Alert archive / New York / Winter Weather Advisories in 2014

Winter Weather Advisory 3, NWS Buffalo, NY

January 4, 2014Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this winter weather advisory at Jan 4, 2014, 3:42 PM EST for Jefferson County, Lewis County, New York. It took effect at Jan 5, 2014, 4:00 PM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jan 4, 2014, 3:42 PM EST (20:42 UTC)
In effect from: Jan 5, 2014, 4:00 PM EST
Expired: Jan 6, 2014, 1:00 AM EST
In force: 9 hr
Issued by: NWS Buffalo, NY

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 16 km from the middle of the area, began a volume at 20:40 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

Brookhaven, NY (KOKX), launched 12:00Z, 8.7 hours before the alert went out and 412 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: 1854 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 149 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 winter weather 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 winter weather advisory went out at Jan 4, 1:04 PM EST, 2 hours 38 minutes earlier.

Area forecast discussion, Jan 4, 1:04 PM EST, 2 hours 38 minutes before

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Hazardous weather outlook, Jan 4, 6:37 AM EST, 9 hours 5 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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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 4, 4:02 AM EST	Wind Chill Watch	BUF	Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more	49 hr
Jan 4, 4:04 AM EST	Gale Watch	BUF		24 hr
Jan 4, 3:50 PM EST	Heavy Freezing Spray Watch	BUF		12 hr

Nearby

Winter Weather Advisories in New York, 2014 Every winter weather 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.