Alert archive / Vermont / Snow Squall Warnings in 2019

Snow Squall Warning 2, NWS Burlington, VT

January 27, 20196 counties in Vermont; Clinton County, Essex County, New York

NWS Burlington, VT issued this snow squall warning at Jan 27, 2019, 2:05 PM EST for 6 counties in Vermont; Clinton County, Essex County, New York. It was in force for 55 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: Jan 27, 2019, 2:05 PM EST (19:05 UTC)
Expired: Jan 27, 2019, 3:00 PM EST
In force: 55 min
Issued by: NWS Burlington, VT
Area: Storm-based polygon

Counties Clinton County, NY, Essex County, NY, Addison County, VT, Chittenden County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Orleans County, VT

The radar

The Burlington radar (KCXX), 7 km from the middle of the area, began a volume at 19:09 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, 7.1 hours before the alert went out and 216 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: 928 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: 510 m²/s²
0-3 km storm-relative helicity: 641 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 Burlington, VT wrote its last area forecast discussion before this snow squall warning went out at Jan 27, 1:06 PM EST, 59 minutes earlier.

Area forecast discussion, Jan 27, 1:06 PM EST, 59 minutes before

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Hazardous weather outlook, Jan 27, 4:29 AM EST, 9 hours 36 minutes before

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In the hours before

Special weather statement, Jan 27, 9:34 AM EST, 4 hours 31 minutes before

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Special weather statement, Jan 27, 10:30 AM EST, 3 hours 35 minutes before

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Special weather statement, Jan 27, 12:12 PM EST, 1 hour 53 minutes before

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The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 27, 1:06 PM EST	Snow Squall Warning	BTV	Chittenden, Franklin, Grand Isle	54 min
Jan 27, 2:56 PM EST	Snow Squall Warning	BTV	Addison, Chittenden, Franklin, Lamoille, Orleans, Rutland and 1 more	64 min
Jan 27, 3:13 AM EST	Wind Advisory	BTV	Franklin, St. Lawrence	11 hr
Jan 27, 9:34 AM EST	Special Weather Statement	BTV	St. Lawrence	41 min
Jan 27, 10:30 AM EST	Special Weather Statement	BTV	St. Lawrence	60 min
Jan 27, 12:12 PM EST	Special Weather Statement	BTV	Clinton	63 min

Nearby

Snow Squall Warnings in Vermont, 2019 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.