Alert archive / New York / Snow Advisories in 2007

Snow Advisory 4, NWS Albany, NY

December 12, 200713 counties in New York; Bennington County, Windham County, Vermont; Berkshire County, Massachusetts

NWS Albany, NY issued this snow advisory at Dec 12, 2007, 12:24 PM EST for 13 counties in New York; Bennington County, Windham County, Vermont; Berkshire County, Massachusetts. It took effect at Dec 13, 2007, 10:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Dec 12, 2007, 12:24 PM EST (17:24 UTC)
In effect from: Dec 13, 2007, 10:00 AM EST
Expired: Dec 13, 2007, 7:55 PM EST
In force: 10 hr
Issued by: NWS Albany, NY

Counties Berkshire County, MA, Albany County, NY, Columbia County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Montgomery County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Warren County, NY, Washington County, NY, Bennington County, VT, Windham County, VT

The radar

The Albany radar (KENX), 40 km from the middle of the area, began a volume at 17:21 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, 5.4 hours before the alert went out and 26 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: 605 m above ground
0-6 km bulk shear: 115 kt
0-1 km storm-relative helicity: -127 m²/s²
0-3 km storm-relative helicity: -89 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 Albany, NY wrote its last area forecast discussion before this snow advisory went out at Dec 12, 12:01 PM EST, 23 minutes earlier.

Area forecast discussion, Dec 12, 12:01 PM EST, 23 minutes before

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Hazardous weather outlook, Dec 12, 6:16 AM EST, 6 hours 8 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
Dec 12, 3:21 AM EST	Winter Storm Watch	ALY	Dutchess, Ulster	9 hr
Dec 12, 12:24 PM EST	Heavy Snow Warning	ALY	Albany, Columbia, Dutchess, Greene, Rensselaer, Schoharie and 1 more	32 hr

Nearby

Snow Advisories in New York, 2007 Snow Advisories in Vermont, 2007 Snow Advisories in Massachusetts, 2007 Every snow advisory in 2007

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.