Alert archive / Iowa / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 214, NWS Omaha, NE

June 27, 2011Cass County, Nebraska; Fremont County, Mills County, Iowa

NWS Omaha, NE issued this severe thunderstorm warning at Jun 27, 2011, 2:15 AM CDT for Cass County, Nebraska; Fremont County, Mills County, Iowa. It was in force for 45 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 27, 2011, 2:15 AM CDT (07:15 UTC)
Expired: Jun 27, 2011, 3:00 AM CDT
In force: 45 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Fremont County, IA, Mills County, IA, Cass County, NE

The radar

The Omaha radar (KOAX), 68 km from the middle of the area, began a volume at 07:14 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.

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 26, 3:00 PM CDT, 11 hours 15 minutes earlier.

Area forecast discussion, Jun 26, 3:00 PM CDT, 11 hours 15 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, Jun 26, 4:56 PM CDT, 9 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 7:08 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Colfax, Cuming, Dodge, Thurston, Washington and 1 more	52 min
Jun 26, 7:10 PM CDT	Areal Flood Advisory	OAX	Cedar, Knox, Madison, Pierce, Wayne	97 min
Jun 26, 7:12 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Platte, Saunders	48 min
Jun 26, 7:31 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Seward	44 min
Jun 26, 7:33 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Dodge, Washington	42 min
Jun 26, 7:44 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Dodge, Lancaster, Saunders	36 min
Jun 26, 7:55 PM CDT	Tornado Warning	OAX	Butler, Seward	23 min
Jun 26, 8:06 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Dodge, Douglas, Lancaster, Sarpy, Saunders and 1 more	39 min
Jun 26, 8:07 PM CDT	Severe Thunderstorm Warning	OAX	Washington	38 min
Jun 26, 8:15 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Lancaster, Saline, Seward	34 min
Jun 26, 8:22 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy	38 min
Jun 26, 8:33 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Douglas, Lancaster, Otoe, Sarpy	42 min
Jun 26, 8:41 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson, Johnson, Lancaster, Otoe, Saline	64 min
Jun 26, 8:45 PM CDT	Areal Flood Advisory	OAX	Burt, Dodge, Douglas, Washington	3 hr
Jun 26, 9:08 PM CDT	Areal Flood Advisory	OAX	Cass, Dodge, Douglas, Lancaster, Otoe, Sarpy and 3 more	2 hr
Jun 26, 9:30 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Pawnee	45 min
Jun 26, 9:31 PM CDT	Severe Thunderstorm Warning	OAX	Otoe	44 min
Jun 26, 9:33 PM CDT	Tornado Warning	OAX	Gage, Johnson, Pawnee	27 min
Jun 26, 9:47 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Otoe, Richardson	43 min
Jun 26, 9:47 PM CDT	Tornado Warning	OAX	Johnson, Nemaha, Pawnee	28 min
Jun 26, 10:01 PM CDT	Areal Flood Advisory	OAX	Gage, Johnson, Lancaster, Nemaha, Otoe, Pawnee and 1 more	86 min
Jun 26, 10:08 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Pawnee, Richardson	67 min
Jun 26, 10:22 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Richardson	38 min
Jun 26, 10:55 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	35 min
Jun 27, 1:42 AM CDT	Severe Thunderstorm Warning	OAX	Cass, Lancaster, Saline, Seward	48 min
Jun 27, 2:07 AM CDT	Areal Flood Advisory	OAX	Cass, Lancaster, Saline, Seward	105 min
Jun 27, 4:01 AM CDT	Areal Flood Advisory	OAX	Richardson	3 hr
Jun 27, 7:17 AM CDT	River Flood Warning	OAX	Saline	12 hr
Jun 26, 7:22 PM CDT	Severe Thunderstorm Warning	OAX	Monona	53 min
Jun 26, 7:54 PM CDT	Tornado Warning	OAX	Harrison, Monona	23 min
Jun 26, 8:41 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Pottawattamie, Shelby	49 min
Jun 26, 8:53 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery	52 min
Jun 27, 12:30 AM CDT	River Flood Warning	OAX	Page	14 hr
Jun 27, 12:49 AM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	56 min
Jun 27, 1:25 AM CDT	River Flood Warning	OAX	Fremont	38 hr
Jun 27, 1:25 AM CDT	River Flood Warning	OAX	Fremont	5 hr

Nearby

Severe Thunderstorm Warnings in Iowa, 2011 Severe Thunderstorm Warnings in Nebraska, 2011 Every severe thunderstorm warning in 2011

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.