Alert archive / Nebraska / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 174, NWS Omaha, NE

August 3, 2015Richardson County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Aug 3, 2015, 11:20 AM CDT for Richardson County, Nebraska. It was in force for 25 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: Aug 3, 2015, 11:20 AM CDT (16:20 UTC)
Expired: Aug 3, 2015, 11:45 AM CDT
In force: 25 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Richardson County, NE

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 4.3 hours before the alert went out and 125 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: 1102 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1279 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.9

Open this sounding in Storm Lab

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 Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 2, 6:17 PM CDT, 17 hours 3 minutes earlier.

Area forecast discussion, Aug 2, 6:17 PM CDT, 17 hours 3 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, Aug 2, 6:31 PM CDT, 16 hours 49 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 Omaha, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 2, 7:35 PM CDT	Special Weather Statement	OAX	Saunders	25 min
Aug 2, 7:43 PM CDT	Severe Thunderstorm Warning	OAX	Saunders	34 min
Aug 2, 7:54 PM CDT	Special Weather Statement	OAX	Boone	51 min
Aug 2, 7:58 PM CDT	Severe Thunderstorm Warning	OAX	Boone	21 min
Aug 2, 8:26 PM CDT	Special Weather Statement	OAX	Platte	49 min
Aug 2, 8:33 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Platte	27 min
Aug 3, 11:07 AM CDT	Special Weather Statement	OAX	Richardson	38 min
Aug 2, 7:30 PM CDT	Special Weather Statement	OAX	Mills	60 min
Aug 2, 10:08 PM CDT	Special Weather Statement	OAX	Montgomery	37 min
Aug 2, 10:53 PM CDT	Special Weather Statement	OAX	Page	52 min
Aug 2, 10:59 PM CDT	Severe Thunderstorm Warning	OAX	Page	46 min
Aug 2, 11:40 PM CDT	Severe Thunderstorm Warning	OAX	Page	35 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2015 Every severe thunderstorm warning 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.