Alert archive / New Jersey / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 145, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 8, 2025, 1:24 PM EDT for Sussex County, New Jersey. It was in force for 51 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 8, 2025, 1:24 PM EDT (17:24 UTC)
- Expired
- Jul 8, 2025, 2:15 PM EDT
- In force
- 51 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 143 km from the middle of the area, began a volume at 17:25 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 8, 1:42 PM EDT | TSTM WND DMG | Sussex, NJ | Tree and wire downed from OEM. Time est. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 5.4 hours before the alert went out and 150 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
- 986 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted.
651
WUUS51 KPHI 081724
SVRPHI
NJC037-081815-
/O.NEW.KPHI.SV.W.0145.250708T1724Z-250708T1815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
124 PM EDT Tue Jul 8 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Sussex County in northwestern New Jersey...
* Until 215 PM EDT.
* At 124 PM EDT, a severe thunderstorm was located near Pellettown,
or 7 miles southeast of Montague, moving east at 15 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...
Franklin, Hamburg, Sussex, Branchville, Pellettown, Highland Lake,
Vernon Valley, and Hainesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4130 7458 4121 7439 4119 7438 4108 7451
4113 7480 4130 7481 4132 7460
TIME...MOT...LOC 1724Z 271DEG 13KT 4121 7472
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PO2 follow-up statements
196
WWUS51 KPHI 081749
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
149 PM EDT Tue Jul 8 2025
NJC037-081815-
/O.CON.KPHI.SV.W.0145.000000T0000Z-250708T1815Z/
Sussex NJ-
149 PM EDT Tue Jul 8 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTHEASTERN SUSSEX COUNTY...
At 149 PM EDT, a severe thunderstorm was located over Hamburg, or 10
miles northwest of West Milford, moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Franklin, Hamburg, Sussex, Highland Lake, and Vernon Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4130 7458 4121 7439 4119 7438 4108 7451
4114 7466 4127 7465
TIME...MOT...LOC 1749Z 282DEG 19KT 4119 7456
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
po029
WWUS51 KPHI 081810
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
210 PM EDT Tue Jul 8 2025
NJC037-081820-
/O.EXP.KPHI.SV.W.0145.000000T0000Z-250708T1815Z/
Sussex NJ-
210 PM EDT Tue Jul 8 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SUSSEX COUNTY
WILL EXPIRE AT 215 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northern and northwestern New Jersey.
LAT...LON 4130 7458 4121 7439 4119 7438 4108 7451
4114 7466 4127 7465
TIME...MOT...LOC 1810Z 271DEG 13KT 4119 7447
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 10:59 PM EDT | Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 23 hr |
| Jul 8, 5:35 PM EDT | Special Marine Warning | PHI | 115 min | |
| Jul 8, 5:45 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 4 hr |
| Jul 8, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 44 min |
| Jul 8, 5:53 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| Jul 8, 5:56 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Mercer | 49 min |
| Jul 8, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer | 34 min |
| Jul 8, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Somerset | 38 min |
| Jul 8, 6:32 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth, Ocean | 43 min |
| Jul 8, 6:41 PM EDT | Tornado Warning | PHI | Burlington, Monmouth, Ocean | 34 min |
| Jul 8, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 48 min |
| Jul 8, 6:52 PM EDT | Special Marine Warning | PHI | 113 min | |
| Jul 8, 6:53 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 52 min |
| Jul 8, 6:57 PM EDT | Special Marine Warning | PHI | 101 min | |
| Jul 8, 7:04 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 41 min |
| Jul 8, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 46 min |
| Jul 8, 7:18 PM EDT | Special Marine Warning | PHI | 117 min | |
| Jul 8, 7:19 PM EDT | Special Marine Warning | PHI | 116 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2025Every severe thunderstorm warning in 2025
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.