Alert archive / Pennsylvania / Snow Squall Warnings in 2018

Snow Squall Warning 15, NWS Binghamton, NY

November 21, 2018Lackawanna County, Luzerne County, Pennsylvania

NWS Binghamton, NY issued this snow squall warning at Nov 21, 2018, 4:51 PM EST for Lackawanna County, Luzerne County, Pennsylvania. It was in force for 24 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: Nov 21, 2018, 4:51 PM EST (21:51 UTC)
Expired: Nov 21, 2018, 5:15 PM EST
In force: 24 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon

Counties Lackawanna County, PA, Luzerne County, PA

The radar

The Binghamton radar (KBGM), 100 km from the middle of the area, began a volume at 21:55 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

Albany, NY (KALY), launched 12:00Z, 9.9 hours before the alert went out and 224 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: 973 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: 303 m²/s²
0-3 km storm-relative helicity: 285 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 Binghamton, NY wrote its last area forecast discussion before this snow squall warning went out at Nov 21, 3:01 PM EST, 1 hour 50 minutes earlier.

Area forecast discussion, Nov 21, 3:01 PM EST, 1 hour 50 minutes before

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Hazardous weather outlook, Nov 21, 4:40 PM EST, 11 minutes before

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The office that day

Everything else NWS Binghamton, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 21, 3:31 AM EST	Wind Chill Advisory	BGM	Delaware, Oneida, Otsego, Sullivan	32 hr
Nov 21, 9:54 AM EST	Snow Squall Warning	BGM	Madison, Oneida, Onondaga	66 min
Nov 21, 10:50 AM EST	Snow Squall Warning	BGM	Cayuga, Madison, Oneida, Onondaga	55 min
Nov 21, 11:35 AM EST	Snow Squall Warning	BGM	Cayuga, Cortland, Madison, Oneida, Onondaga	55 min
Nov 21, 12:07 PM EST	Snow Squall Warning	BGM	Cayuga, Chenango, Cortland, Madison, Oneida, Otsego and 1 more	53 min
Nov 21, 12:26 PM EST	Snow Squall Warning	BGM	Broome, Chenango, Delaware, Otsego, Tioga, Tompkins	64 min
Nov 21, 2:20 PM EST	Snow Squall Warning	BGM	Broome, Delaware, Sullivan, Tioga	55 min
Nov 21, 2:52 PM EST	Snow Squall Warning	BGM	Delaware, Sullivan	68 min
Nov 21, 3:45 PM EST	Snow Squall Warning	BGM	Sullivan	60 min

Nearby

Snow Squall Warnings in Pennsylvania, 2018 Every snow squall warning in 2018

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.