Alert archive / Pennsylvania / Snow Squall Warnings in 2022
Snow Squall Warning 8, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Mar 28, 2022, 12:08 PM EDT for Bucks County, Montgomery County, Pennsylvania. It was in force for 52 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
- Mar 28, 2022, 12:08 PM EDT (16:08 UTC)
- Expired
- Mar 28, 2022, 1:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Bucks County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 80 km from the middle of the area, began a volume at 16:08 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
Wallops Is Stn, VA (KWAL), launched 12:00Z, 4.1 hours before the alert went out and 274 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
- 1528 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- -121 m²/s²
- 0-3 km storm-relative helicity
- -36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
712
WWUS51 KPHI 281608
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
1208 PM EDT Mon Mar 28 2022
PAC017-091-281700-
/O.NEW.KPHI.SQ.W.0008.220328T1608Z-220328T1700Z/
Montgomery PA-Bucks PA-
1208 PM EDT Mon Mar 28 2022
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Central Montgomery County in southeastern Pennsylvania...
Central Bucks County in southeastern Pennsylvania...
* Until 100 PM EDT.
* At 1208 PM EDT, a dangerous snow squall was located over
Quakertown, or 14 miles southeast of Allentown, moving east at 30
mph.
HAZARD...Extremely poor visibility in snow and blowing snow. Wind
gusts up to 30 mph.
SOURCE...Radar indicated.
IMPACT...Expect hazardous road conditions.
* This includes the following highways...
Pennsylvania Turnpike between mile markers 342 and 347.
Northeast Extension between mile markers 28 and 45.
Locations impacted include...
Lansdale, Quakertown, Perkasie, Doylestown, Byram, Hatboro,
Souderton, Bedminster, Chalfont, Hatfield, New Hope, Dublin,
Schwenksville, Bryn Athyn, Ivyland, Stockton, Green Lane, Fricks,
Willow Grove and Spring Mount.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
Wet roadways will quickly freeze. Black ice will cause roads, bridges
and overpasses to become slick and dangerous. Slow down and be
prepared for sudden loss of traction.
&&
LAT...LON 4046 7544 4050 7538 4043 7506 4042 7506
4040 7504 4041 7499 4040 7497 4036 7494
4034 7494 4012 7506 4029 7555
TIME...MOT...LOC 1608Z 289DEG 27KT 4040 7536
$$
SFJ1 follow-up statement
760
WWUS51 KPHI 281638
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
1238 PM EDT Mon Mar 28 2022
PAC017-091-281700-
/O.CON.KPHI.SQ.W.0008.000000T0000Z-220328T1700Z/
Montgomery PA-Bucks PA-
1238 PM EDT Mon Mar 28 2022
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 100 PM EDT FOR
CENTRAL MONTGOMERY AND CENTRAL BUCKS COUNTIES...
At 1238 PM EDT, a dangerous snow squall was located over Doylestown,
or 17 miles northwest of Trenton, moving east at 30 mph.
HAZARD...Extremely poor visibility in snow and blowing snow. Wind
gusts greater than 30 mph.
SOURCE...Radar indicated.
IMPACT...Dangerous life-threatening travel.
This includes the following highways...
Pennsylvania Turnpike between mile markers 342 and 347.
Northeast Extension between mile markers 28 and 38.
Locations impacted include...
Lansdale, Quakertown, Perkasie, Doylestown, Byram, Hatboro,
Souderton, Bedminster, Chalfont, Hatfield, New Hope, Dublin, Bryn
Athyn, Ivyland, Stockton, Fricks, Willow Grove, Pipersville,
Gardenville and Richboro.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
Wet roadways will quickly freeze. Black ice will cause roads, bridges
and overpasses to become slick and dangerous. Slow down and be
prepared for sudden loss of traction.
&&
LAT...LON 4043 7506 4042 7506 4040 7504 4041 7499
4040 7497 4036 7494 4034 7494 4012 7506
4025 7544 4049 7535
TIME...MOT...LOC 1638Z 289DEG 27KT 4032 7507
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 11:50 AM EDT | Snow Squall Warning | PHI | Carbon, Monroe | 25 min |
| Mar 28, 12:46 PM EDT | Snow Squall Warning | PHI | Bucks, Montgomery | 44 min |
| Mar 28, 3:42 PM EDT | Snow Squall Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 33 min |
| Mar 28, 4:18 PM EDT | Snow Squall Warning | PHI | Chester, Montgomery, Philadelphia | 42 min |
Nearby
Snow Squall Warnings in Pennsylvania, 2022Every snow squall warning in 2022
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.