Alert archive / Nebraska / Winter Weather Advisories in 2016

Winter Weather Advisory 4, NWS North Platte, NE

March 29, 20164 counties in Nebraska

NWS North Platte, NE issued this winter weather advisory at Mar 29, 2016, 2:17 PM MDT for 4 counties in Nebraska. It took effect at Mar 30, 2016, 6:00 AM MDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Mar 29, 2016, 2:17 PM MDT (20:17 UTC)
In effect from: Mar 30, 2016, 6:00 AM MDT
Expired: Mar 30, 2016, 9:31 PM MDT
In force: 16 hr
Issued by: NWS North Platte, NE

Counties Cherry County, NE, Garden County, NE, Grant County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 111 km from the middle of the area, began a volume at 20:18 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.3 hours before the alert went out and 156 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: 1546 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 415 m²/s²
0-3 km storm-relative helicity: 458 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 North Platte, NE wrote its last area forecast discussion before this winter weather advisory went out at Mar 29, 11:05 AM MDT, 3 hours 12 minutes earlier.

Area forecast discussion, Mar 29, 11:05 AM MDT, 3 hours 12 minutes before

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Hazardous weather outlook, Mar 29, 10:19 AM MDT, 3 hours 58 minutes before

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</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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 5:41 PM MDT	Special Weather Statement	LBF	Keith	49 min
Mar 29, 5:48 PM MDT	Special Weather Statement	LBF	Keith	42 min

Nearby

Winter Weather Advisories in Nebraska, 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.