Alert archive / Pennsylvania / Snow Squall Warnings in 2025
Snow Squall Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Dec 11, 2025, 2:24 PM EST for Monroe County, Pennsylvania. It was in force for 36 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, 2:24 PM EST (19:24 UTC)
- Expired
- Dec 11, 2025, 3:00 PM EST
- In force
- 36 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Monroe County, PA
The radar
The Binghamton radar (KBGM), 131 km from the middle of the area, began a volume at 19:28 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, 7.4 hours before the alert went out and 203 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.
044
WWUS51 KPHI 111924
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
224 PM EST Thu Dec 11 2025
PAC089-112000-
/O.NEW.KPHI.SQ.W.0004.251211T1924Z-251211T2000Z/
Monroe PA-
224 PM EST Thu Dec 11 2025
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Northern Monroe County in northeastern Pennsylvania...
* Until 300 PM EST.
* At 222 PM EST, a dangerous snow squall was located over Gouldsboro,
or 9 miles northwest of Mount Pocono, moving east at 35 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 Interstate 380 between mile markers 0 and 14.
Locations impacted include...
Mount Pocono, Tobyhanna, Henryville, Werry Lake, Skytop,
Mountainhome, Canadensis, Alpine Mountain, Echo Lake, Paradise
Valley, Gouldsboro State Park, Cresco, and Hidden Lake.
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 4115 7515 4114 7509 4108 7503 4103 7504
4103 7506 4116 7556 4123 7555 4122 7551
4123 7551 4125 7513
TIME...MOT...LOC 1922Z 282DEG 30KT 4123 7545
SNOW SQUALL...OBSERVED
$$
AKL2 follow-up statements
392
WWUS51 KPHI 111947
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
247 PM EST Thu Dec 11 2025
PAC089-112000-
/O.CON.KPHI.SQ.W.0004.000000T0000Z-251211T2000Z/
Monroe PA-
247 PM EST Thu Dec 11 2025
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 300 PM EST FOR
NORTHERN MONROE COUNTY...
At 247 PM EST, a dangerous snow squall was located near Canadensis,
or 10 miles northeast of Mount Pocono, moving east at 35 mph.
HAZARD...Intense bursts of heavy snow. Gusty winds leading to
blowing snow and visibility rapidly falling to less than
one-quarter mile. Wind gusts up to 35 mph.
SOURCE...Radar and webcams.
IMPACT...Travel will become difficult and potentially dangerous
within minutes.
This includes Interstate 380 between mile markers 3 and 14.
Locations impacted include...
Mount Pocono, Tobyhanna, Henryville, Werry Lake, Skytop,
Mountainhome, Canadensis, Alpine Mountain, Echo Lake, Paradise
Valley, Gouldsboro State Park, Cresco, and Hidden Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.
&&
LAT...LON 4115 7515 4114 7509 4108 7503 4103 7504
4103 7506 4116 7556 4123 7555 4122 7551
4123 7551 4125 7513
TIME...MOT...LOC 1947Z 282DEG 30KT 4119 7517
SNOW SQUALL...OBSERVED
$$
AKL230
WWUS51 KPHI 111958
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
258 PM EST Thu Dec 11 2025
PAC089-112008-
/O.EXP.KPHI.SQ.W.0004.000000T0000Z-251211T2000Z/
Monroe PA-
258 PM EST Thu Dec 11 2025
...THE SNOW SQUALL WARNING FOR NORTHERN MONROE COUNTY WILL EXPIRE AT
300 PM EST...
The snow squall that prompted the warning has exited the area.
Therefore, the snow squall warning will be allowed to expire.
LAT...LON 4115 7515 4114 7509 4108 7503 4103 7504
4103 7506 4116 7556 4123 7555 4122 7551
4123 7551 4125 7513
TIME...MOT...LOC 1958Z 282DEG 30KT 4118 7509
$$
AKLThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 2:57 PM EST | Snow Squall Warning | PHI | Monroe | 33 min |
| Dec 11, 4:17 PM EST | Snow Squall Warning | PHI | Monroe | 28 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.