Alert archive / Pennsylvania / Snow Squall Warnings in 2022
Snow Squall Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Feb 19, 2022, 1:19 PM EST for 5 counties in Pennsylvania. It was in force for 56 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 19, 2022, 1:19 PM EST (18:19 UTC)
- Expired
- Feb 19, 2022, 2:15 PM EST
- In force
- 56 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Berks County, PA, Bucks County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 151 km from the middle of the area, began a volume at 18:18 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.3 hours before the alert went out and 212 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
- 1957 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
862
WWUS51 KPHI 191819
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
119 PM EST Sat Feb 19 2022
PAC011-017-077-091-095-191915-
/O.NEW.KPHI.SQ.W.0003.220219T1819Z-220219T1915Z/
Berks PA-Lehigh PA-Montgomery PA-Bucks PA-Northampton PA-
119 PM EST Sat Feb 19 2022
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Berks County in eastern Pennsylvania...
Lehigh County in eastern Pennsylvania...
Northwestern Montgomery County in southeastern Pennsylvania...
West central Bucks County in southeastern Pennsylvania...
South central Northampton County in eastern Pennsylvania...
* Until 215 PM EST.
* At 118 PM EST, a dangerous snow squall was located along a line
extending from near Snyders to near Richland, moving east at 40
mph.
HAZARD...Snow and blowing snow. Wind gusts over 40 mph.
SOURCE...Radar indicated.
IMPACT...Expect hazardous road conditions.
* This includes the following highways...
Northeast Extension between mile markers 45 and 62.
Interstate 78 in Pennsylvania near mile marker 8, and between mile
markers 10 and 67.
Interstate 176 in Pennsylvania between mile markers 10 and 11.
Locations impacted include...
Allentown, Reading, Bethlehem, Emmaus, Wyomissing, Hellertown,
Kutztown, Hamburg, Fleetwood, Sinking Spring, Laureldale, East
Greenville, Womelsdorf, Wernersville, Topton, Robesonia, Leesport,
Shoemakersville, Bally and Bernville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 4051 7637 4052 7625 4054 7617 4058 7606
4057 7602 4065 7598 4070 7583 4072 7580
4070 7576 4059 7531 4027 7557 4029 7612
4036 7621 4048 7642
TIME...MOT...LOC 1818Z 281DEG 35KT 4074 7591 4042 7625
$$
Fitzsimmons1 follow-up statement
968
WWUS51 KPHI 191900
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
200 PM EST Sat Feb 19 2022
PAC011-017-077-091-095-191915-
/O.CON.KPHI.SQ.W.0003.000000T0000Z-220219T1915Z/
Berks PA-Lehigh PA-Montgomery PA-Bucks PA-Northampton PA-
200 PM EST Sat Feb 19 2022
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 215 PM EST FOR
NORTHEASTERN BERKS...LEHIGH...NORTHWESTERN MONTGOMERY...WEST CENTRAL
BUCKS AND SOUTH CENTRAL NORTHAMPTON COUNTIES...
At 200 PM EST, a dangerous snow squall was located along a line
extending from Lehigh University to near Cedarville, moving east at
45 mph.
HAZARD...Heavy snow and blowing snow. Wind gusts greater than 40 mph.
SOURCE...Radar indicated.
IMPACT...Dangerous life-threatening travel.
This includes the following highways...
Northeast Extension between mile markers 45 and 62.
Interstate 78 in Pennsylvania between mile markers 39 and 67.
Interstate 176 in Pennsylvania between mile markers 10 and 11.
Locations impacted include...
Allentown, Reading, Bethlehem, Emmaus, Wyomissing, Hellertown,
Kutztown, Fleetwood, Sinking Spring, Laureldale, East Greenville,
Wernersville, Topton, Robesonia, Leesport, Shoemakersville, Bally,
Bechtelsville, Lyons and Coffeetown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
&&
LAT...LON 4033 7617 4034 7618 4069 7570 4059 7531
4027 7557 4029 7612
TIME...MOT...LOC 1900Z 282DEG 37KT 4059 7538 4027 7572
$$
FitzsimmonsThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 12:18 PM EST | Special Weather Statement | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 1 more | 3 hr |
| Feb 19, 12:53 PM EST | Snow Squall Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 52 min |
| Feb 19, 1:36 PM EST | Snow Squall Warning | PHI | Bucks, Lehigh, Monroe, Northampton | 54 min |
| Feb 19, 2:20 PM EST | Snow Squall Warning | PHI | Bucks, Chester, Lehigh, Montgomery, Northampton | 40 min |
| Feb 19, 2:29 PM EST | Special Weather Statement | PHI | Chester, Delaware, Philadelphia | 61 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.