Alert archive / Pennsylvania / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Feb 20, 2021, 7:15 PM EST for Sussex County, New Jersey; Carbon County, Monroe County, Pennsylvania. It was in force for 45 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
- Feb 20, 2021, 7:15 PM EST (00:15 UTC)
- Expired
- Feb 20, 2021, 8:00 PM EST
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, NJ, Carbon County, PA, Monroe County, PA
The radar
The Binghamton radar (KBGM), 137 km from the middle of the area, began a volume at 00:19 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 198 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
- 1164 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
500
WWUS81 KPHI 210015
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
715 PM EST Sat Feb 20 2021
NJZ001-007-PAZ054-055-062-210100-
Sussex-Warren-Monroe-Northampton-Carbon-
715 PM EST Sat Feb 20 2021
...A SNOW SQUALL WILL AFFECT SUSSEX...NORTHERN WARREN...CARBON...
MONROE AND NORTHERN NORTHAMPTON COUNTIES...
At 714 PM EST, a snow squall was located along a line extending from
near Elmhurst to near Pecks Pond to near Sussex. Movement was
southeast at 25 mph.
Wind gusts up to 30 mph are possible with this squall.
Locations impacted include...
Newton, Lehighton, Montague, Mount Pocono, Hopatcong, East
Stroudsburg, Tobyhanna, Blairstown, Palmerton, Bangor, Franklin, Jim
Thorpe, Pen Argyl, Nesquehoning, Hamburg, Wind Gap, Weatherly,
Ogdensburg, Sussex and Hope.
This includes the following highways...
Northeast Extension between mile markers 71 and 97.
Interstate 80 in Pennsylvania between mile markers 278 and 314.
Interstate 80 in New Jersey between mile markers 0 and 22.
Interstate 380 in Pennsylvania between mile markers 0 and 13.
Visibilities will drop quickly to less than a mile in this squall.
Use extra caution if you must travel into or through this dangerous
snow squall. Rapid changes in visibility and potentially slick roads
are likely to lead to accidents. Consider delaying travel until the
squall passes your location.
LAT...LON 4120 7436 4093 7469 4075 7579 4091 7599
4101 7573 4109 7577 4113 7569 4112 7564
4123 7554 4125 7513 4115 7515 4114 7509
4108 7503 4116 7490 4132 7479 4136 7470
TIME...MOT...LOC 0014Z 330DEG 25KT 4138 7549 4127 7500 4122 7469
$$
DealThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 2:47 PM EST | Small Craft Advisory | PHI | 60 hr | |
| Feb 21, 2:47 PM EST | Winter Weather Advisory | PHI | Hunterdon, Mercer, Morris, Somerset, Sussex, Warren | 26 hr |
Nearby
Special Weather Statements in Pennsylvania, 2021Special Weather Statements in New Jersey, 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.