Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 91, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2021, 11:21 PM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 39 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
- Jun 14, 2021, 11:21 PM EDT (03:21 UTC)
- Expired
- Jun 15, 2021, 12:00 AM EDT
- In force
- 39 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 14, 11:21 PM EDT | TSTM WND DMG | Bass River Twp, NJ | SEVERAL REPORTS OF POWER LINES DOWN IN THE BASS RIVER AREA. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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
Brookhaven, NY (KOKX), launched 00:00Z, 3.4 hours before the alert went out and 184 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1380 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
833
WUUS51 KPHI 150321
SVRPHI
NJC001-005-029-150400-
/O.NEW.KPHI.SV.W.0091.210615T0321Z-210615T0400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1121 PM EDT Mon Jun 14 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Atlantic County in southern New Jersey...
Southeastern Ocean County in southern New Jersey...
Southeastern Burlington County in southern New Jersey...
* Until midnight EDT.
* At 1121 PM EDT, severe thunderstorms were located along a line
extending from near Seaside Heights to near Beach Haven West to
near Wading River, moving east 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...
Toms River, Barnegat, Hammonton, Brigantine, Absecon, Buena, Egg
Harbor City, Tuckerton, Seaside Heights, Weymouth, Surf City, Port
Republic, Elwood-Magnolia, Wading River, Pomona, Mays Landing,
Brookville, Bass River State Forest, Batsto and Mizpah.
This includes the following highways...
Garden State Parkway between mile markers 39 and 77.
Atlantic City Expressway between mile markers 9 and 29.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3992 7398 3968 7411 3941 7434 3945 7490
3949 7495 3965 7483 3975 7434 3996 7415
TIME...MOT...LOC 0321Z 272DEG 24KT 3989 7410 3971 7420 3961 7456
HAIL...<.75IN
WIND...60MPH
$$
CMS2 follow-up statements
467
WWUS51 KPHI 150341
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1141 PM EDT Mon Jun 14 2021
NJC001-005-029-150400-
/O.CON.KPHI.SV.W.0091.000000T0000Z-210615T0400Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
1141 PM EDT Mon Jun 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR ATLANTIC...SOUTHEASTERN OCEAN AND SOUTHEASTERN BURLINGTON
COUNTIES...
At 1141 PM EDT, severe thunderstorms were located along a line
extending from 8 miles southeast of Seaside Heights to near Surf City
to Weymouth, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Toms River, Barnegat, Hammonton, Brigantine, Absecon, Buena, Egg
Harbor City, Tuckerton, Seaside Heights, Weymouth, Surf City, Port
Republic, Elwood-Magnolia, Wading River, Pomona, Mays Landing,
Brookville, Bass River State Forest, Batsto and Mizpah.
This includes the following highways...
Garden State Parkway between mile markers 39 and 77.
Atlantic City Expressway between mile markers 9 and 29.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3992 7398 3968 7411 3941 7434 3945 7490
3949 7495 3965 7483 3975 7434 3996 7415
TIME...MOT...LOC 0341Z 266DEG 24KT 3989 7393 3964 7420 3951 7477
HAIL...<.75IN
WIND...60MPH
$$
CMS306
WWUS51 KPHI 150356
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1156 PM EDT Mon Jun 14 2021
NJC001-005-029-150406-
/O.EXP.KPHI.SV.W.0091.000000T0000Z-210615T0400Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
1156 PM EDT Mon Jun 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR ATLANTIC...SOUTHEASTERN OCEAN
AND SOUTHEASTERN BURLINGTON COUNTIES WILL EXPIRE AT MIDNIGHT EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, gusty
winds are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 200 AM EDT for
southern New Jersey.
LAT...LON 3992 7398 3968 7411 3941 7434 3945 7490
3949 7495 3965 7483 3975 7434 3996 7415
TIME...MOT...LOC 0356Z 272DEG 24KT 3989 7382 3964 7409 3951 7466
$$
CMSThe 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, 11:42 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, 12:12 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Gloucester | 51 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.