Alert archive / Pennsylvania / Snow Squall Warnings in 2022
Snow Squall Warning 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this snow squall warning at Feb 5, 2022, 9:41 AM EST for Berks County, Pennsylvania. It was in force for 49 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 5, 2022, 9:41 AM EST (14:41 UTC)
- Expired
- Feb 5, 2022, 10:30 AM EST
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 149 km from the middle of the area, began a volume at 14:41 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, 2.7 hours before the alert went out and 200 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
- 1014 m above ground
- 0-6 km bulk shear
- 117 kt
- 0-1 km storm-relative helicity
- -238 m²/s²
- 0-3 km storm-relative helicity
- -184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
135
WWUS51 KPHI 051441
SQWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Mount Holly NJ
941 AM EST Sat Feb 5 2022
PAC011-051530-
/O.NEW.KPHI.SQ.W.0001.220205T1441Z-220205T1530Z/
Berks PA-
941 AM EST Sat Feb 5 2022
The National Weather Service in Mount Holly NJ has issued a
* Snow Squall Warning for...
Central Berks County in eastern Pennsylvania...
* Until 1030 AM EST.
* At 940 AM EST, a dangerous snow squall was located over
Strausstown, or 9 miles south of Schuylkill Haven, moving southeast
at 10 mph.
HAZARD...Poor visibility in heavy snow and blowing snow. Wind
gusts up to 30 mph.
SOURCE...Radar indicated.
IMPACT...Dangerous life-threatening travel.
* This includes the following highways...
Interstate 78 in Pennsylvania between mile markers 18 and 24.
Interstate 176 in Pennsylvania between mile markers 5 and 11.
Locations impacted include...
Reading, Wyomissing, Birdsboro, Sinking Spring, Bernville,
Strausstown, Fairview Hgts, Spring Ridge, Shillington, West Reading,
Mount Penn, Mohnton, Kenhorst, St. Lawrence, Wyomissing Hills, West
Lawn, Lorane, Reiffton, Whitfield and West Wyomissing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
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 4055 7615 4027 7579 4020 7590 4052 7626
TIME...MOT...LOC 1440Z 316DEG 11KT 4049 7617
$$
SFJ1 follow-up statement
248
WWUS51 KPHI 051513
SQWPHI
Snow Squall Warning
National Weather Service Mount Holly NJ
1013 AM EST Sat Feb 5 2022
PAC011-051530-
/O.CON.KPHI.SQ.W.0001.000000T0000Z-220205T1530Z/
Berks PA-
1013 AM EST Sat Feb 5 2022
...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 1030 AM EST FOR
CENTRAL BERKS COUNTY...
At 1013 AM EST, a dangerous snow squall was located over Bernville,
or 9 miles northwest of Reading, moving southeast at 15 mph.
HAZARD...Poor visibility in heavy snow and blowing snow. Wind gusts
up to 30 mph.
SOURCE...Public.
IMPACT...Dangerous life-threatening travel.
This includes Interstate 176 in Pennsylvania between mile markers 5
and 11.
Locations impacted include...
Reading, Wyomissing, Birdsboro, Sinking Spring, Bernville, Fairview
Hgts, Spring Ridge, Shillington, West Reading, Mount Penn, Mohnton,
Kenhorst, St. Lawrence, Wyomissing Hills, West Lawn, Lorane,
Reiffton, Whitfield, West Wyomissing and Flying Hills.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Reduce your speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.
Slow Down! Rapid changes in visibility and road conditions are
expected with this dangerous snow squall. Be alert for sudden
whiteout conditions.
Wet roadways will quickly freeze. Black ice will cause roads, bridges
and overpasses to become slick and dangerous. Slow down and be
prepared for sudden loss of traction.
&&
LAT...LON 4027 7579 4020 7590 4042 7615 4049 7607
TIME...MOT...LOC 1513Z 316DEG 11KT 4042 7608
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 5, 3:08 AM EST | Special Weather Statement | PHI | Bucks | 37 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.