Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 87, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2021, 10:07 PM EDT for 5 counties in New Jersey. It was in force for 53 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, 10:07 PM EDT (02:07 UTC)
- Expired
- Jun 14, 2021, 11:00 PM EDT
- In force
- 53 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, Camden County, NJ, Gloucester County, NJ, Ocean County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 14, 10:49 PM EDT | TSTM WND DMG | 2 Ne Malaga, NJ | DOWNED WIRES NEAR MARSHALL MILL ROAD. 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, 2:06 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 14, 7:29 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 2.1 hours before the alert went out and 204 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.
404
WUUS51 KPHI 150207
SVRPHI
NJC001-005-007-015-029-150300-
/O.NEW.KPHI.SV.W.0087.210615T0207Z-210615T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1007 PM EDT Mon Jun 14 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Atlantic County in southern New Jersey...
Northern Ocean County in southern New Jersey...
Camden County in southern New Jersey...
Gloucester County in southern New Jersey...
Central Burlington County in southern New Jersey...
* Until 1100 PM EDT.
* At 1006 PM EDT, severe thunderstorms were located along a line
extending from Browns Mills to near Medford to Marlton Lakes to
Turnersville, 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...
Toms River, Evesham, Medford, Glassboro, Lindenwold, Hammonton,
Pitman, Clayton, Berlin, Tabernacle, Shamong, Presidential Lakes
Estates, Lakehurst, Swedesboro, Chesilhurst, Newfield, Pemberton,
Wrightstown, Atsion and Leisuretowne.
People at the Gloucester County Mega Site should seek safe shelter
immediately!
This includes the following highways...
New Jersey Turnpike near exit 2.
Garden State Parkway between mile markers 81 and 89.
Atlantic City Expressway between mile markers 28 and 44.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3976 7445 3955 7500 3967 7520 3966 7521
3974 7535 3983 7498 4008 7460 4005 7406
TIME...MOT...LOC 0206Z 275DEG 19KT 3998 7459 3986 7480 3980 7492 3976
7505
HAIL...1.00IN
WIND...60MPH
$$
Staarmann1 follow-up statement
950
WWUS51 KPHI 150231
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1031 PM EDT Mon Jun 14 2021
NJC001-005-007-015-029-150300-
/O.CON.KPHI.SV.W.0087.000000T0000Z-210615T0300Z/
Atlantic NJ-Ocean NJ-Camden NJ-Gloucester NJ-Burlington NJ-
1031 PM EDT Mon Jun 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHWESTERN ATLANTIC...NORTHERN OCEAN...SOUTHEASTERN CAMDEN...
SOUTHEASTERN GLOUCESTER AND SOUTHEASTERN BURLINGTON COUNTIES...
At 1030 PM EDT, severe thunderstorms were located along a line
extending from Cedar Glen Lakes to near Tabernacle to Shamong to near
Chesilhurst, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Toms River, Glassboro, Hammonton, Clayton, Tabernacle, Shamong,
Presidential Lakes Estates, Lakehurst, Chesilhurst, Newfield,
Franklinville, Sicklerville, Leisure Village, Atsion, Holiday City
South, Pleasant Plains, Cedar Glen West, Chatsworth, Leisure Village
East and Atco.
This includes the following highways...
Garden State Parkway between mile markers 81 and 89.
Atlantic City Expressway between mile markers 28 and 40.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3976 7445 3955 7500 3967 7520 3984 7472
3998 7450 4007 7442 4005 7406
TIME...MOT...LOC 0230Z 275DEG 20KT 3998 7439 3984 7462 3978 7474 3970
7487
HAIL...1.00IN
WIND...60MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 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, 10:51 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, 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.