Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 95, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 15, 2021, 12:12 AM EDT for Atlantic County, Burlington County, Gloucester County, New Jersey. It was in force for 51 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
- Jun 15, 2021, 12:12 AM EDT (04:12 UTC)
- Expired
- Jun 15, 2021, 1:03 AM EDT
- In force
- 51 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, Gloucester County, NJ
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 14, 7:29 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 4.2 hours before the alert went out and 193 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
- 464 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 989 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
466
WUUS51 KPHI 150412
SVRPHI
NJC001-005-015-150515-
/O.NEW.KPHI.SV.W.0095.210615T0412Z-210615T0515Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1212 AM EDT Tue Jun 15 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Atlantic County in southern New Jersey...
Southeastern Gloucester County in southern New Jersey...
Southeastern Burlington County in southern New Jersey...
* Until 115 AM EDT.
* At 1212 AM EDT, a severe thunderstorm was located near Mizpah, or 9
miles northeast of Vineland, moving east at 25 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...
Atlantic City, Pleasantville, Hammonton, Brigantine, Absecon,
Buena, Egg Harbor City, Weymouth, Estell Manor, Newfield, Port
Republic, Pomona, Mays Landing, Elwood-Magnolia, Wading River, Bass
River State Forest, Batsto, Mizpah, New Gretna and Mystic Island.
This includes the following highways...
Garden State Parkway between mile markers 38 and 55.
Atlantic City Expressway between mile markers 7 and 28.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3941 7449 3942 7485 3951 7498 3957 7502
3974 7440 3960 7439 3957 7442 3955 7442
3956 7441 3954 7439 3954 7436 3943 7433
TIME...MOT...LOC 0412Z 259DEG 23KT 3954 7486
HAIL...1.00IN
WIND...60MPH
$$
Staarmann3 follow-up statements
301
WWUS51 KPHI 150433
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1233 AM EDT Tue Jun 15 2021
NJC015-150442-
/O.CAN.KPHI.SV.W.0095.000000T0000Z-210615T0515Z/
Gloucester NJ-
1233 AM EDT Tue Jun 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GLOUCESTER COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has weakened.
moved out of the warned area. Therefore, the warning has been
cancelled.
A Severe Thunderstorm Watch remains in effect until 200 AM EDT for
southern New Jersey.
LAT...LON 3941 7449 3942 7485 3949 7495 3961 7487
3974 7440 3960 7439 3957 7442 3955 7442
3956 7441 3954 7439 3954 7436 3943 7433
TIME...MOT...LOC 0432Z 264DEG 17KT 3951 7484
$$
NJC001-005-150515-
/O.CON.KPHI.SV.W.0095.000000T0000Z-210615T0515Z/
Atlantic NJ-Burlington NJ-
1233 AM EDT Tue Jun 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EDT
FOR ATLANTIC AND SOUTHEASTERN BURLINGTON COUNTIES...
At 1232 AM EDT, a severe thunderstorm was located over Mizpah, or 9
miles east of Vineland, moving east at 20 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...
Atlantic City, Pleasantville, Hammonton, Brigantine, Absecon, Buena,
Egg Harbor City, Weymouth, Estell Manor, Port Republic, Pomona, Mays
Landing, Elwood-Magnolia, Wading River, Bass River State Forest,
Batsto, Mizpah, New Gretna, Mystic Island and Folsom.
This includes the following highways...
Garden State Parkway between mile markers 38 and 55.
Atlantic City Expressway between mile markers 7 and 28.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3941 7449 3942 7485 3949 7495 3961 7487
3974 7440 3960 7439 3957 7442 3955 7442
3956 7441 3954 7439 3954 7436 3943 7433
TIME...MOT...LOC 0432Z 264DEG 17KT 3951 7484
HAIL...1.00IN
WIND...60MPH
$$
Staarmann276
WWUS51 KPHI 150449
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1249 AM EDT Tue Jun 15 2021
NJC001-005-150515-
/O.CON.KPHI.SV.W.0095.000000T0000Z-210615T0515Z/
Atlantic NJ-Burlington NJ-
1249 AM EDT Tue Jun 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EDT
FOR CENTRAL ATLANTIC AND SOUTHEASTERN BURLINGTON COUNTIES...
At 1249 AM EDT, a severe thunderstorm was located near Mays Landing,
or 15 miles northwest of Atlantic City, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Atlantic City, Pleasantville, Brigantine, Absecon, Egg Harbor City,
Weymouth, Estell Manor, Port Republic, Pomona, Mays Landing,
Elwood-Magnolia, Wading River, Bass River State Forest, New Gretna
and Mystic Island.
This includes the following highways...
Garden State Parkway between mile markers 38 and 55.
Atlantic City Expressway between mile markers 7 and 23.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3941 7449 3942 7483 3956 7480 3974 7440
3960 7439 3957 7442 3955 7442 3956 7441
3954 7439 3954 7436 3943 7433
TIME...MOT...LOC 0449Z 261DEG 23KT 3950 7469
HAIL...<.75IN
WIND...60MPH
$$
Staarmann603
WWUS51 KPHI 150503
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
103 AM EDT Tue Jun 15 2021
NJC001-005-150513-
/O.CAN.KPHI.SV.W.0095.000000T0000Z-210615T0515Z/
Atlantic NJ-Burlington NJ-
103 AM EDT Tue Jun 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ATLANTIC AND
SOUTHEASTERN BURLINGTON 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 and
gusty winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 200 AM EDT for
southern New Jersey.
LAT...LON 3941 7449 3942 7483 3956 7480 3974 7440
3960 7439 3957 7442 3955 7442 3956 7441
3954 7439 3954 7436 3943 7433
TIME...MOT...LOC 0501Z 259DEG 23KT 3952 7458
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 52 min |
| Jun 14, 8:34 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 41 min |
| Jun 14, 8:55 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 50 min |
| Jun 14, 9:11 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 1 more | 49 min |
| Jun 14, 9:12 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 1 more | 74 min |
| Jun 14, 9:17 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 3 hr |
| Jun 14, 9:29 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 46 min |
| Jun 14, 9:54 PM EDT | Areal Flood Advisory | PHI | Monmouth | 97 min |
| Jun 14, 9:58 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 32 min |
| Jun 14, 10:01 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jun 14, 10:07 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 53 min |
| Jun 14, 10:51 PM EDT | Special Marine Warning | PHI | 114 min | |
| Jun 14, 11:07 PM EDT | Special Marine Warning | PHI | 113 min | |
| Jun 14, 11:21 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 39 min |
| Jun 14, 11:42 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Gloucester, Salem | 63 min |
| Jun 14, 11:47 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean, Salem | 118 min |
| Jun 15, 12:04 AM EDT | Special Marine Warning | PHI | 116 min | |
| Jun 15, 1:00 AM EDT | Special Marine Warning | PHI | 88 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; the sounding from the Mesonet's radiosonde archive.