Alert archive / Vermont / Snow Advisories in 2008

Snow Advisory 3, NWS Burlington, VT

February 9, 200811 counties in Vermont; 4 counties in New York

NWS Burlington, VT issued this snow advisory at Feb 9, 2008, 3:37 AM EST for 11 counties in Vermont; 4 counties in New York. It took effect at Feb 9, 2008, 1:00 PM EST. It was in force for 39 hr.

The area

The counties it named.

The facts

Issued: Feb 9, 2008, 3:37 AM EST (08:37 UTC)
In effect from: Feb 9, 2008, 1:00 PM EST
Expired: Feb 11, 2008, 4:02 AM EST
In force: 39 hr
Issued by: NWS Burlington, VT

Counties Clinton County, NY, Essex County, NY, Franklin County, NY, St. Lawrence County, NY, Addison County, VT, Caledonia County, VT, Chittenden County, VT, Essex County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Orange County, VT, Orleans County, VT, Rutland County, VT, Washington County, VT

The radar

The Burlington radar (KCXX), 11 km from the middle of the area, began a volume at 08:40 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 00:00Z, 8.6 hours before the alert went out and 204 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: 784 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 66 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 advisory 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 advisory went out at Feb 9, 1:06 AM EST, 2 hours 31 minutes earlier.

Area forecast discussion, Feb 9, 1:06 AM EST, 2 hours 31 minutes before

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Hazardous weather outlook, Feb 8, 3:41 AM EST, 23 hours 56 minutes before

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In the hours before

Special weather statement, Feb 9, 2:36 AM EST, 1 hour 1 minute before

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Nearby

Snow Advisories in Vermont, 2008 Snow Advisories in New York, 2008 Every snow advisory in 2008

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.