Alert archive / New York / Winter Weather Advisories in 2021

Winter Weather Advisory 3, NWS Albany, NY

January 15, 20214 counties in New York; Berkshire County, Massachusetts

NWS Albany, NY issued this winter weather advisory at Jan 15, 2021, 3:44 PM EST for 4 counties in New York; Berkshire County, Massachusetts. It took effect at Jan 15, 2021, 7:00 PM EST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jan 15, 2021, 3:44 PM EST (20:44 UTC)
In effect from
Jan 15, 2021, 7:00 PM EST
Expired
Jan 16, 2021, 12:44 PM EST
In force
18 hr
Issued by
NWS Albany, NY

Counties Berkshire County, MA, Greene County, NY, Saratoga County, NY, Ulster County, NY, Warren County, NY

The radar

The Albany radar (KENX), 18 km from the middle of the area, began a volume at 20:48 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, 8.7 hours before the alert went out and 6 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2021-01-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2021-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
787 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
39 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 Albany, NY wrote its last area forecast discussion before this winter weather advisory went out at Jan 15, 1:15 PM EST, 2 hours 29 minutes earlier.

Area forecast discussion, Jan 15, 1:15 PM EST, 2 hours 29 minutes before
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Hazardous weather outlook, Jan 15, 4:15 AM EST, 11 hours 29 minutes before
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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <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.
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    </section>
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The office that day

Everything else NWS Albany, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 15, 3:44 PM ESTWinter Storm WarningALYFulton, Hamilton, Herkimer, Warren44 hr

Nearby

Winter Weather Advisories in New York, 2021Winter Weather Advisories in Massachusetts, 2021Every winter weather advisory in 2021

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.