Alert archive / New Jersey / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Dec 2, 2021, 9:47 PM EST for 5 counties in New Jersey; Bucks County, Lehigh County, Northampton County, Pennsylvania. It was in force for 43 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
- Dec 2, 2021, 9:47 PM EST (02:47 UTC)
- Expired
- Dec 2, 2021, 10:30 PM EST
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.25 in
- Wind
- 40
Counties Hunterdon County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ, Warren County, NJ, Bucks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 79 km from the middle of the area, began a volume at 02:47 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, 2.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1175 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 353 m²/s²
- 0-3 km storm-relative helicity
- 345 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
032
WWUS81 KPHI 030247
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
947 PM EST Thu Dec 2 2021
NJZ001-007>010-012-015-PAZ060>062-103-105-106-030330-
Mercer NJ-Hunterdon NJ-Morris NJ-Sussex NJ-Somerset NJ-Middlesex NJ-
Warren NJ-Lower Bucks PA-Lehigh PA-Northampton PA-Upper Bucks PA-
Western Montgomery PA-Berks PA-
947 PM EST Thu Dec 2 2021
...Strong showers with embedded thunderstorms will impact portions
of Morris, Hunterdon, south central Sussex, Warren, northwestern
Mercer, Somerset, Middlesex, northeastern Berks, Lehigh, north
central Montgomery, Bucks and Northampton Counties through 1030 PM
EST...
At 945 PM EST, doppler radar indicated strong showers with embedded
thunderstorms along a line extending from Parsippany to near
Bloomsbury to Topton. These showers have a history of producing
brief wind gusts up to 45 mph. Movement was east at 60 mph.
HAZARD...Wind gusts up to 45 mph and pea size hail.
SOURCE...Doppler radar and automated gauges.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Allentown, New Brunswick, Perth Amboy, Easton, Morristown,
Somerville, Somerset, Edison, Bethlehem, Old Bridge, East Brunswick,
Bridgewater, South Brunswick, Sayreville, North Brunswick, Carteret,
Dover, Madison, Hopatcong and Forks.
This includes the following highways...
New Jersey Turnpike between exits 10 and 12.
Northeast Extension between mile markers 35 and 63.
Interstate 78 in Pennsylvania between mile markers 40 and 76.
Interstate 78 in New Jersey between mile markers 0 and 42.
Interstate 80 in New Jersey between mile markers 18 and 48.
Interstate 287 in New Jersey between mile markers 0 and 53.
Garden State Parkway between mile markers 121 and 133.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
4045 7423 4040 7426 4025 7521 4052 7598
4088 7510 4101 7433 4097 7428 4090 7427
4091 7434 4083 7433 4076 7438 4075 7436
4067 7446 4065 7440 4060 7446 4059 7420
TIME...MOT...LOC 0245Z 282DEG 54KT 4085 7439 4061 7506 4050 7572
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 |
|---|---|---|---|---|
| Dec 2, 8:00 PM EST | Special Weather Statement | PHI | Sussex | 45 min |
| Dec 2, 8:48 PM EST | Special Weather Statement | PHI | Morris, Sussex, Warren | 42 min |
| Dec 2, 10:29 PM EST | Special Weather Statement | PHI | Mercer, Middlesex, Monmouth | 46 min |
| Dec 2, 8:19 PM EST | Special Weather Statement | PHI | Carbon | 41 min |
Nearby
Special Weather Statements in New Jersey, 2021Special Weather Statements in Pennsylvania, 2021Every special weather statement in 2021
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.