Alert archive / New York / Winter Weather Advisories in 2016

Winter Weather Advisory 25, NWS Buffalo, NY

December 31, 2016Jefferson County, Lewis County, Oswego County, New York

NWS Buffalo, NY issued this winter weather advisory at Dec 31, 2016, 4:10 AM EST for Jefferson County, Lewis County, Oswego County, New York. It took effect at Dec 31, 2016, 1:00 PM EST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Dec 31, 2016, 4:10 AM EST (09:10 UTC)
In effect from: Dec 31, 2016, 1:00 PM EST
Expired: Jan 1, 2017, 3:36 AM EST
In force: 15 hr
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 09:11 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, 9.2 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: 791 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 185 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 Dec 31, 1:31 AM EST, 2 hours 39 minutes earlier.

Area forecast discussion, Dec 31, 1:31 AM EST, 2 hours 39 minutes before

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Hazardous weather outlook, Dec 31, 2:18 AM EST, 1 hour 52 minutes before

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In the hours before

Local storm report, Dec 30, 11:50 PM EST, 4 hours 20 minutes before

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Local storm report, Dec 30, 11:51 PM EST, 4 hours 19 minutes before

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Local storm report, Dec 30, 11:54 PM EST, 4 hours 16 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
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Local storm report, Dec 31, 12:14 AM EST, 3 hours 56 minutes before

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<body>
  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
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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, 8:01 PM EST	Special Weather Statement	BUF	Wayne	119 min

Nearby

Winter Weather Advisories in New York, 2016 Every winter weather advisory in 2016

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.