Alert archive / New Jersey / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 192, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 2023, 7:27 AM EDT for Morris County, Sussex County, New Jersey. It was in force for 18 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 14, 2023, 7:27 AM EDT (11:27 UTC)
- Expired
- Jul 14, 2023, 7:45 AM EDT
- In force
- 18 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Morris County, NJ, Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 112 km from the middle of the area, began a volume at 11:29 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, 11.5 hours before the alert went out and 129 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
- 1347 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 910 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 11.4
The text
As transmitted.
495
WUUS51 KPHI 141127
SVRPHI
NJC027-037-141145-
/O.NEW.KPHI.SV.W.0192.230714T1127Z-230714T1145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
727 AM EDT Fri Jul 14 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Morris County in northern New Jersey...
South central Sussex County in northwestern New Jersey...
* Until 745 AM EDT.
* At 726 AM EDT, severe thunderstorms were located along a line
extending from near Lake Telemark to near Boonton to Caldwell,
moving northeast at 45 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...
Hopatcong, East Hanover, Lincoln Park, Kinnelon, Boonton, Butler,
Mount Arlington, Mountain Lakes, Riverdale, Pequannock Township,
Lake Telemark, Green Pond and White Meadow Lake.
This includes the following highways...
Interstate 80 in New Jersey between mile markers 45 and 48.
Interstate 287 in New Jersey between mile markers 44 and 54.
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 these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
&&
LAT...LON 4091 7434 4088 7434 4086 7432 4080 7436
4091 7444 4094 7472 4108 7450 4104 7450
4105 7445 4102 7443 4103 7442 4100 7430
4097 7428 4092 7429 4090 7427
TIME...MOT...LOC 1126Z 242DEG 38KT 4097 7457 4095 7438 4082 7428
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLB1 follow-up statement
655
WWUS51 KPHI 141143
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
743 AM EDT Fri Jul 14 2023
NJC027-037-141152-
/O.EXP.KPHI.SV.W.0192.000000T0000Z-230714T1145Z/
Morris NJ-Sussex NJ-
743 AM EDT Fri Jul 14 2023
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MORRIS AND SOUTH
CENTRAL SUSSEX COUNTIES WILL EXPIRE AT 745 AM EDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4091 7434 4088 7434 4086 7432 4080 7436
4091 7444 4094 7472 4108 7450 4104 7450
4105 7445 4102 7443 4103 7442 4100 7430
4097 7428 4092 7429 4090 7427
TIME...MOT...LOC 1142Z 242DEG 38KT 4104 7438 4102 7419 4089 7409
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 8:39 PM EDT | Coastal Flood Advisory | PHI | Ocean | 5 hr |
| Jul 13, 8:53 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 67 min |
| Jul 13, 9:57 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 48 min |
| Jul 13, 10:49 PM EDT | Special Weather Statement | PHI | Sussex | 26 min |
| Jul 14, 1:09 AM EDT | Special Weather Statement | PHI | Sussex | 21 min |
| Jul 14, 1:52 AM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Jul 14, 5:54 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Somerset | 51 min |
| Jul 14, 6:02 AM EDT | Special Weather Statement | PHI | Mercer | 28 min |
| Jul 14, 6:20 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Morris, Somerset | 40 min |
| Jul 14, 6:33 AM EDT | Special Weather Statement | PHI | Warren | 27 min |
| Jul 14, 6:35 AM EDT | Special Weather Statement | PHI | Middlesex | 25 min |
| Jul 14, 6:40 AM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 50 min |
| Jul 14, 6:55 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 50 min |
| Jul 14, 6:59 AM EDT | Special Weather Statement | PHI | Warren | 31 min |
| Jul 14, 7:22 AM EDT | Special Weather Statement | PHI | Sussex | 23 min |
| Jul 14, 7:41 AM EDT | Special Weather Statement | PHI | Sussex | 34 min |
| Jul 14, 4:21 PM EDT | Special Weather Statement | PHI | Somerset | 39 min |
| Jul 14, 4:54 PM EDT | Special Weather Statement | PHI | Somerset | 51 min |
| Jul 14, 6:06 PM EDT | Special Weather Statement | PHI | Morris | 24 min |
| Jul 14, 6:07 PM EDT | Special Weather Statement | PHI | Warren | 38 min |
| Jul 14, 6:20 PM EDT | Special Weather Statement | PHI | Sussex | 25 min |
| Jul 14, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 38 min |
| Jul 14, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 49 min |
| Jul 14, 6:46 PM EDT | Special Weather Statement | PHI | Sussex | 29 min |
| Jul 14, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 53 min |
| Jul 14, 7:03 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 41 min |
| Jul 14, 7:08 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 39 min |
| Jul 14, 7:20 PM EDT | Special Weather Statement | PHI | Warren | 25 min |
| Jul 14, 7:40 PM EDT | Flash Flood Warning | PHI | Morris, Sussex, Warren | 6 hr |
| Jul 14, 7:46 PM EDT | Areal Flood Advisory | PHI | Sussex | 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.