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 Jan 20, 2021, 8:56 AM EST for Carbon County, Monroe County, Pennsylvania. It was in force for 49 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
- Jan 20, 2021, 8:56 AM EST (13:56 UTC)
- Expired
- Jan 20, 2021, 9:45 AM EST
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Carbon County, PA, Monroe County, PA
The radar
The Binghamton radar (KBGM), 134 km from the middle of the area, began a volume at 13:59 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 12:00Z, 1.9 hours before the alert went out and 214 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
- 1247 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
785
WWUS81 KPHI 201356
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
856 AM EST Wed Jan 20 2021
NJZ007-PAZ054-055-062-201445-
Warren-Monroe-Northampton-Carbon-
856 AM EST Wed Jan 20 2021
...AN AREA OF HEAVY SNOW WILL AFFECT NORTHWESTERN WARREN...EASTERN
CARBON...MONROE AND NORTHERN NORTHAMPTON COUNTIES...
At 855 AM EST, strong snow showers were located near Arrowhead Lake,
or 8 miles west of Mount Pocono, moving southeast at 35 mph. The
snow showers could temporarily drop visibilities below half a mile
and produce minor accumulations on roadways.
Locations impacted include...
Mount Pocono, East Stroudsburg, Tobyhanna, Blairstown, Palmerton,
Bangor, Jim Thorpe, Pen Argyl, Wind Gap, Bath, Weatherly, Belfast,
East Bangor, Stormville, Werry Lake, Pocono Pines, Lake Harmony,
Skytop, Tannersville and Long Pond.
This includes the following highways...
Northeast Extension between mile markers 77 and 97.
Interstate 80 in Pennsylvania between mile markers 277 and 314.
Interstate 80 in New Jersey between mile markers 0 and 8.
Interstate 380 in Pennsylvania between mile markers 0 and 13.
LAT...LON 4115 7515 4114 7509 4108 7503 4109 7501
4098 7494 4070 7545 4097 7584 4101 7573
4105 7577 4109 7577 4113 7569 4112 7564
4123 7554 4125 7513
TIME...MOT...LOC 1355Z 321DEG 29KT 4116 7551
$$
NCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 9:52 AM EST | Special Weather Statement | PHI | Hunterdon, Somerset, Warren | 53 min |
| Jan 20, 10:42 AM EST | Special Weather Statement | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset | 63 min |
| Jan 20, 12:02 PM EST | Special Marine Warning | PHI | 58 min | |
| Jan 20, 1:00 PM EST | Special Marine Warning | PHI | 65 min |
Nearby
Special 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.