Alert archive / Pennsylvania / Snow Squall Warnings in 2025
Snow Squall Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Feb 14, 2025, 3:55 AM EST for Bucks County, Lehigh County, Pennsylvania. It was in force for 35 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 14, 2025, 3:55 AM EST (08:55 UTC)
- Expired
- Feb 14, 2025, 4:30 AM EST
- In force
- 35 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Bucks County, PA, Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 111 km from the middle of the area, began a volume at 09:01 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, 8.9 hours before the alert went out and 221 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
- 921 m above ground
- 0-6 km bulk shear
- 110 kt
- 0-1 km storm-relative helicity
- -205 m²/s²
- 0-3 km storm-relative helicity
- -242 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
165
WWUS51 KPHI 140855
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
355 AM EST Fri Feb 14 2025
PAC017-077-140930-
/O.NEW.KPHI.SQ.W.0002.250214T0855Z-250214T0930Z/
Lehigh PA-Bucks PA-
355 AM EST Fri Feb 14 2025
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Lehigh County in eastern Pennsylvania...
Northwestern Bucks County in southeastern Pennsylvania...
* Until 430 AM EST.
* At 354 AM EST, the leading edge of a dangerous snow squall was
located near the Quakertown area, or 9 miles southeast of
Allentown, moving southeast at 35 mph.
HAZARD...Intense bursts of heavy snow and gusty winds leading to
blowing snow and rapidly falling visibility. Wind gusts
up to 35 mph.
SOURCE...Radar and webcams.
IMPACT...Travel will become difficult and potentially dangerous
within minutes.
This includes the following highways...
Northeast Extension between mile markers 39 and 63.
Interstate 78 in Pennsylvania between mile markers 45 and 63.
Locations impacted include...
Allentown, Emmaus, Quakertown, Perkasie, Souderton, Bedminster,
Chalfont, Tinicum, Dublin, Pleasant Valley, Fricks, Coffeetown,
Zionsville, Ancient Oaks, Claussville, Ottsville, Pipersville,
Schnecksville, Geryville, and Telford.
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 4065 7585 4068 7561 4059 7540 4058 7541
4054 7533 4055 7531 4045 7507 4026 7523
TIME...MOT...LOC 0854Z 303DEG 29KT 4048 7539
SNOW SQUALL...OBSERVED
$$
Gorse1 follow-up statement
251
WWUS51 KPHI 140914
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
414 AM EST Fri Feb 14 2025
PAC017-077-140930-
/O.CON.KPHI.SQ.W.0002.000000T0000Z-250214T0930Z/
Lehigh PA-Bucks PA-
414 AM EST Fri Feb 14 2025
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 430 AM EST FOR
SOUTHEASTERN LEHIGH AND NORTHWESTERN BUCKS COUNTIES...
At 413 AM EST, the leading edge of a dangerous snow squall was
located over the Dublin area, or 19 miles southeast of Allentown,
moving southeast at 35 mph.
HAZARD...Intense bursts of heavy snow. Gusty winds leading to
blowing snow and rapidly falling visibility. Wind gusts up
to 35 mph.
SOURCE...Radar and webcams.
IMPACT...Travel will become difficult and potentially dangerous
within minutes.
This includes the following highways...
Northeast Extension between mile markers 39 and 59.
Interstate 78 in Pennsylvania between mile markers 45 and 63.
Locations impacted include...
Allentown, Emmaus, Quakertown, Perkasie, Souderton, Bedminster,
Chalfont, Tinicum, Dublin, Pleasant Valley, Fricks, Zionsville,
Ancient Oaks, Ottsville, Pipersville, Geryville, Telford,
Sellersville, Macungie, and Coopersburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
near whiteout conditions.
&&
LAT...LON 4059 7575 4063 7551 4059 7540 4058 7541
4054 7533 4055 7531 4045 7507 4026 7523
TIME...MOT...LOC 0913Z 302DEG 29KT 4040 7522
SNOW SQUALL...OBSERVED
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 3:03 AM EST | Special Weather Statement | PHI | Montgomery | 27 min |
| Feb 14, 3:22 AM EST | Special Weather Statement | PHI | Lehigh | 23 min |
| Feb 14, 3:30 AM EST | Winter Weather Advisory | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 57 hr |
| Feb 14, 3:31 AM EST | Special Weather Statement | PHI | Montgomery | 29 min |
| Feb 14, 3:46 AM EST | Special Weather Statement | PHI | Lehigh | 29 min |
| Feb 14, 4:28 AM EST | Snow Squall Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 47 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.