Alert archive / New York / Snow Squall Warnings in 2019

Snow Squall Warning 14, NWS Albany, NY

December 18, 2019Herkimer County, New York

NWS Albany, NY issued this snow squall warning at Dec 18, 2019, 2:00 PM EST for Herkimer County, New York. It was in force for 60 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: Dec 18, 2019, 2:00 PM EST (19:00 UTC)
Expired: Dec 18, 2019, 3:00 PM EST
In force: 60 min
Issued by: NWS Albany, NY
Area: Storm-based polygon

County Herkimer County, NY

The radar

The Ft Drum radar (KTYX), 69 km from the middle of the area, began a volume at 19:03 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, 7.0 hours before the alert went out and 123 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: 768 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: -80 m²/s²
0-3 km storm-relative helicity: -44 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 Albany, NY wrote its last area forecast discussion before this snow squall warning went out at Dec 18, 12:50 PM EST, 1 hour 10 minutes earlier.

Area forecast discussion, Dec 18, 12:50 PM EST, 1 hour 10 minutes before

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Hazardous weather outlook, Dec 18, 5:37 AM EST, 8 hours 23 minutes before

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In the hours before

Local storm report, Dec 18, 8:20 AM EST, 5 hours 40 minutes before

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Special weather statement, Dec 18, 9:41 AM EST, 4 hours 19 minutes before

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Special weather statement, Dec 18, 1:21 PM EST, 39 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 18, 4:10 AM EST	Wind Chill Advisory	ALY	Albany, Columbia, Fulton, Greene, Hamilton, Herkimer and 6 more	30 hr
Dec 18, 1:21 PM EST	Special Weather Statement	ALY	Columbia	39 min
Dec 18, 3:25 PM EST	Special Weather Statement	ALY	Fulton	65 min
Dec 18, 3:47 PM EST	Special Weather Statement	ALY	Fulton	28 min
Dec 18, 4:11 PM EST	Special Weather Statement	ALY	Fulton, Montgomery	34 min
Dec 18, 4:46 PM EST	Special Weather Statement	ALY	Schenectady	29 min
Dec 18, 5:07 PM EST	Snow Squall Warning	ALY	Albany, Rensselaer, Saratoga, Schenectady	23 min
Dec 18, 5:28 PM EST	Special Weather Statement	ALY	Albany, Schoharie	32 min
Dec 18, 6:30 PM EST	Special Weather Statement	ALY	Albany	30 min
Dec 18, 6:40 PM EST	Snow Squall Warning	ALY	Albany, Rensselaer	22 min

Nearby

Snow Squall Warnings in New York, 2019 Every snow squall warning in 2019

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.