Alert archive / New York / Lake Effect Snow Warnings in 2013

Lake Effect Snow Warning 8, NWS Buffalo, NY

October 22, 2013Lewis County, New York

NWS Buffalo, NY issued this lake effect snow warning at Oct 22, 2013, 4:00 PM EDT for Lewis County, New York. It took effect at Oct 24, 2013, 2:00 AM EDT. It was in force for 12 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: Oct 22, 2013, 4:00 PM EDT (20:00 UTC)
In effect from: Oct 24, 2013, 2:00 AM EDT
Expired: Oct 24, 2013, 1:48 PM EDT
In force: 12 hr
Issued by: NWS Buffalo, NY

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 19 km from the middle of the area, began a volume at 19:59 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, 8.0 hours before the alert went out and 179 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: 1126 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 199 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 warning 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 warning went out at Oct 22, 2:28 PM EDT, 1 hour 32 minutes earlier.

Area forecast discussion, Oct 22, 2:28 PM EDT, 1 hour 32 minutes before

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Hazardous weather outlook, Oct 22, 5:00 AM EDT, 11 hours 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
Oct 22, 4:45 AM EDT	Lake Effect Snow Watch	BUF	Lewis	11 hr
Oct 22, 4:02 PM EDT	Freeze Watch	BUF	Cayuga, Genesee, Livingston, Monroe, Ontario, Orleans and 1 more	12 hr

Nearby

Lake Effect Snow Warnings in New York, 2013 Every lake effect snow warning in 2013

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.