Alert archive / New Jersey / Special Weather Statements in 2023

Special Weather Statement, NWS Philadelphia/Mount Holly

June 25, 2023Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 25, 2023, 6:21 PM EDT for Somerset County, New Jersey. It was in force for 24 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 25, 2023, 6:21 PM EDT (22:21 UTC)
Expired: Jun 25, 2023, 6:45 PM EDT
In force: 24 min
Issued by: NWS Philadelphia/Mount Holly
Hail: 0.25 in
Wind: 40

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 76 km from the middle of the area, began a volume at 22:24 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.

What was reported inside it

Time	Report	Where	Remark
Jun 25, 6:40 PM EDT	TSTM WND DMG	Green Brook Twp, NJ	Report of a tree down in Green Brook Twp. Time estimated via radar.
Jun 25, 6:40 PM EDT	TSTM WND DMG	Green Brook Twp, NJ	Report of a tree down in Green Brook Twp. Time estimated via radar.
Jun 25, 6:51 PM EDT	TSTM WND DMG	Long Hill Twp, NJ	Report of a tree down in Long Hill Twp. Time estimated via radar.
Jun 25, 6:51 PM EDT	TSTM WND DMG	Long Hill Twp, NJ	Report of a tree down in Long Hill Twp. Time estimated via radar.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.4 hours before the alert went out and 139 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 696 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

119 
WWUS81 KPHI 252221
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
621 PM EDT Sun Jun 25 2023
 
NJZ008-010-012-252245-
Morris NJ-Somerset NJ-Middlesex NJ-
621 PM EDT Sun Jun 25 2023

...A strong thunderstorm will impact portions of south central
Morris, central Somerset and north central Middlesex Counties through
645 PM EDT...

At 621 PM EDT, Doppler radar was tracking a strong thunderstorm over
Martinsville, or over Somerville. This storm was nearly stationary.

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...
Somerville, Somerset, Bridgewater, Middlesex, Bound Brook, Manville,
Mendham, Peapack And Gladstone, Far Hills, Millstone, Martinsville,
Millington, Society Hill, Basking Ridge, South Plainfield, North
Plainfield, Bernardsville, Dunellen, Raritan and Watchung.

This includes the following highways...
 Interstate 78 in New Jersey between mile markers 30 and 43.
 Interstate 287 in New Jersey between mile markers 5 and 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4048 7453 4058 7472 4077 7460 4069 7445
      4067 7446 4066 7445 4067 7443 4066 7440
      4063 7442 4060 7446 4060 7433
TIME...MOT...LOC 2221Z 216DEG 4KT 4059 7457 

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

$$

MLB

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 8:13 PM EDT	Special Weather Statement	PHI	Warren	32 min
Jun 24, 8:18 PM EDT	Areal Flood Advisory	PHI	Warren	3 hr
Jun 25, 11:26 AM EDT	Special Weather Statement	PHI	Ocean	34 min
Jun 25, 12:20 PM EDT	Special Weather Statement	PHI	Ocean	25 min
Jun 25, 12:32 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Ocean	28 min
Jun 25, 12:50 PM EDT	Areal Flood Advisory	PHI	Burlington, Ocean	3 hr
Jun 25, 2:25 PM EDT	Special Weather Statement	PHI	Ocean	35 min
Jun 25, 3:09 PM EDT	Special Weather Statement	PHI	Hunterdon	36 min
Jun 25, 3:18 PM EDT	Areal Flood Advisory	PHI	Hunterdon	3 hr
Jun 25, 4:01 PM EDT	Flash Flood Warning	PHI	Burlington, Camden	4 hr
Jun 25, 4:05 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	25 min
Jun 25, 4:52 PM EDT	Special Weather Statement	PHI	Camden	23 min
Jun 25, 4:57 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	33 min
Jun 25, 5:13 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	32 min
Jun 25, 5:22 PM EDT	Flash Flood Warning	PHI	Camden	3 hr
Jun 25, 5:43 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	32 min
Jun 25, 6:13 PM EDT	Special Weather Statement	PHI	Burlington, Camden	32 min
Jun 25, 6:26 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	34 min
Jun 25, 6:31 PM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Morris, Somerset	29 min
Jun 25, 6:53 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Monmouth, Ocean	37 min
Jun 25, 6:57 PM EDT	Areal Flood Advisory	PHI	Middlesex, Morris, Somerset	3 hr
Jun 25, 7:20 PM EDT	Special Weather Statement	PHI	Monmouth	25 min
Jun 25, 7:35 PM EDT	Special Weather Statement	PHI	Middlesex	25 min
Jun 24, 9:19 PM EDT	Areal Flood Advisory	PHI	Northampton	101 min
Jun 25, 2:55 PM EDT	Special Weather Statement	PHI	Philadelphia	35 min
Jun 25, 3:24 PM EDT	Special Weather Statement	PHI	Philadelphia	36 min
Jun 25, 3:47 PM EDT	Areal Flood Advisory	PHI	Montgomery, Philadelphia	15 min
Jun 25, 4:01 PM EDT	Special Weather Statement	PHI	Philadelphia	29 min
Jun 25, 4:11 PM EDT	Special Weather Statement	PHI	Delaware	34 min
Jun 25, 4:16 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	44 min
Jun 25, 4:27 PM EDT	Severe Thunderstorm Warning	PHI	Chester	33 min
Jun 25, 4:47 PM EDT	Areal Flood Advisory	PHI	Carbon, Lehigh, Northampton	3 hr
Jun 25, 4:51 PM EDT	Areal Flood Advisory	PHI	Berks, Chester	3 hr
Jun 25, 5:27 PM EDT	Areal Flood Advisory	PHI	Delaware, Montgomery, Philadelphia	3 hr
Jun 25, 5:35 PM EDT	Areal Flood Advisory	PHI	Carbon, Monroe	3 hr
Jun 25, 5:56 PM EDT	Areal Flood Advisory	PHI	Berks	3 hr

Nearby

Special Weather Statements in New Jersey, 2023 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.