Alert archive / Nebraska / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 29, NWS Omaha, NE

May 2, 20154 counties in Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 2, 2015, 11:31 PM CDT for 4 counties in Nebraska. It was in force for 29 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: May 2, 2015, 11:31 PM CDT (04:31 UTC)
Expired: May 3, 2015, 12:00 AM CDT
In force: 29 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Colfax County, NE, Cuming County, NE, Dodge County, NE, Stanton County, NE

The radar

The Omaha radar (KOAX), 67 km from the middle of the area, began a volume at 04:33 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.

Hazardous weather outlook, May 2, 10:05 PM CDT, 1 hour 26 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1005 PM CDT SAT MAY 2 2015

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-031715-
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE-KNOX-CEDAR-THURSTON-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-
STANTON-CUMING-BURT-PLATTE-COLFAX-DODGE-WASHINGTON-BUTLER-
SAUNDERS-DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-SALINE-
JEFFERSON-GAGE-JOHNSON-NEMAHA-PAWNEE-RICHARDSON-
1005 PM CDT SAT MAY 2 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST
NEBRASKA AND SOUTHEAST NEBRASKA.

.DAY ONE...TONIGHT AND SUNDAY

SCATTERED THUNDERSTORMS WILL AFFECT PARTS OF EASTERN NEBRASKA
AND SOUTHWEST IOWA OVERNIGHT. SOME STRONG STORMS ARE EXPECTED...
BUT ORGANIZED SEVERE STORMS ARE NOT EXPECTED. STORMS HAD BEEN
SEVERE EARLIER THIS EVENING.

THERE IS A CHANCE OF THUNDERSTORMS SUNDAY AFTERNOON IN NORTHEAST
NEBRASKA...THEN ACROSS THE REST OF EASTERN NEBRASKA AND SOUTHWEST
IOWA SUNDAY EVENING INTO THE OVERNIGHT. INSTABILITY WILL INCREASE
AHEAD OF A COLD FRONT MOVING INTO THE AREA ON SUNDAY...BUT SHEAR
LOOKS TO REMAIN RATHER WEAK. ISOLATED SEVERE STORMS ARE POSSIBLE
WITH LARGE HAIL AND DAMAGING WINDS THE PRIMARY HAZARDS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ADDITIONAL CHANCES OF THUNDERSTORMS ARE IN THE FORECAST THROUGH
THE REMAINDER OF THE WEEK AS THE SUNDAY COLD FRONT BECOMES
STATIONARY ACROSS EASTERN NEBRASKA AND SOUTHWEST IOWA. RIPPLES OF
ENERGY RIDING OVER THIS FRONT COULD SPARK THUNDERSTORMS AT ANYTIME
MONDAY THROUGH SATURDAY. THE BEST CHANCES FOR SEVERE STORMS AT
THIS TIME LOOKS TO BE MONDAY NIGHT...THEN AGAIN WEDNESDAY AND
THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION SHOULD NOT BE NEEDED TONIGHT AND IS NOT
EXPECTED ON SUNDAY.

In the hours before

Local storm report, May 2, 9:07 PM CDT, 2 hours 24 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>

Local storm report, May 2, 9:28 PM CDT, 2 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>

Local storm report, May 2, 9:45 PM CDT, 1 hour 46 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>

Local storm report, May 2, 10:03 PM CDT, 1 hour 28 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>

Special weather statement, May 2, 10:19 PM CDT, 1 hour 12 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>

Special weather statement, May 2, 11:09 PM CDT, 22 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
May 2, 7:35 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Dodge	40 min
May 2, 7:49 PM CDT	Special Weather Statement	OAX	Boone	41 min
May 2, 8:38 PM CDT	Special Weather Statement	OAX	Washington	37 min
May 2, 8:41 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Madison, Pierce	34 min
May 2, 8:55 PM CDT	Special Weather Statement	OAX	Dodge	35 min
May 2, 8:55 PM CDT	Severe Thunderstorm Warning	OAX	Boone	21 min
May 2, 9:07 PM CDT	Severe Thunderstorm Warning	OAX	Dodge, Saunders	38 min
May 2, 9:15 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Pierce	16 min
May 2, 9:17 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Platte	17 min
May 2, 9:24 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Cuming, Dodge	36 min
May 2, 10:19 PM CDT	Special Weather Statement	OAX	Burt, Douglas, Washington	41 min
May 2, 10:25 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Platte	35 min
May 2, 11:09 PM CDT	Special Weather Statement	OAX	Butler	51 min
May 2, 11:19 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Saunders	41 min
May 3, 12:48 AM CDT	Special Weather Statement	OAX	Burt, Cuming	42 min
May 3, 4:33 PM CDT	Special Weather Statement	OAX	Lancaster	27 min
May 3, 5:11 PM CDT	Special Weather Statement	OAX	Lancaster	34 min
May 3, 5:17 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster	28 min
May 3, 5:44 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster	31 min
May 3, 6:00 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster	30 min
May 3, 6:26 PM CDT	Special Weather Statement	OAX	Cuming	49 min
May 3, 6:29 PM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Otoe	31 min
May 3, 6:35 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Stanton	40 min
May 3, 6:51 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Otoe	39 min
May 3, 6:55 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Lancaster, Otoe	50 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; radar from the NEXRAD Level II archive.