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

Lake Effect Snow Watch 10, NWS Buffalo, NY

December 29, 2014Jefferson County, Lewis County, Oswego County, New York

NWS Buffalo, NY issued this lake effect snow watch at Dec 29, 2014, 9:56 PM EST for Jefferson County, Lewis County, Oswego County, New York. It took effect at Dec 30, 2014, 9:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued: Dec 29, 2014, 9:56 PM EST (02:56 UTC)
In effect from: Dec 30, 2014, 9:00 PM EST
Expired: Dec 30, 2014, 4:02 AM EST
In force
Issued by: NWS Buffalo, NY

Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 18 km from the middle of the area, began a volume at 02:59 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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 2.9 hours before the alert went out and 244 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: 803 m above ground
0-6 km bulk shear: 99 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 33 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 watch 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 watch went out at Dec 29, 6:45 PM EST, 3 hours 11 minutes earlier.

Area forecast discussion, Dec 29, 6:45 PM EST, 3 hours 11 minutes before

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Hazardous weather outlook, Dec 29, 9:35 AM EST, 12 hours 21 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
Dec 30, 3:56 AM EST	Small Craft Advisory	BUF		66 hr
Dec 30, 4:02 AM EST	Lake Effect Snow Warning	BUF	Erie, Genesee, Jefferson, Lewis, Oswego, Wyoming	3 days
Dec 30, 9:14 AM EST	Special Weather Statement	BUF	Niagara	91 min
Dec 30, 10:45 AM EST	Special Weather Statement	BUF	Genesee, Niagara, Orleans	45 min
Dec 30, 11:51 AM EST	Special Weather Statement	BUF	Genesee, Niagara	39 min
Dec 30, 12:31 PM EST	Special Weather Statement	BUF	Genesee, Niagara	44 min
Dec 30, 12:35 PM EST	Gale Watch	BUF		9 hr
Dec 30, 1:03 PM EST	Lake Effect Snow Watch	BUF	Erie, Genesee, Wyoming	15 hr

Nearby

Lake Effect Snow Watches in New York, 2014 Every lake effect snow watch 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.