Alert archive / New Jersey / Tornado Warnings in 2026
Tornado Warning 13, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Jul 21, 2026, 2:57 PM EDT for Morris County, Somerset County, New Jersey. It was in force for 48 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 21, 2026, 2:57 PM EDT (18:57 UTC)
- Expired
- Jul 21, 2026, 3:45 PM EDT
- In force
- 48 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 94 km from the middle of the area, began a volume at 18:58 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 |
|---|---|---|---|
| Jul 21, 2:06 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.0 hours before the alert went out and 130 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
- 1211 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
627
WFUS51 KPHI 211857
TORPHI
NJC027-035-211945-
/O.NEW.KPHI.TO.W.0013.260721T1857Z-260721T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
257 PM EDT Tue Jul 21 2026
The National Weather Service in Mount Holly NJ has issued a
* Tornado Warning for...
Southeastern Morris County in northern New Jersey...
North central Somerset County in northern New Jersey...
* Until 345 PM EDT.
* At 257 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Mendham, or near Morristown, moving east at 25
mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Morristown, Madison, Florham Park, East Hanover, Chatham, Morris
Plains, Mendham, Peapack And Gladstone, Far Hills, Parsippany,
Bernardsville, and Hanover Township.
This includes the following highways...
Interstate 80 in New Jersey between mile markers 45 and 48.
Interstate 287 in New Jersey between mile markers 29 and 41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4082 7434 4079 7437 4076 7437 4075 7436
4074 7437 4070 7443 4072 7464 4084 7462
4087 7433 4086 7432
TIME...MOT...LOC 1857Z 264DEG 20KT 4077 7456
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Staarmann4 follow-up statements
308
WWUS51 KPHI 211908
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
308 PM EDT Tue Jul 21 2026
NJC035-211917-
/O.CAN.KPHI.TO.W.0013.000000T0000Z-260721T1945Z/
Somerset NJ-
308 PM EDT Tue Jul 21 2026
...THE TORNADO WARNING FOR NORTH CENTRAL SOMERSET COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM EDT for northern New
Jersey.
LAT...LON 4082 7434 4079 7437 4076 7438 4075 7436
4070 7442 4073 7453 4074 7455 4084 7455
4087 7433 4086 7432
TIME...MOT...LOC 1907Z 262DEG 20KT 4078 7448
$$
NJC027-211945-
/O.CON.KPHI.TO.W.0013.000000T0000Z-260721T1945Z/
Morris NJ-
308 PM EDT Tue Jul 21 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR
SOUTHEASTERN MORRIS COUNTY...
At 307 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Morristown, moving east at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Morristown, Madison, Florham Park, East Hanover, Chatham, Morris
Plains, and Hanover Township.
This includes the following highways...
Interstate 80 in New Jersey between mile markers 45 and 48.
Interstate 287 in New Jersey between mile markers 31 and 41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4082 7434 4079 7437 4076 7438 4075 7436
4070 7442 4073 7453 4074 7455 4084 7455
4087 7433 4086 7432
TIME...MOT...LOC 1907Z 262DEG 20KT 4078 7448
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Staarmann309
WWUS51 KPHI 211915
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
315 PM EDT Tue Jul 21 2026
NJC027-211945-
/O.CON.KPHI.TO.W.0013.000000T0000Z-260721T1945Z/
Morris NJ-
315 PM EDT Tue Jul 21 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR
SOUTHEASTERN MORRIS COUNTY...
At 315 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Florham Park, or over Morristown, moving east at 25
mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Morristown, Madison, Florham Park, East Hanover, Chatham, Morris
Plains, and Hanover Township.
This includes the following highways...
Interstate 80 in New Jersey between mile markers 45 and 48.
Interstate 287 in New Jersey between mile markers 34 and 41.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4082 7434 4079 7437 4076 7438 4075 7436
4072 7439 4075 7450 4079 7451 4085 7447
4087 7433 4086 7432
TIME...MOT...LOC 1915Z 262DEG 20KT 4079 7442
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Staarmann241
WWUS51 KPHI 211922
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
322 PM EDT Tue Jul 21 2026
NJC027-211945-
/O.CON.KPHI.TO.W.0013.000000T0000Z-260721T1945Z/
Morris NJ-
322 PM EDT Tue Jul 21 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR EAST
CENTRAL MORRIS COUNTY...
At 322 PM EDT, a severe thunderstorm capable of producing a tornado
was located over East Hanover, or near Millburn, moving east at 25
mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Madison, Florham Park, East Hanover, and Hanover Township.
This includes Interstate 80 in New Jersey between mile markers 46 and
48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4082 7434 4079 7437 4076 7438 4076 7444
4080 7445 4085 7442 4087 7433 4086 7432
TIME...MOT...LOC 1922Z 262DEG 20KT 4080 7437
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Staarmann142
WWUS51 KPHI 211944
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
344 PM EDT Tue Jul 21 2026
NJC027-211954-
/O.EXP.KPHI.TO.W.0013.000000T0000Z-260721T1945Z/
Morris NJ-
344 PM EDT Tue Jul 21 2026
...THE TORNADO WARNING FOR EAST CENTRAL MORRIS COUNTY WILL EXPIRE AT
345 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 900 PM EDT for northern New
Jersey.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4082 7434 4079 7437 4076 7438 4076 7444
4080 7445 4085 7442 4087 7433 4086 7432
TIME...MOT...LOC 1944Z 264DEG 20KT 4081 7422
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 8:49 AM EDT | Flash Flood Warning | PHI | Sussex, Warren | 2 hr |
| Jul 21, 11:01 AM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 21, 11:14 AM EDT | Special Marine Warning | PHI | 46 min | |
| Jul 21, 12:07 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 21, 1:52 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 53 min |
| Jul 21, 2:00 PM EDT | Tornado Warning | PHI | Morris | 30 min |
| Jul 21, 2:25 PM EDT | Tornado Warning | PHI | Morris | 50 min |
| Jul 21, 2:49 PM EDT | Flash Flood Warning | PHI | Morris | 3 hr |
| Jul 21, 2:57 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 37 min |
| Jul 21, 3:13 PM EDT | Flash Flood Warning | PHI | Morris, Somerset | 3 hr |
| Jul 21, 4:06 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jul 21, 4:38 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Jul 21, 4:43 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 47 min |
| Jul 21, 4:46 PM EDT | Special Marine Warning | PHI | 89 min | |
| Jul 21, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Somerset | 55 min |
| Jul 21, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 46 min |
| Jul 21, 5:30 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 21, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Salem | 45 min |
| Jul 21, 5:43 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 21, 5:49 PM EDT | Tornado Warning | PHI | Cape May | 26 min |
| Jul 21, 6:06 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 39 min |
| Jul 21, 6:07 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 21, 6:09 PM EDT | Tornado Warning | PHI | Cape May | 36 min |
| Jul 21, 6:18 PM EDT | Special Marine Warning | PHI | 57 min | |
| Jul 21, 6:34 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 41 min |
| Jul 21, 6:41 PM EDT | Special Marine Warning | PHI | 94 min | |
| Jul 21, 6:50 PM EDT | Special Marine Warning | PHI | 85 min | |
| Jul 21, 7:06 PM EDT | Tornado Warning | PHI | Ocean | 12 min |
Nearby
Tornado Warnings in New Jersey, 2026Every tornado warning in 2026Tornadoes 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.