Alert archive / New York / Lake Effect Snow Advisories in 2007

Lake Effect Snow Advisory 6, NWS Buffalo, NY

January 25, 20079 counties in New York

NWS Buffalo, NY issued this lake effect snow advisory at Jan 25, 2007, 3:01 AM EST for 9 counties in New York. It took effect at Jan 25, 2007, 4:00 PM EST. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: Jan 25, 2007, 3:01 AM EST (08:01 UTC)
In effect from: Jan 25, 2007, 4:00 PM EST
Expired: Jan 26, 2007, 10:52 AM EST
In force: 19 hr
Issued by: NWS Buffalo, NY

Counties Cayuga County, NY, Chautauqua County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 89 km from the middle of the area, began a volume at 08:07 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, 8.0 hours before the alert went out and 312 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 924 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: -49 m²/s²
0-3 km storm-relative helicity: 40 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 lake effect snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this lake effect snow advisory went out at Jan 25, 2:57 AM EST, 4 minutes earlier.

Area forecast discussion, Jan 25, 2:57 AM EST, 4 minutes before

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Hazardous weather outlook, Jan 24, 3:59 PM EST, 11 hours 2 minutes before

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The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 25, 3:01 AM EST	Wind Chill Advisory	BUF	Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more	32 hr
Jan 25, 3:46 PM EST	Lake Effect Snow Warning	BUF	Cayuga, Monroe, Oswego, Wayne	19 hr

Nearby

Lake Effect Snow Advisories in New York, 2007 Every lake effect 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.