Alert archive / Vermont / Winter Storm Warnings in 2009

Winter Storm Warning 5, NWS Albany, NY

February 21, 2009Washington County, New York; Bennington County, Windham County, Vermont; Berkshire County, Massachusetts

NWS Albany, NY issued this winter storm warning at Feb 21, 2009, 4:42 PM EST for Washington County, New York; Bennington County, Windham County, Vermont; Berkshire County, Massachusetts. It took effect at Feb 22, 2009, 7:00 AM EST. It was in force for 20 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 21, 2009, 4:42 PM EST (21:42 UTC)
In effect from: Feb 22, 2009, 7:00 AM EST
Expired: Feb 23, 2009, 3:26 AM EST
In force: 20 hr
Issued by: NWS Albany, NY

Counties Berkshire County, MA, Washington County, NY, Bennington County, VT, Windham County, VT

The radar

The Albany radar (KENX), 87 km from the middle of the area, began a volume at 21:44 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, 9.7 hours before the alert went out and 64 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: 581 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 156 m²/s²
0-3 km storm-relative helicity: 154 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 winter storm 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 winter storm warning went out at Feb 21, 4:37 PM EST, 5 minutes earlier.

Area forecast discussion, Feb 21, 4:37 PM EST, 5 minutes before

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Hazardous weather outlook, Feb 21, 5:21 AM EST, 11 hours 21 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
Feb 21, 4:07 AM EST	Winter Storm Watch	ALY	Columbia, Hamilton, Herkimer, Rensselaer, Saratoga, Warren and 1 more	13 hr
Feb 21, 4:42 PM EST	Winter Weather Advisory	ALY	Albany, Columbia, Dutchess, Fulton, Hamilton, Herkimer and 5 more	30 hr

Nearby

Winter Storm Warnings in Vermont, 2009 Winter Storm Warnings in New York, 2009 Winter Storm Warnings in Massachusetts, 2009 Every winter storm warning in 2009

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.