Alert archive / Pennsylvania / Snow Squall Warnings in 2022

Snow Squall Warning 21, NWS State College, PA

March 28, 20229 counties in Pennsylvania

NWS State College, PA issued this snow squall warning at Mar 28, 2022, 2:27 PM EDT for 9 counties in Pennsylvania. It was in force for 48 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, 2:27 PM EDT (18:27 UTC)
Expired
Mar 28, 2022, 3:15 PM EDT
In force
48 min
Issued by
NWS State College, PA
Area
Storm-based polygon

Counties Centre County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Lycoming County, PA, Montour County, PA, Northumberland County, PA, Sullivan County, PA, Union County, PA

The radar

The State College radar (KCCX), 79 km from the middle of the area, began a volume at 18:26 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, 6.5 hours before the alert went out and 229 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2022-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2022-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
3 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

089 
WWUS51 KCTP 281827
SQWCTP

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service State College PA
227 PM EDT Mon Mar 28 2022

PAC027-033-035-037-081-093-097-113-119-281915-
/O.NEW.KCTP.SQ.W.0021.220328T1827Z-220328T1915Z/
Centre PA-Clearfield PA-Clinton PA-Columbia PA-Lycoming PA-
Montour PA-Northumberland PA-Sullivan PA-Union PA-
227 PM EDT Mon Mar 28 2022

The National Weather Service in State College PA has issued a

* Snow Squall Warning for...
  Central Centre County in central Pennsylvania...
  Northeastern Clearfield County in central Pennsylvania...
  Southern Clinton County in north central Pennsylvania...
  Northwestern Columbia County in central Pennsylvania...
  Southern Lycoming County in north central Pennsylvania...
  Northwestern Montour County in central Pennsylvania...
  Northwestern Northumberland County in central Pennsylvania...
  Sullivan County in north central Pennsylvania...
  Northeastern Union County in central Pennsylvania...

* Until 315 PM EDT.

* At 225 PM EDT, a dangerous snow squall was located along a line
  extending from S.B. Elliot State Park to Lecontes Mills to near
  Clarence to Waterville to Barbours to near Sugar Run, moving
  southeast at 25 mph.

  HAZARD...Extremely poor visibility in snow and blowing snow. Wind 
           gusts up to 30 mph.

  SOURCE...Radar indicated.

  IMPACT...Expect hazardous road conditions.

For those driving on Interstate 80, this includes areas between the
Dubois Route 255 and Limestoneville exits, specifically from mile
markers 110 to 214.

This includes Interstate 180 from mile markers 1 to 29.

Locations impacted include...
Williamsport, Lock Haven, Milton, Clearfield, Montoursville, Jersey
Shore, Laporte, Carroll, Woodland, Lamar, Muncy and Watsontown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider avoiding or delaying travel until the snow squall passes
your location. If you must travel, use extra caution and allow extra
time. Rapid changes in visibility and slick road conditions may lead
to accidents.


&&

LAT...LON 4131 7631 4119 7632 4112 7650 4100 7688
      4093 7790 4097 7844 4118 7860 4115 7822
      4118 7791 4143 7686 4155 7650 4152 7622
TIME...MOT...LOC 1825Z 318DEG 22KT 4113 7847 4108 7820 4113 7788 4124
7739 4139 7682 4157 7630

$$

Lambert

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 9:59 AM EDTSpecial Weather StatementCTPLycoming, Sullivan, Tioga61 min
Mar 28, 10:21 AM EDTSpecial Weather StatementCTPCentre54 min
Mar 28, 10:28 AM EDTSpecial Weather StatementCTPMcKean, Potter, Warren92 min
Mar 28, 11:00 AM EDTSnow Squall WarningCTPCentre, Clearfield, Mifflin60 min
Mar 28, 11:51 AM EDTSnow Squall WarningCTPBlair, Centre, Clearfield, Dauphin, Huntingdon, Juniata and 3 more69 min
Mar 28, 11:53 AM EDTSnow Squall WarningCTPCameron, Clinton, Elk, Lycoming, McKean, Potter and 2 more52 min
Mar 28, 12:13 PM EDTSnow Squall WarningCTPDauphin, Lancaster, Lebanon, Northumberland, Schuylkill, Snyder and 1 more77 min
Mar 28, 12:30 PM EDTSnow Squall WarningCTPBedford, Blair, Cambria, Franklin, Fulton, Huntingdon and 1 more75 min
Mar 28, 12:44 PM EDTSnow Squall WarningCTPCameron, Centre, Clearfield, Clinton, Columbia, Elk and 6 more91 min
Mar 28, 12:48 PM EDTSnow Squall WarningCTPSchuylkill57 min
Mar 28, 1:10 PM EDTSnow Squall WarningCTPDauphin, Huntingdon, Juniata, Mifflin, Northumberland, Perry and 1 more50 min
Mar 28, 1:29 PM EDTSnow Squall WarningCTPNorthumberland, Schuylkill, Snyder, Union76 min
Mar 28, 1:44 PM EDTSnow Squall WarningCTPCumberland, Dauphin, Lancaster, Lebanon, Perry, York91 min
Mar 28, 1:50 PM EDTSnow Squall WarningCTPBedford, Franklin, Fulton, Somerset40 min
Mar 28, 2:00 PM EDTSnow Squall WarningCTPBlair, Cambria, Centre, Clearfield, Huntingdon, Mifflin and 2 more60 min
Mar 28, 2:44 PM EDTSnow Squall WarningCTPBedford, Franklin, Fulton, Somerset61 min
Mar 28, 3:06 PM EDTSnow Squall WarningCTPColumbia, Montour, Northumberland, Schuylkill, Snyder, Union69 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.