Alert archive / New York / Lake Effect Snow Advisories in 2014

Lake Effect Snow Advisory 22, NWS Buffalo, NY

November 19, 20146 counties in New York

NWS Buffalo, NY issued this lake effect snow advisory at Nov 19, 2014, 3:31 PM EST for 6 counties in New York. It took effect at Nov 20, 2014, 12:00 AM EST. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued: Nov 19, 2014, 3:31 PM EST (20:31 UTC)
In effect from: Nov 20, 2014, 12:00 AM EST
Expired: Nov 21, 2014, 3:52 PM EST
In force: 40 hr
Issued by: NWS Buffalo, NY

Counties Allegany County, NY, Cayuga County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 111 km from the middle of the area, began a volume at 20:32 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.5 hours before the alert went out and 108 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: 657 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 128 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 Nov 19, 1:17 PM EST, 2 hours 14 minutes earlier.

Area forecast discussion, Nov 19, 1:17 PM EST, 2 hours 14 minutes before

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Hazardous weather outlook, Nov 19, 12:31 PM EST, 3 hours before

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In the hours before

Special weather statement, Nov 19, 12:39 PM EST, 2 hours 52 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
Nov 19, 12:31 AM EST	Special Weather Statement	BUF	Lewis	59 min
Nov 19, 1:36 AM EST	Special Weather Statement	BUF	Erie	54 min
Nov 19, 4:32 AM EST	Special Weather Statement	BUF	Erie	58 min
Nov 19, 4:51 AM EST	Special Weather Statement	BUF	Lewis	54 min
Nov 19, 6:51 AM EST	Special Weather Statement	BUF	Erie	54 min
Nov 19, 7:39 AM EST	Special Weather Statement	BUF	Niagara	51 min
Nov 19, 7:47 AM EST	Special Weather Statement	BUF	Jefferson, Lewis	58 min
Nov 19, 9:44 AM EST	Lake Effect Snow Advisory	BUF	Niagara	6 hr
Nov 19, 3:39 PM EST	Gale Warning	BUF		27 hr

Nearby

Lake Effect Snow Advisories in New York, 2014 Every lake effect snow advisory in 2014

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.