Alert archive / New Jersey / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 175, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 9, 2025, 9:58 PM EDT for Cape May County, New Jersey. It was in force for 47 min. 2 reports 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 9, 2025, 9:58 PM EDT (01:58 UTC)
- Expired
- Jul 9, 2025, 10:45 PM EDT
- In force
- 47 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Cape May County, NJ
The radar
The Dover AFB radar (KDOX), 55 km from the middle of the area, began a volume at 02:02 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 9, 10:06 PM EDT | TSTM WND GST 58 | 1 Ssw North Cape May, NJ | 50 kt gust at NOS gauge at Cape May Lewes Ferry terminal. |
| Jul 9, 10:06 PM EDT | MARINE TSTM WIND 58 | 1 Ssw North Cape May, NJ | 50 kt gust at NOS gauge at Cape May Lewes Ferry terminal. |
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 9, 5:31 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.0 hours before the alert went out and 132 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
- 2291 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
881
WUUS51 KPHI 100158
SVRPHI
NJC009-100245-
/O.NEW.KPHI.SV.W.0175.250710T0158Z-250710T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
958 PM EDT Wed Jul 9 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southern Cape May County in southern New Jersey...
* Until 1045 PM EDT.
* At 957 PM EDT, a severe thunderstorm was located over West Cape
May, or near Cape May, moving northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Cape May, North Wildwood, Wildwood Crest, Sea Isle City, Avalon,
West Cape May, Stone Harbor, Cape May Court House, Scotch Bonnet,
Diamond Beach, Green Creek, Goshen, Strathmere, Rio Grande, North
Cape May, Villas, West Wildwood, Erma, and Whitesboro-Burleigh.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3897 7498 3907 7494 3916 7489 3922 7463
3910 7469 3899 7477 3892 7488 3892 7498
TIME...MOT...LOC 0157Z 242DEG 35KT 3894 7499
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann2 follow-up statements
609
WWUS51 KPHI 100215
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1015 PM EDT Wed Jul 9 2025
NJC009-100245-
/O.CON.KPHI.SV.W.0175.000000T0000Z-250710T0245Z/
Cape May NJ-
1015 PM EDT Wed Jul 9 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR SOUTHERN CAPE MAY COUNTY...
At 1014 PM EDT, a severe thunderstorm was located over North
Wildwood, or 7 miles northeast of Cape May, moving northeast at 40
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Cape May, North Wildwood, Wildwood Crest, Sea Isle City, Avalon, West
Cape May, Stone Harbor, Cape May Court House, Scotch Bonnet, Diamond
Beach, Green Creek, Goshen, Strathmere, Rio Grande, North Cape May,
Villas, West Wildwood, Erma, and Whitesboro-Burleigh.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3897 7498 3907 7494 3916 7489 3922 7463
3910 7469 3899 7477 3892 7488 3892 7498
TIME...MOT...LOC 0214Z 242DEG 35KT 3903 7482
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann185
WWUS51 KPHI 100235
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1035 PM EDT Wed Jul 9 2025
NJC009-100245-
/O.EXP.KPHI.SV.W.0175.000000T0000Z-250710T0245Z/
Cape May NJ-
1035 PM EDT Wed Jul 9 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CAPE MAY COUNTY WILL
EXPIRE AT 1045 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 midnight EDT for
southern 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 3897 7498 3907 7494 3916 7489 3922 7463
3910 7469 3899 7477 3892 7488 3892 7498
TIME...MOT...LOC 0235Z 242DEG 35KT 3912 7461
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 8:26 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 9, 8:32 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Jul 9, 8:47 PM EDT | Flash Flood Warning | PHI | Burlington, Mercer | 2 hr |
| Jul 9, 9:17 PM EDT | Special Marine Warning | PHI | 118 min | |
| Jul 9, 10:34 PM EDT | Special Marine Warning | PHI | 86 min | |
| Jul 9, 10:57 PM EDT | Tornado Warning | PHI | Atlantic, Ocean | 33 min |
| Jul 9, 11:57 PM EDT | Areal Flood Warning | PHI | Atlantic, Cape May, Monmouth, Ocean | 4 hr |
| Jul 9, 11:59 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 10, 1:49 PM EDT | Flash Flood Warning | PHI | Atlantic, Cumberland | 4 hr |
| Jul 10, 2:47 PM EDT | Flash Flood Warning | PHI | Cumberland | 94 min |
| Jul 10, 6:00 PM EDT | Special Marine Warning | PHI | 60 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.