME ESTIMATED FROM RADAR. |
| Jun 8, 5:21 PM EDT | HAIL 1 | 2 Ssw Winslow Twp, NJ | AN MPING REPORT OF QUARTER SIZE HAIL. |
| Jun 8, 5:25 PM EDT | TSTM WND DMG | Monroe Twp, NJ | TREE LIMBS DOWN IN MONROE. TIME ESTIMATED FROM RADAR. |
| Jun 8, 5:50 PM EDT | TSTM WND DMG | 1 Ne Folsom, NJ | DOWNED TREE ON THE ATLANTIC CITY EXPRESSWAY WB ENTRANCE RAMP. 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
Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.9 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
- 152 J/kg
- Mixed-layer CIN
- -137 J/kg
- Mixed-layer LCL
- 1181 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -51 m²/s²
- 0-3 km storm-relative helicity
- -38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
485
WUUS51 KPHI 082056
SVRPHI
NJC001-007-015-082145-
/O.NEW.KPHI.SV.W.0064.210608T2056Z-210608T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
456 PM EDT Tue Jun 8 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...
Southeastern Gloucester County in southern New Jersey...
* Until 545 PM EDT.
* At 456 PM EDT, a severe thunderstorm was located over Victory
Lakes, or 11 miles north of Vineland, moving east 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...
Glassboro, Hammonton, Clayton, Berlin, Chesilhurst, Newfield, Atco,
Franklinville, Victory Lakes, Sicklerville, Williamstown, Malaga,
Monroe Township, Folsom and Collings Lakes.
This includes Atlantic City Expressway between mile markers 26 and
41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3962 7471 3954 7502 3958 7508 3970 7512
3980 7490 3978 7489 3979 7483 3978 7480
TIME...MOT...LOC 2056Z 257DEG 11KT 3964 7501
HAIL...1.00IN
WIND...60MPH
$$
Staarmann2 follow-up statements
193
WWUS51 KPHI 082111
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
511 PM EDT Tue Jun 8 2021
NJC001-007-015-082145-
/O.CON.KPHI.SV.W.0064.000000T0000Z-210608T2145Z/
Atlantic NJ-Camden NJ-Gloucester NJ-
511 PM EDT Tue Jun 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHWESTERN ATLANTIC...SOUTHEASTERN CAMDEN AND SOUTHEASTERN
GLOUCESTER COUNTIES...
At 510 PM EDT, a severe thunderstorm was located over Victory Lakes,
or 13 miles north of Vineland, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Glassboro, Hammonton, Clayton, Berlin, Chesilhurst, Newfield, Atco,
Franklinville, Victory Lakes, Sicklerville, Williamstown, Malaga,
Monroe Township, Folsom and Collings Lakes.
This includes Atlantic City Expressway between mile markers 26 and
41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3962 7471 3954 7502 3958 7508 3970 7512
3980 7490 3978 7489 3979 7483 3978 7480
TIME...MOT...LOC 2110Z 257DEG 11KT 3965 7495
HAIL...1.00IN
WIND...60MPH
$$
Staarmann018
WWUS51 KPHI 082125
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
525 PM EDT Tue Jun 8 2021
NJC001-007-015-082145-
/O.CON.KPHI.SV.W.0064.000000T0000Z-210608T2145Z/
Atlantic NJ-Camden NJ-Gloucester NJ-
525 PM EDT Tue Jun 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHWESTERN ATLANTIC...SOUTHEASTERN CAMDEN AND SOUTHEASTERN
GLOUCESTER COUNTIES...
At 525 PM EDT, a severe thunderstorm was located near Victory Lakes,
or 14 miles northeast of Vineland, moving east 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...
Glassboro, Hammonton, Clayton, Berlin, Chesilhurst, Newfield, Atco,
Franklinville, Victory Lakes, Sicklerville, Williamstown, Malaga,
Monroe Township, Folsom and Collings Lakes.
This includes Atlantic City Expressway between mile markers 26 and
41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3962 7471 3954 7502 3958 7508 3970 7512
3980 7490 3978 7489 3979 7483 3978 7480
TIME...MOT...LOC 2125Z 257DEG 11KT 3966 7489
HAIL...1.00IN
WIND...60MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 1:27 PM EDT | Areal Flood Advisory | PHI | Warren | 3 hr |
| Jun 8, 1:49 PM EDT | Special Weather Statement | PHI | Warren | 26 min |
| Jun 8, 1:54 PM EDT | Areal Flood Advisory | PHI | Morris, Sussex | 95 min |
| Jun 8, 2:19 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer | 2 hr |
| Jun 8, 2:29 PM EDT | Special Weather Statement | PHI | Morris | 16 min |
| Jun 8, 2:48 PM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Somerset | 27 min |
| Jun 8, 3:13 PM EDT | Special Weather Statement | PHI | Hunterdon, Somerset | 32 min |
| Jun 8, 3:14 PM EDT | Areal Flood Advisory | PHI | Middlesex, Somerset | 74 min |
| Jun 8, 4:12 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 48 min |
| Jun 8, 4:14 PM EDT | Special Marine Warning | PHI | 91 min | |
| Jun 8, 4:44 PM EDT | Special Weather Statement | PHI | Salem | 31 min |
| Jun 8, 4:47 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 43 min |
| Jun 8, 4:54 PM EDT | Special Marine Warning | PHI | 96 min | |
| Jun 8, 4:58 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 47 min |
| Jun 8, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 45 min |
| Jun 8, 5:43 PM EDT | Special Weather Statement | PHI | Ocean | 32 min |
| Jun 8, 6:01 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 44 min |
| Jun 8, 6:22 PM EDT | Special Marine Warning | PHI | 83 min | |
| Jun 8, 7:39 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jun 8, 7:52 PM EDT | Special Weather Statement | PHI | Cape May | 38 min |
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.