Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 42, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 3, 2021, 6:33 PM EDT for 4 counties in New Jersey. It was in force for 42 min. 3 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 3, 2021, 6:33 PM EDT (22:33 UTC)
- Expired
- Jun 3, 2021, 7:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 71 km from the middle of the area, began a volume at 22:37 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 3, 6:55 PM EDT | TSTM WND DMG | 4 W Millville Municipal, NJ | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 4 W MILLVILLE MUNICIPAL AIRPORT. FEW TREES AND WIRES DOWN ON RAMAH ROAD BETWEEN BOSTON STREET AND MONROE STREET. TIME ESTIMATED FROM RADAR. |
| Jun 3, 6:55 PM EDT | TSTM WND DMG | 4 W Millville Municipal, NJ | FEW TREES AND WIRES DOWN ON RAMAH ROAD BETWEEN BOSTON STREET AND MONROE STREET. TIME ESTIMATED FROM RADAR. |
| Jun 3, 7:04 PM EDT | TSTM WND DMG | 4 W Egg Harbor Twp, NJ | DOWNED WIRES NEAR SOMERS POINT 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 3, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.6 hours before the alert went out and 163 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
- 126 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 573 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
468
WUUS51 KPHI 032233
SVRPHI
NJC001-009-011-033-032315-
/O.NEW.KPHI.SV.W.0042.210603T2233Z-210603T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
633 PM EDT Thu Jun 3 2021
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern Atlantic County in southern New Jersey...
Cumberland County in southern New Jersey...
East central Salem County in southern New Jersey...
Northwestern Cape May County in southern New Jersey...
* Until 715 PM EDT.
* At 633 PM EDT, a severe thunderstorm was located near Bivalve, or
14 miles south of Millville, moving northeast at 70 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Vineland, Millville, Bridgeton, Ocean City, Cumberland, Somers
Point, Buena, Laurel Lake, Woodbine, Estell Manor, Newfield, Elmer,
Shiloh, Corbin City, Newport, Leesburg, Beesleys Point, Dorothy,
Dennisville and Bricksboro.
This includes Garden State Parkway between mile markers 26 and 32.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on the Delaware Bay, get away from the water and move indoors or
inside a vehicle. Remember, lightning can strike out to 15 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3934 7455 3898 7498 3920 7541 3920 7540
3965 7525 3956 7504 3951 7499 3953 7497
TIME...MOT...LOC 2233Z 210DEG 61KT 3918 7509
HAIL...0.75IN
WIND...60MPH
$$
Davis2 follow-up statements
981
WWUS51 KPHI 032256
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
656 PM EDT Thu Jun 3 2021
NJC001-009-011-033-032315-
/O.CON.KPHI.SV.W.0042.000000T0000Z-210603T2315Z/
Atlantic NJ-Cumberland NJ-Salem NJ-Cape May NJ-
656 PM EDT Thu Jun 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHWESTERN ATLANTIC...CUMBERLAND...EAST CENTRAL SALEM AND
NORTHWESTERN CAPE MAY COUNTIES...
At 655 PM EDT, a severe thunderstorm was located over Mizpah, or 9
miles northeast of Vineland, moving northeast at 70 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Vineland, Millville, Bridgeton, Ocean City, Cumberland, Somers Point,
Buena, Laurel Lake, Woodbine, Estell Manor, Elmer, Shiloh, Corbin
City, Newport, Leesburg, Beesleys Point, Seaville, Dorothy,
Dennisville and Bricksboro.
This includes Garden State Parkway between mile markers 24 and 32.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3934 7455 3913 7479 3931 7533 3965 7525
3956 7505 3951 7499 3953 7497
TIME...MOT...LOC 2255Z 210DEG 61KT 3952 7484
HAIL...0.75IN
WIND...60MPH
$$
Davis996
WWUS51 KPHI 032310
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
710 PM EDT Thu Jun 3 2021
NJC001-009-011-033-032318-
/O.EXP.KPHI.SV.W.0042.000000T0000Z-210603T2315Z/
Atlantic NJ-Cumberland NJ-Salem NJ-Cape May NJ-
710 PM EDT Thu Jun 3 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ATLANTIC...
CUMBERLAND...EAST CENTRAL SALEM AND NORTHWESTERN CAPE MAY COUNTIES
WILL EXPIRE AT 715 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern New Jersey.
Remember, a Severe Thunderstorm Warning still remains in effect for
Atlantic, Cape May, Salem, and Cumberland Counties in New Jersey.
LAT...LON 3934 7455 3913 7479 3931 7533 3965 7525
3956 7505 3951 7499 3953 7497
TIME...MOT...LOC 2308Z 210DEG 61KT 3972 7469
$$
DavisThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 9:37 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Salem | 12 hr |
| Jun 3, 5:55 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jun 3, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 38 min |
| Jun 3, 7:09 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 2 hr |
| Jun 3, 7:13 PM EDT | Areal Flood Advisory | PHI | Burlington, Hunterdon, Mercer, Middlesex, Somerset | 3 hr |
| Jun 3, 7:52 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 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.