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, 8:48 PM EST for Morris County, Sussex County, Warren County, New Jersey; Carbon County, Monroe County, Pennsylvania. It was in force for 42 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, 8:48 PM EST (01:48 UTC)
- Expired
- Dec 2, 2021, 9:30 PM EST
- In force
- 42 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.25 in
- Wind
- 40
Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ, Carbon County, PA, Monroe County, PA
The radar
The Philadelphia radar (KDIX), 129 km from the middle of the area, began a volume at 01:50 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, 1.8 hours before the alert went out and 171 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.
563
WWUS81 KPHI 030148
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
848 PM EST Thu Dec 2 2021
NJZ001-007-008-PAZ054-055-062-030230-
Morris NJ-Sussex NJ-Warren NJ-Monroe PA-Northampton PA-Carbon PA-
848 PM EST Thu Dec 2 2021
...Strong showers with embedded thunderstorms will impact portions
of northern Morris, Sussex, northern Warren, northern Carbon, Monroe
and northeastern Northampton Counties through 930 PM EST...
At 847 PM EST, Doppler radar was tracking strong thunderstorms along
a line extending from Millbrook to Tannersville to Freeland. Movement
was east at 45 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...
Newton, Mount Pocono, Dover, Hopatcong, Kinnelon, East Stroudsburg,
Hackettstown, Boonton, Butler, Wharton, Rockaway, Blairstown, Bangor,
Mount Arlington, Franklin, Jim Thorpe, Mountain Lakes, Stanhope, Pen
Argyl and Riverdale.
This includes the following highways...
Northeast Extension between mile markers 78 and 97.
Interstate 80 in Pennsylvania between mile markers 277 and 314.
Interstate 80 in New Jersey between mile markers 0 and 41.
Interstate 287 in New Jersey between mile markers 44 and 54.
Interstate 380 in Pennsylvania between mile markers 0 and 3.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4120 7436 4110 7449 4104 7450 4105 7445
4102 7443 4100 7430 4097 7428 4095 7428
4084 7451 4081 7547 4094 7592 4101 7573
4105 7577 4108 7577 4111 7573 4112 7506
4108 7503 4115 7491 4125 7445
TIME...MOT...LOC 0147Z 287DEG 41KT 4108 7495 4104 7532 4103 7588
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, 9:47 PM EST | Special Weather Statement | PHI | Hunterdon, Middlesex, Morris, Somerset, Warren | 43 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.