Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 69, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 11, 2026, 9:44 PM EDT for Morris County, Somerset County, New Jersey. It was in force for 16 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 11, 2026, 9:44 PM EDT (01:44 UTC)
- Expired
- Jun 11, 2026, 10:00 PM EDT
- In force
- 16 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 81 km from the middle of the area, began a volume at 01:47 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.
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 11, 7:14 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.7 hours before the alert went out and 135 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
- 783 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1469 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted.
238
WUUS51 KPHI 120144
SVRPHI
NJC027-035-120200-
/O.NEW.KPHI.SV.W.0069.260612T0144Z-260612T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
944 PM EDT Thu Jun 11 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
South central Morris County in northern New Jersey...
Northeastern Somerset County in northern New Jersey...
* Until 1000 PM EDT.
* At 943 PM EDT, a severe thunderstorm was located over Millington,
or near Plainfield, 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...
Millington.
This includes Interstate 78 in New Jersey between mile markers 38 and
43.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4065 7440 4064 7451 4071 7455 4072 7442
4071 7441 4067 7446 4066 7445 4067 7443
4066 7441
TIME...MOT...LOC 0143Z 256DEG 17KT 4068 7449
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich1 follow-up statement
596
WWUS51 KPHI 120150
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
950 PM EDT Thu Jun 11 2026
NJC027-035-120200-
/O.EXP.KPHI.SV.W.0069.000000T0000Z-260612T0200Z/
Morris NJ-Somerset NJ-
950 PM EDT Thu Jun 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MORRIS AND
NORTHEASTERN SOMERSET COUNTIES WILL EXPIRE AT 1000 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until midnight EDT for
northern New Jersey.
LAT...LON 4065 7440 4064 7451 4071 7455 4072 7442
4071 7441 4067 7446 4066 7445 4067 7443
4066 7441
TIME...MOT...LOC 0150Z 256DEG 17KT 4069 7445
$$
HoeflichThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 9:28 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 27 min |
| Jun 11, 9:50 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jun 11, 10:02 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 43 min |
| Jun 11, 10:18 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 27 min |
| Jun 11, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 39 min |
| Jun 11, 10:48 PM EDT | Special Marine Warning | PHI | 55 min | |
| Jun 11, 10:56 PM EDT | Special Marine Warning | PHI | 46 min | |
| Jun 12, 4:08 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 52 min |
| Jun 12, 5:35 PM EDT | Special Marine Warning | PHI | 35 min | |
| Jun 12, 5:40 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 26 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2026Every severe thunderstorm warning in 2026
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; radar from the NEXRAD Level II archive.