Alert archive / New Jersey / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 20, 2025, 8:27 PM EDT for 5 counties in 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
- Mar 20, 2025, 8:27 PM EDT (00:27 UTC)
- Expired
- Mar 20, 2025, 9:15 PM EDT
- In force
- 48 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 48 km from the middle of the area, began a volume at 00:29 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, 0.5 hours before the alert went out and 195 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
- 737 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 340 m²/s²
- 0-3 km storm-relative helicity
- 431 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
523
WUUS51 KPHI 210027
SVRPHI
NJC001-005-009-011-029-210115-
/O.NEW.KPHI.SV.W.0004.250321T0027Z-250321T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
827 PM EDT Thu Mar 20 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Atlantic County in southern New Jersey...
East central Cumberland County in southern New Jersey...
Southeastern Ocean County in southern New Jersey...
Northern Cape May County in southern New Jersey...
Southeastern Burlington County in southern New Jersey...
* Until 915 PM EDT.
* At 827 PM EDT, a severe thunderstorm was located over Woodbine, or
9 miles west of Ocean City, moving northeast at 70 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Atlantic City, Ocean City, Port Republic, Mystic Island, Ocean
Acres, Beesleys Point, Seaville, Wading River, Corbin City,
Manahawkin, Dorothy, Linwood, Warren Grove, Somers Point,
Brigantine, Pleasantville, Northfield, Egg Harbor City,
Dennisville, and Strathmere.
This includes the following highways...
Garden State Parkway between mile markers 10 and 69.
Atlantic City Expressway between mile markers 0 and 18.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3959 7398 3908 7482 3932 7495 3981 7435
3974 7399
TIME...MOT...LOC 0027Z 229DEG 62KT 3925 7478
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
SFJ2 follow-up statements
307
WWUS51 KPHI 210043
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
843 PM EDT Thu Mar 20 2025
NJC011-210052-
/O.CAN.KPHI.SV.W.0004.000000T0000Z-250321T0115Z/
Cumberland NJ-
843 PM EDT Thu Mar 20 2025
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CUMBERLAND COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled for
Cumberland County.
LAT...LON 3959 7398 3908 7482 3935 7481 3981 7435
3974 7399
TIME...MOT...LOC 0042Z 229DEG 62KT 3942 7452
$$
NJC001-005-009-029-210115-
/O.CON.KPHI.SV.W.0004.000000T0000Z-250321T0115Z/
Atlantic NJ-Ocean NJ-Cape May NJ-Burlington NJ-
843 PM EDT Thu Mar 20 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR SOUTHEASTERN ATLANTIC...SOUTHEASTERN OCEAN...NORTHEASTERN CAPE
MAY AND SOUTHEASTERN BURLINGTON COUNTIES...
At 842 PM EDT, a severe thunderstorm was located over Absecon, or
near Atlantic City, moving northeast at 70 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Atlantic City, Ocean City, Port Republic, Mystic Island, Ocean Acres,
Beesleys Point, Seaville, Wading River, Corbin City, Manahawkin,
Linwood, Warren Grove, Somers Point, Brigantine, Pleasantville,
Northfield, Egg Harbor City, Strathmere, Longport, and Tuckerton.
This includes the following highways...
Garden State Parkway between mile markers 10 and 69.
Atlantic City Expressway between mile markers 0 and 15.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.
&&
LAT...LON 3959 7398 3908 7482 3935 7481 3981 7435
3974 7399
TIME...MOT...LOC 0042Z 229DEG 62KT 3942 7452
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
SFJ725
WWUS51 KPHI 210105
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
905 PM EDT Thu Mar 20 2025
NJC001-005-009-029-210115-
/O.EXP.KPHI.SV.W.0004.000000T0000Z-250321T0115Z/
Atlantic NJ-Ocean NJ-Cape May NJ-Burlington NJ-
905 PM EDT Thu Mar 20 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ATLANTIC...
SOUTHEASTERN OCEAN...NORTHEASTERN CAPE MAY AND SOUTHEASTERN
BURLINGTON COUNTIES WILL EXPIRE AT 915 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 3959 7398 3908 7482 3935 7481 3981 7435
3974 7399
TIME...MOT...LOC 0105Z 229DEG 62KT 3965 7417
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 2:20 PM EDT | Small Craft Advisory | PHI | 8 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.