Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 152, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 2, 2023, 11:13 PM EDT for Middlesex County, Morris County, Somerset County, New Jersey. It was in force for 32 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 2, 2023, 11:13 PM EDT (03:13 UTC)
- Expired
- Jul 2, 2023, 11:45 PM EDT
- In force
- 32 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Middlesex County, NJ, Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 75 km from the middle of the area, began a volume at 03:12 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, 3.2 hours before the alert went out and 130 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
- 634 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.2
The text
As transmitted.
813
WUUS51 KPHI 030313
SVRPHI
NJC023-027-035-030345-
/O.NEW.KPHI.SV.W.0152.230703T0313Z-230703T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1113 PM EDT Sun Jul 2 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southeastern Morris County in northern New Jersey...
Northeastern Somerset County in northern New Jersey...
Northeastern Middlesex County in northern New Jersey...
* Until 1145 PM EDT.
* At 1112 PM EDT, a severe thunderstorm was located over Millington,
or near Somerville, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Perth Amboy, Somerville, Edison, Bridgewater, Carteret, Madison,
Middlesex, Bound Brook, Manville, Chatham, Peapack And Gladstone,
Far Hills, Colonia, Martinsville, Millington, Society Hill, Basking
Ridge, Woodbridge, South Plainfield and North Plainfield.
This includes the following highways...
New Jersey Turnpike between exits 11 and 13.
Interstate 78 in New Jersey between mile markers 30 and 43.
Interstate 287 in New Jersey between mile markers 0 and 10, and
between mile markers 12 and 31.
Garden State Parkway between mile markers 128 and 134.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4056 7421 4055 7425 4051 7426 4056 7468
4074 7467 4076 7436 4067 7446 4066 7445
4067 7441 4065 7440 4060 7446 4061 7431
4059 7428 4060 7421
TIME...MOT...LOC 0312Z 272DEG 25KT 4065 7456
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Fitzsimmons2 follow-up statements
407
WWUS51 KPHI 030330
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1130 PM EDT Sun Jul 2 2023
NJC023-027-035-030345-
/O.CON.KPHI.SV.W.0152.000000T0000Z-230703T0345Z/
Morris NJ-Somerset NJ-Middlesex NJ-
1130 PM EDT Sun Jul 2 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR SOUTHEASTERN MORRIS...EAST CENTRAL SOMERSET AND NORTHEASTERN
MIDDLESEX COUNTIES...
At 1130 PM EDT, a severe thunderstorm was located over Plainfield,
moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Perth Amboy, Edison, Carteret, Madison, Middlesex, Chatham, Colonia,
Society Hill, Woodbridge, South Plainfield, North Plainfield,
Metuchen, Dunellen, Watchung, Iselin, Sewaren, Port Reading, Fords
and Avenel.
This includes the following highways...
New Jersey Turnpike between exits 11 and 13.
Interstate 78 in New Jersey between mile markers 39 and 43.
Interstate 287 in New Jersey between mile markers 0 and 10.
Garden State Parkway between mile markers 128 and 134.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4054 7451 4075 7450 4076 7436 4067 7446
4066 7445 4067 7441 4065 7440 4060 7446
4061 7431 4059 7428 4060 7421 4056 7421
4055 7425 4051 7426
TIME...MOT...LOC 0330Z 271DEG 24KT 4065 7442
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Fitzsimmons045
WWUS51 KPHI 030338
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1138 PM EDT Sun Jul 2 2023
NJC023-027-035-030348-
/O.EXP.KPHI.SV.W.0152.000000T0000Z-230703T0345Z/
Morris NJ-Somerset NJ-Middlesex NJ-
1138 PM EDT Sun Jul 2 2023
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORRIS...EAST
CENTRAL SOMERSET AND NORTHEASTERN MIDDLESEX COUNTIES WILL EXPIRE AT
1145 PM EDT...
The storm which prompted the warning is moving out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 4054 7451 4075 7450 4076 7436 4067 7446
4066 7445 4067 7441 4065 7440 4060 7446
4061 7431 4059 7428 4060 7421 4056 7421
4055 7425 4051 7426
TIME...MOT...LOC 0338Z 272DEG 25KT 4065 7435
$$
FitzsimmonsThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 8:07 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jul 2, 8:09 PM EDT | Areal Flood Advisory | PHI | Morris | 4 hr |
| Jul 2, 9:07 PM EDT | Special Marine Warning | PHI | 98 min | |
| Jul 2, 9:46 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 2, 10:39 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 2, 11:19 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 41 min |
| Jul 2, 11:24 PM EDT | Areal Flood Advisory | PHI | Morris | 2 hr |
| Jul 3, 12:32 AM EDT | Special Weather Statement | PHI | Burlington | 28 min |
| Jul 3, 2:15 AM EDT | Special Weather Statement | PHI | Ocean | 15 min |
| Jul 3, 2:17 AM EDT | Special Marine Warning | PHI | 58 min | |
| Jul 3, 7:57 PM EDT | Special Marine Warning | PHI | 2 hr |
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.