Alert archive / New Jersey / Special Weather Statements in 2022

Special Weather Statement, NWS Philadelphia/Mount Holly

November 18, 20224 counties in New Jersey; Bucks County, Chester County, Montgomery County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Nov 18, 2022, 7:20 PM EST for 4 counties in New Jersey; Bucks County, Chester County, Montgomery County, Pennsylvania. It was in force for 55 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
Nov 18, 2022, 7:20 PM EST (00:20 UTC)
Expired
Nov 18, 2022, 8:15 PM EST
In force
55 min
Issued by
NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Somerset County, NJ, Bucks County, PA, Chester County, PA, Montgomery County, PA

The radar

The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 00:22 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, 0.3 hours before the alert went out and 142 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-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2022-11-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2022-11-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.1939587897117136156175Sfc1 km3 km6 km9 kmRMLM
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
1886 m above ground
0-6 km bulk shear
100 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

956 
WWUS81 KPHI 190020
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
720 PM EST Fri Nov 18 2022

NJZ008>010-012-013-015-019-PAZ070-071-101>106-190115-
Mercer-Morris-Hunterdon-Northwestern Burlington-Western
Monmouth-Somerset-Middlesex-Lower Bucks-Eastern Montgomery-Western
Chester-Philadelphia-Upper Bucks-Western Montgomery-Delaware-Eastern
Chester-
720 PM EST Fri Nov 18 2022

...SNOW SHOWERS WILL AFFECT SOUTHEASTERN MORRIS...HUNTERDON... 
MERCER...NORTH CENTRAL BURLINGTON...SOMERSET...WEST CENTRAL 
MONMOUTH...MIDDLESEX...MONTGOMERY...BUCKS...NORTHEASTERN CHESTER... 
NORTHERN PHILADELPHIA AND NORTH CENTRAL DELAWARE COUNTIES...

At 720 PM EST, snow showers were located along a line extending from 
near Clinton to near West Chester. Movement was east at 45 mph.

Wind gusts up to 40 mph are possible with these snow showers.

Locations impacted include...
Philadelphia, Trenton, New Brunswick, Perth Amboy, West Chester,
Somerville, Somerset, Edison, Old Bridge, Bensalem, East Brunswick,
Bridgewater, South Brunswick, Sayreville, North Brunswick, Ewing,
Norristown, Carteret, Phoenixville and Lansdale.

This includes the following highways...
 New Jersey Turnpike between exits 7A and 12.
 Pennsylvania Turnpike between mile markers 309 and 359.
 Northeast Extension between mile markers 21 and 39.
 Interstate 95 in Pennsylvania between mile markers 37 and 40.
 Interstate 76 in Pennsylvania between mile markers 327 and 337.
 Interstate 78 in New Jersey between mile markers 22 and 43.
 Interstate 195 in New Jersey between mile markers 0 and 10.
 Interstate 295 in New Jersey between mile markers 56 and 76.
 Interstate 287 in New Jersey between mile markers 0 and 29.
 Interstate 476 in Pennsylvania between mile markers 11 and 19.
 Garden State Parkway between mile markers 123 and 133.

Conditions can deteriorate rapidly in winter weather situations. 
Slow down and allow extra time when traveling.

LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
      4046 7425 4015 7457 3990 7592 4053 7524
      4077 7437 4074 7437 4067 7446 4066 7445
      4067 7441 4065 7440 4060 7446 4059 7420
TIME...MOT...LOC 0020Z 251DEG 41KT 4057 7494 3999 7554 

$$

RCM

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 18, 7:58 PM ESTSpecial Weather StatementPHISussex, Warren62 min
Nov 18, 8:13 PM ESTSpecial Weather StatementPHIMiddlesex, Monmouth62 min
Nov 19, 3:16 AM ESTGale WarningPHI39 hr

Nearby

Special Weather Statements in New Jersey, 2022Special Weather Statements in Pennsylvania, 2022Every special weather statement in 2022

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.