Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 67, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 8, 2021, 6:01 PM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 44 min. 2 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, 6:01 PM EDT (22:01 UTC)
- Expired
- Jun 8, 2021, 6:45 PM EDT
- In force
- 44 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, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 27 km from the middle of the area, began a volume at 22:02 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, 6:36 PM EDT | MARINE TSTM WIND 42 | 4 Se Mystic Island, NJ | TUCKERTON WEATHERFLOW GAUGE. |
| Jun 8, 6:50 PM EDT | TSTM WND GST 50 | 2 Ssw Ship Bottom, NJ | MEASURED BY A TEMPEST WEATHER SYSTEM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.0 hours before the alert went out and 182 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
- 740 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 1004 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
194
WUUS51 KPHI 082201
SVRPHI
NJC001-005-029-082245-
/O.NEW.KPHI.SV.W.0067.210608T2201Z-210608T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
601 PM EDT Tue Jun 8 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Atlantic County in southern New Jersey...
Southern Ocean County in southern New Jersey...
Southeastern Burlington County in southern New Jersey...
* Until 645 PM EDT.
* At 600 PM EDT, severe thunderstorms were located along a line
extending from near Wading River to Shamong, 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...
Barnegat, Hammonton, Shamong, Egg Harbor City, Tuckerton, Surf
City, Port Republic, Wharton State Forest, Atsion, Wading River,
Brookville, Warren Grove, Bass River State Forest, Batsto,
Chatsworth, Old Halfway, New Gretna, Penn State Forest, Beach Haven
West and Mystic Island.
This includes Garden State Parkway between mile markers 46 and 71.
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 these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3974 7409 3994 7448 3980 7479 3954 7458
3949 7428
TIME...MOT...LOC 2200Z 259DEG 19KT 3968 7454 3978 7468
HAIL...1.00IN
WIND...60MPH
$$
Staarmann2 follow-up statements
627
WWUS51 KPHI 082224
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
624 PM EDT Tue Jun 8 2021
NJC001-005-029-082245-
/O.CON.KPHI.SV.W.0067.000000T0000Z-210608T2245Z/
Atlantic NJ-Ocean NJ-Burlington NJ-
624 PM EDT Tue Jun 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR NORTHEASTERN ATLANTIC...SOUTHERN OCEAN AND SOUTHEASTERN
BURLINGTON COUNTIES...
At 624 PM EDT, severe thunderstorms were located along a line
extending from near New Gretna to near Beach Haven West to near Old
Halfway, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Barnegat, Tuckerton, Surf City, Port Republic, Wading River,
Brookville, Warren Grove, Bass River State Forest, Chatsworth, Old
Halfway, New Gretna, Penn State Forest, Beach Haven West, Mystic
Island, Ocean Acres, Manahawkin and Waretown.
This includes Garden State Parkway between mile markers 47 and 71.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3949 7428 3954 7455 3969 7450 3987 7454
3990 7440 3974 7409
TIME...MOT...LOC 2224Z 264DEG 22KT 3956 7445 3969 7432 3981 7441
HAIL...1.00IN
WIND...60MPH
$$
Staarmann139
WWUS51 KPHI 082240
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
640 PM EDT Tue Jun 8 2021
NJC001-082250-
/O.CAN.KPHI.SV.W.0067.000000T0000Z-210608T2245Z/
Atlantic NJ-
640 PM EDT Tue Jun 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ATLANTIC COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3949 7428 3950 7433 3960 7448 3974 7429
3977 7413 3974 7409
TIME...MOT...LOC 2240Z 265DEG 18KT 3956 7432 3969 7419
$$
NJC005-029-082245-
/O.CON.KPHI.SV.W.0067.000000T0000Z-210608T2245Z/
Ocean NJ-Burlington NJ-
640 PM EDT Tue Jun 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHEASTERN OCEAN AND SOUTHEASTERN BURLINGTON COUNTIES...
At 640 PM EDT, severe thunderstorms were located along a line
extending from near Tuckerton to near Surf City, moving east at 20
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Barnegat, Tuckerton, Surf City, Bass River State Forest, New Gretna,
Beach Haven West, Mystic Island, Manahawkin and Ocean Acres.
This includes Garden State Parkway between mile markers 51 and 66.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3949 7428 3950 7433 3960 7448 3974 7429
3977 7413 3974 7409
TIME...MOT...LOC 2240Z 265DEG 18KT 3956 7432 3969 7419
HAIL...1.00IN
WIND...60MPH
$$
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, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Gloucester | 49 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, 6:22 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.