Alert archive / Vermont / Snow Squall Warnings in 2019

Snow Squall Warning 4, NWS Burlington, VT

January 30, 20194 counties in Vermont; Clinton County, Essex County, New York

NWS Burlington, VT issued this snow squall warning at Jan 30, 2019, 4:02 PM EST for 4 counties in Vermont; Clinton County, Essex County, New York. It was in force for 28 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 30, 2019, 4:02 PM EST (21:02 UTC)
Expired: Jan 30, 2019, 4:30 PM EST
In force: 28 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

The radar

The Burlington radar (KCXX), 12 km from the middle of the area, began a volume at 21:04 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, 9.0 hours before the alert went out and 206 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: 1474 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: -299 m²/s²
0-3 km storm-relative helicity: -32 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 30, 3:32 PM EST, 30 minutes earlier.

Area forecast discussion, Jan 30, 3:32 PM EST, 30 minutes before

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Hazardous weather outlook, Jan 30, 3:30 PM EST, 32 minutes before

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In the hours before

Local storm report, Jan 30, 11:14 AM EST, 4 hours 48 minutes before

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Local storm report, Jan 30, 11:22 AM EST, 4 hours 40 minutes before

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Local storm report, Jan 30, 11:33 AM EST, 4 hours 29 minutes before

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Local storm report, Jan 30, 2:18 PM EST, 1 hour 44 minutes before

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Special weather statement, Jan 30, 2:52 PM EST, 1 hour 10 minutes before

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Special weather statement, Jan 30, 3:25 PM EST, 37 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 30, 3:41 AM EST	Wind Chill Warning	BTV	Addison, Essex, Rutland	32 hr
Jan 30, 3:41 AM EST	Wind Chill Advisory	BTV	Addison, Caledonia, Chittenden, Franklin, Grand Isle, Lamoille and 4 more	32 hr
Jan 30, 3:25 PM EST	Special Weather Statement	BTV	Chittenden, Franklin, Grand Isle	35 min
Jan 30, 4:28 PM EST	Snow Squall Warning	BTV	Addison, Chittenden, Franklin, Grand Isle, Lamoille, Rutland and 2 more	32 min
Jan 30, 4:55 PM EST	Snow Squall Warning	BTV	Addison, Chittenden, Franklin, Grand Isle, Lamoille, Orange and 3 more	35 min
Jan 30, 5:14 PM EST	Snow Squall Warning	BTV	Addison, Caledonia, Chittenden, Franklin, Lamoille, Orange and 2 more	61 min
Jan 30, 5:25 PM EST	Snow Squall Warning	BTV	Addison, Orange, Rutland, Washington, Windsor	50 min
Jan 30, 6:12 PM EST	Special Weather Statement	BTV	Caledonia, Essex, Orleans	63 min
Jan 30, 3:41 AM EST	Winter Weather Advisory	BTV	St. Lawrence	42 hr
Jan 30, 2:52 PM EST	Special Weather Statement	BTV	Clinton, Franklin	23 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.