Alert archive / Pennsylvania / Snow Squall Warnings in 2022

Snow Squall Warning 4, NWS State College, PA

February 19, 20225 counties in Pennsylvania

NWS State College, PA issued this snow squall warning at Feb 19, 2022, 10:21 AM EST for 5 counties in Pennsylvania. It was in force for 84 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 19, 2022, 10:21 AM EST (15:21 UTC)
Expired: Feb 19, 2022, 11:45 AM EST
In force: 84 min
Issued by: NWS State College, PA
Area: Storm-based polygon

Counties Blair County, PA, Cambria County, PA, Centre County, PA, Clearfield County, PA, Somerset County, PA

The radar

The State College radar (KCCX), 56 km from the middle of the area, began a volume at 15:22 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.4 hours before the alert went out and 263 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 439 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: 242 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this snow squall warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this snow squall warning went out at Feb 19, 10:14 AM EST, 7 minutes earlier.

Area forecast discussion, Feb 19, 10:14 AM EST, 7 minutes before

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Hazardous weather outlook, Feb 19, 4:54 AM EST, 5 hours 27 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
454 AM EST Sat Feb 19 2022

PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059-
063>066-201000-
Northern Clinton-Northern Centre-Southern Centre-Blair-Huntingdon-
Mifflin-Juniata-Bedford-Fulton-Franklin-Tioga-Northern Lycoming-
Sullivan-Southern Clinton-Southern Lycoming-Union-Snyder-Montour-
Northumberland-Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-
Adams-York-Lancaster-
454 AM EST Sat Feb 19 2022

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 7 PM EST THIS
EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Wind Advisory.

Snow squalls may create dangerous travel conditions this morning into
early afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Snow and ice accumulation is possible Thursday into Friday and could
result in hazardous travel conditions. Continue to monitor the
forecast for updates.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004>006-010-011-017-024-033-201000-
Warren-McKean-Potter-Elk-Cameron-Clearfield-Cambria-Somerset-
454 AM EST Sat Feb 19 2022

...WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM EST THIS AFTERNOON...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Winter Weather Advisory.
   Wind Advisory.

Snow squalls may create dangerous travel conditions this morning into
early afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Snow and ice accumulation is possible Thursday into Friday and could
result in hazardous travel conditions. Continue to monitor the
forecast for updates.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

MRS

In the hours before

Special weather statement, Feb 19, 7:10 AM EST, 3 hours 11 minutes before

Special Weather Statement
National Weather Service State College PA
710 AM EST Sat Feb 19 2022

PAZ012-037-041-191330-
Northern Clinton PA-Northern Lycoming PA-Tioga PA-
710 AM EST Sat Feb 19 2022

...A BAND OF HEAVY SNOW WILL AFFECT PARTS OF NORTHERN
CLINTON...NORTHERN LYCOMING...AND TIOGA COUNTIES...

HAZARDS...A band of heavy snow which can rapidly reduce visibility
to near a quarter of a mile.

LOCATION AND MOVEMENT...At 708 AM EST, a band of heavy snow was
along a line extending from 17 miles northwest of Wellsboro to near
Emporium and moving east at 55 MPH.

THIS BAND OF HEAVY SNOW WILL BE NEAR...
  Westfield and Gaines around 715 AM EST.
  Tamarack, Keeneyville and Westport around 725 AM EST.
  Renovo around 730 AM EST.
  Mansfield and South Renovo around 735 AM EST.
  Hyner around 740 AM EST.
  Slate Run and Millerton around 745 AM EST.

* This includes the following highways...
   Route 6 from near Gaines to the Bradford county line.
   Route 15 from south of Trout Run to Lawrenceville.
   State Road 14 from Trout Run to the Bradford County line.
   State Road 120 from Bucktail State Park to Hyner View State Park.

SAFETY INFO...
Use extra caution if you must travel into or through heavy snow.
Rapid changes in visibility and potentially slick roads may lead to
accidents.

Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time to reach your destination.

&&

LAT...LON 4199 7692 4160 7688 4159 7681 4147 7677
      4136 7690 4133 7707 4118 7741 4120 7790
      4125 7790 4120 7797 4121 7809 4148 7793
      4148 7760 4200 7761
TIME...MOT...LOC 1208Z 267DEG 49KT 4188 7759 4138 7819

Colbert

Special weather statement, Feb 19, 7:23 AM EST, 2 hours 58 minutes before

Special Weather Statement
National Weather Service State College PA
723 AM EST Sat Feb 19 2022

PAZ017-018-024-191330-
Northern Centre PA-Clearfield PA-Cambria PA-
723 AM EST Sat Feb 19 2022

...A BAND OF HEAVY SNOW WILL AFFECT PARTS OF NORTHERN CENTRE...
CLEARFIELD...AND CAMBRIA COUNTIES...

HAZARDS...A band of heavy snow which can rapidly reduce visibility to
a quarter of a mile.

LOCATION AND MOVEMENT...At 722 AM EST, a band of heavy snow was along
a line extending from 16 miles northeast of Clearfield to near
Greensburg and moving east at 60 MPH.

THIS BAND OF HEAVY SNOW WILL BE NEAR...
  Pine Glen and Karthaus around 730 AM EST.
  Southmont around 755 AM EST.
  Johnstown, Scalp Level and Paint around 800 AM EST.
  Salix-Beauty Line Park, Sidman and St. Michael around 805 AM EST.
  Dunlo and Beaverdale-Lloydell around 810 AM EST.

* For those driving on Interstate 80, this includes areas between the
  Dubois and Milesburg exits, specifically from mile markers 98 to
  154.

This includes the following highways...
 Route 22 from the Indiana County line to near Gallitzin.
 Route 219 between Geistown and Burnside...and between west of
 Mahaffey and south of DuBois, and near DuBois.
 Route 322 from south of DuBois to north of Port Matilda.
 Route 422 from the Indiana county line to Ebensburg.
 State Road 56 from the Westmoreland County line to Johnstown.
 State Road 153 from near S.B. Elliot State Park to Penfield.
 State Road 255 from Penfield to north of Penfield.
 State Road 350 from Philipsburg to near Bald Eagle.
 The Johnstown Expressway.

SAFETY INFO...
Use extra caution if you must travel into or through this band of
heavy snow. Rapid changes in visibility and potentially slick roads
may lead to accidents.

Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time to reach your destination.

&&

LAT...LON 4072 7880 4120 7876 4122 7865 4125 7864
      4122 7810 4114 7801 4124 7791 4118 7790
      4111 7775 4109 7763 4074 7823 4073 7836
      4051 7854 4037 7856 4031 7864 4024 7886
      4028 7893 4029 7905
TIME...MOT...LOC 1222Z 268DEG 51KT 4116 7818 4021 7955

Colbert

Special weather statement, Feb 19, 7:37 AM EST, 2 hours 44 minutes before

Special Weather Statement
National Weather Service State College PA
737 AM EST Sat Feb 19 2022

PAZ004-005-191330-
McKean PA-Warren PA-
737 AM EST Sat Feb 19 2022

...A SNOW SQUALL WILL AFFECT PARTS OF MCKEAN AND WARREN COUNTIES...

HAZARDS...A snow squall which can rapidly reduce visibility to less
than a quarter of a mile.

LOCATION AND MOVEMENT...At 735 AM EST, a snow squall was along a line
extending from 12 miles northeast of Jamestown to 25 miles northeast
of Meadville and moving southeast at 30 MPH.

THIS SQUALL WILL BE NEAR...
  Spring Creek around 750 AM EST.
  Grand Valley around 755 AM EST.
  Garland around 800 AM EST.
  Bradford around 825 AM EST.

* This includes the following highways...
   Route 6 from near Corry to wetmore.
   Route 62 from south of Tidioute to the New York border.
   Route 219 from near the Bradford Regional Airport to the New York
   border.
   State Road 59 from Warren to the Bradford Regional Airport.

SAFETY INFO...
Use extra caution if you must travel into or through this squall.
Rapid changes in visibility and potentially slick roads may lead to
accidents.

Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time to reach your destination.

&&

LAT...LON 4193 7961 4200 7950 4200 7840 4162 7894
      4163 7955 4167 7962
TIME...MOT...LOC 1235Z 295DEG 27KT 4221 7904 4182 7971

Colbert

Special weather statement, Feb 19, 8:18 AM EST, 2 hours 3 minutes before

Special Weather Statement
National Weather Service State College PA
818 AM EST Sat Feb 19 2022

PAZ005-006-010-011-191445-
McKean PA-Potter PA-Cameron PA-Elk PA-
818 AM EST Sat Feb 19 2022

...A SNOW SQUALL WILL AFFECT PARTS OF MCKEAN...POTTER...CAMERON...AND
ELK COUNTIES THROUGH 945 AM...

HAZARDS...A snow squall which can rapidly reduce visibility to less
than a quarter of a mile.

LOCATION AND MOVEMENT...At 815 AM EST, a snow squall was along a line
extending from 17 miles northwest of Wellsville to 10 miles southwest
of Bradford to 12 miles northeast of Oil City to near Grove City and
moving east at 65 MPH.

THIS SQUALL WILL BE NEAR...
  Westline around 820 AM EST.
  Cyclone around 825 AM EST.
  Rew around 830 AM EST.
  Coryville and Smethport around 835 AM EST.
  Port Allegany around 840 AM EST.
  Shinglehouse around 845 AM EST.

* This includes the following highways...
   Route 6 from east of Ludlow to Galeton.
   Route 219 from Brockport to near the Bradford Regional Airport.
   State Road 46 from Smethport to Farmers Valley.
   State Road 59 from the Bradford Regional Airport to Smethport.
   State Road 66 from Russell City to Kane.
   State Road 120 from Ridgway to east of Driftwood.
   State Road 255 from north of Penfield to Johnsonburg.
   State Road 446 from Farmers Valley to the New York border.

SAFETY INFO...
Use extra caution if you must travel into or through this squall.
Rapid changes in visibility and potentially slick roads may lead to
accidents.

Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time to reach your destination.

&&

LAT...LON 4200 7761 4150 7760 4148 7763 4147 7799
      4137 7799 4122 7810 4125 7864 4122 7865
      4120 7871 4126 7874 4137 7896 4134 7909
      4141 7910 4145 7906 4144 7896 4168 7894
      4200 7848
TIME...MOT...LOC 1315Z 267DEG 57KT 4232 7818 4187 7882 4154 7952 4121
7996

Colbert

Special weather statement, Feb 19, 8:23 AM EST, 1 hour 58 minutes before

Special Weather Statement
National Weather Service State College PA
823 AM EST Sat Feb 19 2022

PAZ033-034-191430-
Bedford PA-Somerset PA-
823 AM EST Sat Feb 19 2022

...A BAND OF HEAVY SNOW WILL AFFECT PARTS OF BEDFORD AND SOMERSET
COUNTIES...

HAZARDS...A band of heavy snow which can rapidly reduce visibility to
about a quarter of a mile.

LOCATION AND MOVEMENT...At 823 AM EST, a band of heavy snow was along
a line extending from near Windber to near Bittinger and moving
southeast at 35 MPH.

THIS BAND OF HEAVY SNOW WILL BE NEAR...
  Blue Knob State Park and Ogletown around 830 AM EST.
  Queen around 835 AM EST.
  St. Clairsville and Osterburg around 840 AM EST.
  Cessna around 845 AM EST.
  New Enterprise around 850 AM EST.
  Everett and Coaldale around 905 AM EST.

* This includes the following Interstates...
   Interstate 70 from mile markers 147 to 150.
   The Pennsylvania Turnpike from mile markers 101 to 165.
   Interstate 99 from mile markers 0 to 14.

This includes the following highways...
 Route 30 from the Westmoreland county line to east of Breezewood.
 Route 40 from Somerfield to Addison.
 Route 219 from the Maryland border to south of Geistown.
 Route 220 from the Maryland border to near King on I-99.

SAFETY INFO...
Use extra caution if you must travel into or through this band of
heavy snow. Rapid changes in visibility and potentially slick roads
may lead to accidents.

Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time to reach your destination.

&&

LAT...LON 3973 7941 3978 7939 3978 7935 3985 7942
      3990 7940 4029 7905 4028 7893 4024 7886
      4024 7866 4033 7862 4025 7845 4030 7843
      4025 7829 4030 7826 4023 7824 4017 7813
      4009 7820 4005 7818 3983 7829 3972 7838
TIME...MOT...LOC 1323Z 297DEG 29KT 4023 7867 3963 7934

Colbert

Special weather statement, Feb 19, 9:51 AM EST, 30 minutes before

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The office that day

Everything else NWS State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 19, 7:10 AM EST	Special Weather Statement	CTP	Clinton, Lycoming, Tioga	80 min
Feb 19, 7:23 AM EST	Special Weather Statement	CTP	Cambria, Clearfield	67 min
Feb 19, 7:37 AM EST	Special Weather Statement	CTP	Warren	53 min
Feb 19, 8:18 AM EST	Special Weather Statement	CTP	Cameron, Elk, McKean, Potter	87 min
Feb 19, 8:23 AM EST	Special Weather Statement	CTP	Bedford, Somerset	67 min
Feb 19, 8:47 AM EST	Snow Squall Warning	CTP	Cameron, Elk, McKean, Potter	88 min
Feb 19, 9:00 AM EST	Snow Squall Warning	CTP	Clearfield	90 min
Feb 19, 9:34 AM EST	Snow Squall Warning	CTP	Tioga	56 min
Feb 19, 9:51 AM EST	Special Weather Statement	CTP	Clinton	69 min
Feb 19, 10:38 AM EST	Snow Squall Warning	CTP	Lycoming, Tioga	52 min
Feb 19, 11:02 AM EST	Snow Squall Warning	CTP	Bedford, Blair, Centre, Clinton, Fulton, Huntingdon and 9 more	73 min
Feb 19, 11:18 AM EST	Snow Squall Warning	CTP	Lycoming, Tioga	7 min
Feb 19, 12:00 PM EST	Snow Squall Warning	CTP	Bedford, Columbia, Cumberland, Dauphin, Franklin, Fulton and 6 more	75 min
Feb 19, 12:43 PM EST	Special Weather Statement	CTP	Adams, Lancaster, Lebanon, York	92 min

Nearby

Snow Squall Warnings in Pennsylvania, 2022 Every 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.