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 9, 2023, 4:12 PM EDT for Somerset County, New Jersey. It was in force for 33 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 9, 2023, 4:12 PM EDT (20:12 UTC)
- Expired
- Jul 9, 2023, 4:45 PM EDT
- In force
- 33 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.25 in
- Wind
- 40
County Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 81 km from the middle of the area, began a volume at 20:15 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, 8.2 hours before the alert went out and 138 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
- 216 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 749 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
417
WWUS81 KPHI 092012
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
412 PM EDT Sun Jul 9 2023
NJZ008-010-092045-
Morris NJ-Somerset NJ-
412 PM EDT Sun Jul 9 2023
...A strong thunderstorm will impact portions of southeastern Morris
and northeastern Somerset Counties through 445 PM EDT...
At 412 PM EDT, Doppler radar was tracking a strong thunderstorm over
Millington, or near Plainfield, moving north at 15 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...
Madison, Middlesex, Mendham, Peapack And Gladstone, Far Hills,
Martinsville, Millington, Basking Ridge and Bernardsville.
This includes the following highways...
Interstate 78 in New Jersey between mile markers 32 and 41.
Interstate 287 in New Jersey between mile markers 18 and 20, and
between mile markers 23 and 35.
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.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
northern New Jersey.
&&
LAT...LON 4070 7442 4067 7446 4065 7444 4059 7447
4058 7450 4060 7464 4080 7465 4077 7438
TIME...MOT...LOC 2012Z 187DEG 14KT 4066 7453
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
MLBThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 12:37 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Warren | 2 hr |
| Jul 9, 1:02 PM EDT | Flash Flood Warning | PHI | Hunterdon, Warren | 8 hr |
| Jul 9, 1:57 PM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 65 min |
| Jul 9, 2:05 PM EDT | Flash Flood Warning | PHI | Sussex | 6 hr |
| Jul 9, 2:30 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Warren | 4 min |
| Jul 9, 2:34 PM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Somerset, Warren | 6 hr |
| Jul 9, 2:59 PM EDT | Special Weather Statement | PHI | Somerset | 31 min |
| Jul 9, 3:00 PM EDT | Flash Flood Warning | PHI | Morris, Somerset, Sussex, Warren | 6 hr |
| Jul 9, 4:34 PM EDT | Special Marine Warning | PHI | 86 min | |
| Jul 9, 4:57 PM EDT | Special Marine Warning | PHI | 93 min | |
| Jul 9, 4:58 PM EDT | Special Weather Statement | PHI | Cumberland, Salem | 47 min |
| Jul 9, 5:09 PM EDT | Flash Flood Warning | PHI | Salem | 4 hr |
| Jul 9, 5:10 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 50 min |
| Jul 9, 5:15 PM EDT | Special Weather Statement | PHI | Hunterdon, Warren | 30 min |
| Jul 9, 5:35 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 25 min |
| Jul 9, 5:49 PM EDT | Special Weather Statement | PHI | Cumberland | 26 min |
| Jul 9, 5:59 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer | 4 hr |
| Jul 9, 5:59 PM EDT | Special Weather Statement | PHI | Cape May | 46 min |
| Jul 9, 6:33 PM EDT | Special Marine Warning | PHI | 87 min | |
| Jul 9, 6:52 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 4 hr |
| Jul 9, 7:11 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 3 hr |
| Jul 9, 7:16 PM EDT | Special Weather Statement | PHI | Burlington | 29 min |
| Jul 9, 7:21 PM EDT | Special Marine Warning | PHI | 114 min | |
| Jul 9, 7:29 PM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 10 hr |
| Jul 9, 11:00 AM EDT | Special Weather Statement | PHI | Carbon | 30 min |
| Jul 9, 11:33 AM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 8 hr |
| Jul 9, 11:47 AM EDT | Special Weather Statement | PHI | Monroe | 43 min |
| Jul 9, 11:49 AM EDT | Special Weather Statement | PHI | Montgomery | 41 min |
| Jul 9, 11:54 AM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery | 33 min |
| Jul 9, 12:14 PM EDT | Special Weather Statement | PHI | Bucks | 46 min |
| Jul 9, 12:15 PM EDT | Special Weather Statement | PHI | Monroe | 30 min |
| Jul 9, 12:22 PM EDT | Special Weather Statement | PHI | Lebanon | 38 min |
| Jul 9, 12:27 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 8 hr |
| Jul 9, 12:43 PM EDT | Areal Flood Advisory | PHI | Berks | 33 min |
| Jul 9, 12:51 PM EDT | Special Weather Statement | PHI | Northampton | 24 min |
| Jul 9, 12:57 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 6 hr |
| Jul 9, 1:16 PM EDT | Flash Flood Warning | PHI | Berks | 6 hr |
| Jul 9, 1:17 PM EDT | Special Weather Statement | PHI | Berks | 28 min |
| Jul 9, 1:32 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Jul 9, 2:16 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 30 min |
| Jul 9, 2:41 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jul 9, 2:46 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 6 hr |
| Jul 9, 3:01 PM EDT | Special Weather Statement | PHI | Berks | 29 min |
| Jul 9, 3:03 PM EDT | Special Weather Statement | PHI | Chester | 27 min |
| Jul 9, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 30 min |
| Jul 9, 3:20 PM EDT | Special Weather Statement | PHI | Berks | 25 min |
| Jul 9, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 33 min |
| Jul 9, 3:41 PM EDT | Special Weather Statement | PHI | Berks | 34 min |
| Jul 9, 3:51 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Lehigh, Montgomery | 6 hr |
| Jul 9, 3:59 PM EDT | Special Weather Statement | PHI | Chester | 31 min |
| Jul 9, 4:03 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 27 min |
| Jul 9, 4:19 PM EDT | Special Weather Statement | PHI | Chester | 26 min |
| Jul 9, 4:31 PM EDT | Flash Flood Warning | PHI | Chester, Montgomery | 4 hr |
| Jul 9, 5:12 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 5 hr |
| Jul 9, 5:31 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 9, 6:05 PM EDT | Special Weather Statement | PHI | Bucks | 25 min |
| Jul 9, 7:04 PM EDT | Areal Flood Warning | PHI | Berks | 9 hr |
| Jul 9, 7:27 PM EDT | River Flood Warning | PHI | Chester | 4 hr |
| Jul 9, 4:01 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
| Jul 9, 4:16 PM EDT | Special Weather Statement | PHI | New Castle | 29 min |
| Jul 9, 4:40 PM EDT | Areal Flood Advisory | PHI | New Castle | 29 min |
| Jul 9, 4:40 PM EDT | Special Weather Statement | PHI | Kent | 35 min |
| Jul 9, 4:46 PM EDT | Special Weather Statement | PHI | New Castle | 29 min |
| Jul 9, 4:49 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| Jul 9, 5:01 PM EDT | Special Weather Statement | PHI | Kent, Sussex | 29 min |
| Jul 9, 5:02 PM EDT | Areal Flood Advisory | PHI | Kent, New Castle | 3 hr |
| Jul 9, 5:31 PM EDT | Special Weather Statement | PHI | Sussex | 29 min |
| Jul 9, 5:24 PM EDT | Special Weather Statement | PHI | Caroline | 36 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.