Alert archive / New Jersey / Special Weather Statements in 2023
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jul 14, 2023, 4:21 PM EDT for Somerset County, New Jersey. It was in force for 39 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, 4:21 PM EDT (20:21 UTC)
- Expired
- Jul 14, 2023, 5:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.25 in
- Wind
- 40
County Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 20:23 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 12:00Z, 8.4 hours before the alert went out and 137 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
- 210 J/kg
- Mixed-layer CIN
- -225 J/kg
- Mixed-layer LCL
- 1125 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
732
WWUS81 KPHI 142021
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
421 PM EDT Fri Jul 14 2023
NJZ008-010-012-142100-
Morris NJ-Somerset NJ-Middlesex NJ-
421 PM EDT Fri Jul 14 2023
...A strong thunderstorm will impact portions of south central
Morris, central Somerset and north central Middlesex Counties through
500 PM EDT...
At 421 PM EDT, Doppler radar was tracking a strong thunderstorm over
Somerville, moving east at 10 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
New Brunswick, Somerville, Somerset, Edison, East Brunswick,
Bridgewater, Middlesex, Bound Brook, Manville, Millstone,
Martinsville, Millington, Society Hill, North Brunswick Township,
South Plainfield, North Plainfield, Highland Park, Metuchen, Dunellen
and Raritan.
This includes the following highways...
New Jersey Turnpike near exit 10.
Interstate 78 in New Jersey between mile markers 34 and 43.
Interstate 287 in New Jersey between mile markers 1 and 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4047 7433 4048 7466 4059 7470 4074 7442
4071 7441 4067 7446 4066 7445 4067 7441
4065 7440 4060 7446 4060 7437
TIME...MOT...LOC 2021Z 254DEG 9KT 4057 7459
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
StaarmannThe 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, 7:27 AM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 18 min |
| Jul 14, 7:41 AM EDT | Special Weather Statement | PHI | Sussex | 34 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 |
| Jul 13, 8:13 PM EDT | Special Weather Statement | PHI | Monroe | 32 min |
| Jul 13, 8:20 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 25 min |
| Jul 13, 9:28 PM EDT | Special Weather Statement | PHI | Monroe | 32 min |
| Jul 13, 10:01 PM EDT | Special Weather Statement | PHI | Monroe | 44 min |
| Jul 13, 10:48 PM EDT | Special Weather Statement | PHI | Monroe | 27 min |
| Jul 14, 5:30 AM EDT | Special Weather Statement | PHI | Philadelphia | 30 min |
| Jul 14, 3:43 PM EDT | Special Weather Statement | PHI | Montgomery | 32 min |
| Jul 14, 4:40 PM EDT | Special Weather Statement | PHI | Carbon | 35 min |
| Jul 14, 5:10 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 50 min |
| Jul 14, 5:33 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 29 min |
| Jul 14, 5:35 PM EDT | Special Weather Statement | PHI | Monroe | 25 min |
| Jul 14, 5:54 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 51 min |
| Jul 14, 6:02 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 6 hr |
| Jul 14, 7:16 PM EDT | Special Weather Statement | PHI | Lehigh | 29 min |
Nearby
Special Weather Statements in New Jersey, 2023Every special weather statement 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.