Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 115, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 3, 2026, 6:48 PM EDT for Sussex County, New Jersey. It was in force for 42 min. 1 report 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
- Jul 3, 2026, 6:48 PM EDT (22:48 UTC)
- Expired
- Jul 3, 2026, 7:30 PM EDT
- In force
- 42 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 139 km from the middle of the area, began a volume at 22:48 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 |
|---|---|---|---|
| Jul 3, 6:56 PM EDT | TSTM WND DMG | 1 Se Highland Lakes, NJ | Trees down around Highland Lakes. 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 |
|---|---|---|---|
| Jul 3, 3:25 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.8 hours before the alert went out and 151 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
- 912 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1343 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
662
WUUS51 KPHI 032248
SVRPHI
NJC037-032330-
/O.NEW.KPHI.SV.W.0115.260703T2248Z-260703T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
648 PM EDT Fri Jul 3 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Sussex County in northwestern New Jersey...
* Until 730 PM EDT.
* At 647 PM EDT, severe thunderstorms were located along a line
extending from Unionville to near Hainesville, moving east at 30
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...
Franklin, Hamburg, Ogdensburg, Sussex, Branchville, Pellettown,
Highland Lake, Vernon Valley, Lake Mohawk, and Crandon Lakes.
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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4120 7436 4100 7463 4117 7489 4122 7486
4132 7460
TIME...MOT...LOC 2247Z 287DEG 26KT 4130 7456 4123 7483
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS1 follow-up statement
126
WWUS51 KPHI 032322
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
722 PM EDT Fri Jul 3 2026
NJC037-032331-
/O.EXP.KPHI.SV.W.0115.000000T0000Z-260703T2330Z/
Sussex NJ-
722 PM EDT Fri Jul 3 2026
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SUSSEX COUNTY WILL
EXPIRE AT 730 PM EDT...
This Severe Thunderstorm Warning will be allowed to expire at 730 PM
EDT, however, another Severe Thunderstorm Warning will remain in
effect for portions of Sussex county until 730 PM EDT.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
northwestern New Jersey.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4120 7436 4100 7463 4117 7489 4122 7486
4132 7460
TIME...MOT...LOC 2321Z 287DEG 26KT 4123 7426 4116 7453
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 40 min |
| Jul 3, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 51 min |
| Jul 3, 6:35 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 40 min |
| Jul 3, 7:03 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 42 min |
| Jul 3, 7:05 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 55 min |
| Jul 3, 7:26 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 49 min |
| Jul 3, 7:37 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 23 min |
| Jul 3, 7:45 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 45 min |
| Jul 3, 7:50 PM EDT | Special Marine Warning | PHI | 85 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.