Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 227, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 25, 2023, 2:20 PM EDT for Cumberland County, New Jersey. It was in force for 55 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 25, 2023, 2:20 PM EDT (18:20 UTC)
- Expired
- Jul 25, 2023, 3:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 55 km from the middle of the area, began a volume at 18:22 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 25, 12:13 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.3 hours before the alert went out and 152 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
- 579 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 737 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
445
WUUS51 KPHI 251820
SVRPHI
NJC011-251915-
/O.NEW.KPHI.SV.W.0227.230725T1820Z-230725T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
220 PM EDT Tue Jul 25 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southern Cumberland County in southern New Jersey...
* Until 315 PM EDT.
* At 220 PM EDT, a severe thunderstorm was located near Cedarville,
or 10 miles southwest of Bridgeton, 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...
Millville, Laurel Lake, Newport, Mauricetown, Leesburg, Fairton,
Cedarville, Bivalve, Port Norris, Fortesque and Dividing Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 3921 7533 3933 7539 3945 7507 3923 7496
TIME...MOT...LOC 1820Z 252DEG 18KT 3929 7532
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLBThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 1:06 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 39 min |
| Jul 25, 1:21 PM EDT | Special Weather Statement | PHI | Hunterdon | 24 min |
| Jul 25, 1:27 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 48 min |
| Jul 25, 1:38 PM EDT | Flash Flood Warning | PHI | Gloucester | 4 hr |
| Jul 25, 1:52 PM EDT | Special Marine Warning | PHI | 38 min | |
| Jul 25, 2:06 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 39 min |
| Jul 25, 2:08 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 52 min |
| Jul 25, 2:39 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Morris, Somerset, Sussex | 51 min |
| Jul 25, 2:44 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 2 hr |
| Jul 25, 2:45 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 25, 2:53 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth, Somerset | 52 min |
| Jul 25, 3:16 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer | 44 min |
| Jul 25, 3:24 PM EDT | Special Marine Warning | PHI | 96 min | |
| Jul 25, 3:27 PM EDT | Areal Flood Advisory | PHI | Middlesex, Somerset | 81 min |
| Jul 25, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 50 min |
| Jul 25, 3:45 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 25, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland | 53 min |
| Jul 25, 3:57 PM EDT | Areal Flood Advisory | PHI | Middlesex, Monmouth | 3 hr |
| Jul 25, 3:58 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Salem | 30 min |
| Jul 25, 4:12 PM EDT | Flash Flood Warning | PHI | Monmouth | 3 hr |
| Jul 25, 4:17 PM EDT | Special Marine Warning | PHI | 58 min | |
| Jul 25, 4:50 PM EDT | Special Marine Warning | PHI | 55 min | |
| Jul 25, 4:57 PM EDT | Areal Flood Advisory | PHI | Monmouth, Ocean | 2 hr |
| Jul 25, 5:09 PM EDT | Special Marine Warning | PHI | 66 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2023Every severe thunderstorm warning in 2023
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.