Alert archive / Nebraska / Winter Storm Watches in 2015

Winter Storm Watch 4, NWS North Platte, NE

November 16, 20158 counties in Nebraska

NWS North Platte, NE issued this winter storm watch at Nov 16, 2015, 2:59 AM MST for 8 counties in Nebraska. It took effect at Nov 17, 2015, 5:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued: Nov 16, 2015, 2:59 AM MST (09:59 UTC)
In effect from: Nov 17, 2015, 5:00 AM MST
Expired: Nov 16, 2015, 1:43 PM MST
In force
Issued by: NWS North Platte, NE

Counties Arthur County, NE, Chase County, NE, Deuel County, NE, Grant County, NE, Hooker County, NE, Keith County, NE, McPherson County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 111 km from the middle of the area, began a volume at 10:01 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

Denver, CO (KDEN), launched 00:00Z, 10.0 hours before the alert went out and 212 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: 3456 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 96 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 storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS North Platte, NE wrote its last area forecast discussion before this winter storm watch went out at Nov 15, 10:40 PM MST, 4 hours 19 minutes earlier.

Area forecast discussion, Nov 15, 10:40 PM MST, 4 hours 19 minutes before

<!doctype html>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Nov 15, 2:21 PM MST, 12 hours 38 minutes before

<!doctype html>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 16, 2:43 AM MST	Dense Fog Advisory	LBF	Arthur, Deuel, Garden, Grant, Keith, Perkins	5 hr
Nov 16, 1:43 PM MST	Winter Storm Warning	LBF	Arthur, Chase, Deuel, Garden, Grant, Hooker and 3 more	25 hr
Nov 16, 1:43 PM MST	Winter Weather Advisory	LBF	Blaine, Brown, Cherry, Custer, Frontier, Hayes and 4 more	37 hr
Nov 16, 2:27 PM MST	Special Weather Statement	LBF	Hayes	48 min
Nov 16, 4:10 PM MST	Special Weather Statement	LBF	Frontier	50 min
Nov 16, 4:41 PM MST	Severe Thunderstorm Warning	LBF	Frontier	49 min

Nearby

Winter Storm Watches in Nebraska, 2015 Every winter storm watch in 2015

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.