Alert archive / Iowa / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 160, NWS Omaha, NE

June 16, 20174 counties in Nebraska; 6 counties in Iowa

NWS Omaha, NE issued this severe thunderstorm warning at Jun 16, 2017, 8:43 PM CDT for 4 counties in Nebraska; 6 counties in Iowa. It was in force for 32 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 16, 2017, 8:43 PM CDT (01:43 UTC)
Expired: Jun 16, 2017, 9:15 PM CDT
In force: 32 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Cass County, NE, Johnson County, NE, Nemaha County, NE, Otoe County, NE

The radar

The Omaha radar (KOAX), 75 km from the middle of the area, began a volume at 01:46 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 16, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

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 Jun 16, 8:04 PM CDT, 39 minutes earlier.

Area forecast discussion, Jun 16, 8:04 PM CDT, 39 minutes before

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In the hours before

Local storm report, Jun 16, 8:33 PM CDT, 10 minutes before

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Local storm report, Jun 16, 8:36 PM CDT, 7 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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Local storm report, Jun 16, 8:37 PM CDT, 6 minutes before

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      <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.
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
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Local storm report, Jun 16, 8:39 PM CDT, 4 minutes before

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  <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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Local storm report, Jun 16, 8:42 PM CDT, 1 minute before

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<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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Local storm report, Jun 16, 8:43 PM CDT, 0 minutes before

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<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>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 7:07 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Butler, Colfax, Dodge, Douglas, Lancaster and 4 more	38 min
Jun 16, 7:14 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Platte	16 min
Jun 16, 7:30 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Douglas, Sarpy, Saunders, Washington	30 min
Jun 16, 7:43 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Saunders, Seward	47 min
Jun 16, 7:49 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Douglas, Lancaster, Otoe, Sarpy, Saunders	26 min
Jun 16, 8:07 PM CDT	Tornado Warning	OAX	Cass, Sarpy	23 min
Jun 16, 8:14 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Douglas, Lancaster, Nemaha, Otoe, Sarpy and 1 more	31 min
Jun 16, 8:23 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Seward	52 min
Jun 16, 8:26 PM CDT	Areal Flood Advisory	OAX	Douglas, Sarpy	64 min
Jun 16, 8:51 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Gage, Jefferson, Johnson, Lancaster, Nemaha and 5 more	39 min
Jun 16, 8:57 PM CDT	Tornado Warning	OAX	Nemaha, Otoe	33 min
Jun 16, 9:01 PM CDT	Tornado Warning	OAX	Gage, Lancaster, Saline	29 min
Jun 16, 9:10 PM CDT	Tornado Warning	OAX	Gage, Saline	35 min
Jun 16, 9:13 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Richardson	32 min
Jun 16, 9:27 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson, Johnson, Lancaster, Nemaha, Otoe and 3 more	48 min
Jun 16, 9:33 PM CDT	Tornado Warning	OAX	Gage	27 min
Jun 16, 9:57 PM CDT	Tornado Warning	OAX	Gage, Pawnee	33 min
Jun 16, 10:14 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson, Johnson, Nemaha, Pawnee, Richardson	46 min
Jun 16, 7:51 PM CDT	Tornado Warning	OAX	Harrison, Shelby	11 min
Jun 16, 8:29 PM CDT	Tornado Warning	OAX	Mills, Montgomery, Pottawattamie	31 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2017 Severe Thunderstorm Warnings in Nebraska, 2017 Every severe thunderstorm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.