Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 47, NWS Hastings, NE

June 20, 1997Dawson County, Phelps County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 20, 1997, 12:02 AM CDT for Dawson County, Phelps County, Nebraska. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 20, 1997, 12:02 AM CDT (05:02 UTC)
Expired: Jun 20, 1997, 12:30 AM CDT
In force: 28 min
Issued by: NWS Hastings, NE
Area: Whole counties

Counties Dawson County, NE, Phelps County, NE

The radar

The Grand Island radar (KUEX), 108 km from the middle of the area, began a volume at 05:03 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 00:00Z, 5.0 hours before the alert went out and 96 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: 275 J/kg
Mixed-layer CIN: -121 J/kg
Mixed-layer LCL: 3064 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 2:43 PM CDT, 9 hours 19 minutes earlier.

Area forecast discussion, Jun 19, 2:43 PM CDT, 9 hours 19 minutes before

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In the hours before

Special weather statement, Jun 19, 9:32 PM CDT, 2 hours 30 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 11:28 PM CDT	Severe Thunderstorm Warning	GID	Dawson, Gosper	32 min
Jun 20, 3:44 AM CDT	Severe Thunderstorm Warning	GID	Buffalo	31 min
Jun 20, 4:16 AM CDT	Severe Thunderstorm Warning	GID	Hall	14 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1997 Every severe thunderstorm warning in 1997

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.