Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 154, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 5, 2026, 9:14 PM EDT for 4 counties in New Jersey. It was in force for 46 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
- Jul 5, 2026, 9:14 PM EDT (01:14 UTC)
- Expired
- Jul 5, 2026, 10:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 97 km from the middle of the area, began a volume at 01:15 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.2 hours before the alert went out and 153 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
- 2 J/kg
- Mixed-layer CIN
- -289 J/kg
- Mixed-layer LCL
- 1021 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
869
WUUS51 KPHI 060114
SVRPHI
NJC019-027-035-037-060200-
/O.NEW.KPHI.SV.W.0154.260706T0114Z-260706T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
914 PM EDT Sun Jul 5 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Hunterdon County in northwestern New Jersey...
Central Morris County in northern New Jersey...
South central Sussex County in northwestern New Jersey...
Northwestern Somerset County in northern New Jersey...
* Until 1000 PM EDT.
* At 914 PM EDT, a severe thunderstorm was located over Long Valley,
or 14 miles west of Morristown, moving northeast at 20 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Dover, Hopatcong, Wharton, Rockaway, Morris Plains, Mount
Arlington, Mendham, Mountain Lakes, Stanhope, Netcong, Peapack And
Gladstone, Chester, Victory Gardens, Califon, Far Hills,
Succasunna, Succasunna-Kenvil, Long Valley, Budd Lake, and Lake
Mohawk.
This includes Interstate 80 in New Jersey between mile markers 24 and
41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4065 7472 4075 7489 4101 7466 4089 7442
TIME...MOT...LOC 0114Z 215DEG 18KT 4078 7476
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS2 follow-up statements
335
WWUS51 KPHI 060141
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
941 PM EDT Sun Jul 5 2026
NJC019-035-060151-
/O.CAN.KPHI.SV.W.0154.000000T0000Z-260706T0200Z/
Hunterdon NJ-Somerset NJ-
941 PM EDT Sun Jul 5 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HUNTERDON AND
NORTHWESTERN SOMERSET COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4075 7461 4086 7480 4101 7466 4089 7442
4081 7452
TIME...MOT...LOC 0141Z 219DEG 17KT 4086 7465
$$
NJC027-037-060200-
/O.CON.KPHI.SV.W.0154.000000T0000Z-260706T0200Z/
Morris NJ-Sussex NJ-
941 PM EDT Sun Jul 5 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR CENTRAL MORRIS AND SOUTH CENTRAL SUSSEX COUNTIES...
At 941 PM EDT, a severe thunderstorm was located over
Succasunna-Kenvil, or 10 miles northwest of Morristown, moving
northeast at 20 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Dover, Hopatcong, Wharton, Rockaway, Morris Plains, Mount Arlington,
Mendham, Mountain Lakes, Stanhope, Netcong, Chester, Victory Gardens,
Succasunna, Succasunna-Kenvil, Budd Lake, Lake Mohawk, and White
Meadow Lake.
This includes Interstate 80 in New Jersey between mile markers 24 and
41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4075 7461 4086 7480 4101 7466 4089 7442
4081 7452
TIME...MOT...LOC 0141Z 219DEG 17KT 4086 7465
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS308
WWUS51 KPHI 060159
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
959 PM EDT Sun Jul 5 2026
NJC027-037-060209-
/O.EXP.KPHI.SV.W.0154.000000T0000Z-260706T0200Z/
Morris NJ-Sussex NJ-
959 PM EDT Sun Jul 5 2026
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MORRIS AND SOUTH
CENTRAL SUSSEX COUNTIES WILL EXPIRE AT 1000 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4075 7461 4086 7480 4101 7466 4089 7442
4081 7452
TIME...MOT...LOC 0159Z 215DEG 18KT 4091 7460
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset | 38 min |
| Jul 5, 9:58 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 5, 10:05 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 40 min |
| Jul 5, 10:21 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jul 5, 10:37 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 38 min |
| Jul 5, 11:00 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Jul 5, 11:30 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Cumberland, Gloucester, Salem | 45 min |
| Jul 6, 12:01 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 29 min |
| Jul 6, 9:16 AM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Somerset | 2 hr |
| Jul 6, 9:27 AM EDT | Flash Flood Warning | PHI | Cumberland, Gloucester, Salem | 3 hr |
| Jul 6, 10:15 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Jul 6, 10:27 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Jul 6, 10:38 AM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 4 hr |
| Jul 6, 11:01 AM EDT | Special Marine Warning | PHI | 78 min | |
| Jul 6, 11:02 AM EDT | Flash Flood Warning | PHI | Middlesex, Monmouth | 4 hr |
| Jul 6, 11:13 AM EDT | Flash Flood Warning | PHI | Burlington | 3 hr |
| Jul 6, 11:44 AM EDT | Flash Flood Warning | PHI | Monmouth, Ocean | 4 hr |
| Jul 6, 1:46 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 6, 2:15 PM EDT | Areal Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Jul 6, 2:40 PM EDT | Areal Flood Warning | PHI | Burlington | 4 hr |
| Jul 6, 3:07 PM EDT | Areal Flood Warning | PHI | Monmouth, Ocean | 4 hr |
| Jul 6, 3:39 PM EDT | Special Marine Warning | PHI | 48 min | |
| Jul 6, 3:50 PM EDT | Special Marine Warning | PHI | 55 min | |
| Jul 6, 4:36 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jul 6, 5:23 PM EDT | Special Marine Warning | PHI | 82 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.