Alert archive / Pennsylvania / Snow Squall Warnings in 2025
Snow Squall Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Dec 11, 2025, 4:17 PM EST for Monroe County, Pennsylvania. It was in force for 28 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 11, 2025, 4:17 PM EST (21:17 UTC)
- Expired
- Dec 11, 2025, 4:45 PM EST
- In force
- 28 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Monroe County, PA
The radar
The Binghamton radar (KBGM), 136 km from the middle of the area, began a volume at 21:15 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, 9.3 hours before the alert went out and 208 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
- 1100 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -106 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
261
WWUS51 KPHI 112117
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
417 PM EST Thu Dec 11 2025
PAC089-112145-
/O.NEW.KPHI.SQ.W.0006.251211T2117Z-251211T2145Z/
Monroe PA-
417 PM EST Thu Dec 11 2025
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Central Monroe County in northeastern Pennsylvania...
* Until 445 PM EST.
* At 417 PM EST, a dangerous snow squall was located over Mount
Pocono, moving east at 30 mph.
HAZARD...Intense bursts of heavy snow and gusty winds leading to
blowing snow and visibility rapidly falling to less than
one-quarter mile. Wind gusts up to 35 mph.
SOURCE...Radar and webcams.
IMPACT...Travel will become difficult and potentially dangerous
within minutes.
This includes portions of Interstate 80 and 380 in Monroe County.
Locations impacted include...
Mount Pocono, East Stroudsburg, Henryville, Analomink, Tannersville,
Alpine Mountain, Scotrun, Paradise Valley, Pocono Pines, Stroudsburg,
Cresco, Arlington Heights, and Bartonsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.
&&
LAT...LON 4108 7547 4117 7544 4114 7509 4095 7517
TIME...MOT...LOC 2117Z 287DEG 24KT 4109 7536
SNOW SQUALL...OBSERVED
$$
AKL1 follow-up statement
716 WWUS51 KPHI 112145 SQWPHI Snow Squall Warning National Weather Service Mount Holly NJ 445 PM EST Thu Dec 11 2025 PAC089-112154- /O.EXP.KPHI.SQ.W.0006.000000T0000Z-251211T2145Z/ Monroe PA- 445 PM EST Thu Dec 11 2025 ...THE SNOW SQUALL WARNING FOR CENTRAL MONROE COUNTY WILL EXPIRE AT 445 PM EST... The snow squall that prompted the warning has weakened and exited the area. Therefore, the snow squall warning will be allowed to expire. LAT...LON 4108 7547 4117 7544 4114 7509 4095 7517 TIME...MOT...LOC 2144Z 287DEG 24KT 4105 7518 $$ AKL
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 2:24 PM EST | Snow Squall Warning | PHI | Monroe | 36 min |
| Dec 11, 2:57 PM EST | Snow Squall Warning | PHI | Monroe | 33 min |
| Dec 11, 6:05 PM EST | Snow Squall Warning | PHI | Monroe | 40 min |
Nearby
Snow Squall Warnings in Pennsylvania, 2025Every snow squall warning in 2025
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.