Alert archive / Vermont / Snow Squall Warnings in 2019

Snow Squall Warning 7, NWS Burlington, VT

January 30, 20198 counties in Vermont

NWS Burlington, VT issued this snow squall warning at Jan 30, 2019, 5:14 PM EST for 8 counties in Vermont. It was in force for 61 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, 5:14 PM EST (22:14 UTC)
Expired: Jan 30, 2019, 6:15 PM EST
In force: 61 min
Issued by: NWS Burlington, VT
Area: Storm-based polygon

Counties Addison County, VT, Caledonia County, VT, Chittenden County, VT, Franklin County, VT, Lamoille County, VT, Orange County, VT, Orleans County, VT, Washington County, VT

The radar

The Burlington radar (KCXX), 43 km from the middle of the area, began a volume at 22:15 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, 10.2 hours before the alert went out and 217 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, 1 hour 42 minutes earlier.

Area forecast discussion, Jan 30, 3:32 PM EST, 1 hour 42 minutes before

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Hazardous weather outlook, Jan 30, 3:30 PM EST, 1 hour 44 minutes before

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In the hours before

Local storm report, Jan 30, 11:14 AM EST, 6 hours before

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Local storm report, Jan 30, 11:22 AM EST, 5 hours 52 minutes before

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Local storm report, Jan 30, 11:33 AM EST, 5 hours 41 minutes before

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Local storm report, Jan 30, 2:18 PM EST, 2 hours 56 minutes before

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Special weather statement, Jan 30, 2:52 PM EST, 2 hours 22 minutes before

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Special weather statement, Jan 30, 3:25 PM EST, 1 hour 49 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, 4:02 PM EST	Snow Squall Warning	BTV	Addison, Chittenden, Franklin, Grand Isle	28 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, 5:25 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 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.