Alert archive / Nebraska / Mesoscale Discussions in 2026

Mesoscale Discussion 903

May 30, 20264 states

The Storm Prediction Center issued this mesoscale discussion at May 30, 2026, 1:14 PM MDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 30, 2026, 1:14 PM MDT (19:14 UTC)
Expired
May 30, 2026, 3:15 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch possible
Chance of a watch
60%
All 28 counties

Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Deuel County, NE, Garden County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sioux County, NE, Custer County, SD, Fall River County, SD, Lawrence County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Crook County, WY, Goshen County, WY, Niobrara County, WY, Weston County, WY

The radar

The Cheyenne radar (KCYS), 165 km from the middle of the area, began a volume at 19:13 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The text

As transmitted.

<!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>

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 30, 2:13 PM MDTSevere Thunderstorm WatchSPCLogan, Morgan, Phillips, Sedgwick, Washington, Weld and 1 more7 hr
May 30, 5:20 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Elbert, Logan, Morgan and 2 more85 min
May 29, 10:43 PM MDTMesoscale DiscussionSPCAdams, Buffalo, Dawson, Franklin, Furnas, Gosper and 6 more92 min
May 30, 2:34 PM MDTSevere Thunderstorm WatchSPCAdams, Buffalo, Clay, Dawson, Fillmore, Franklin and 13 more6 hr
May 30, 2:51 PM MDTMesoscale DiscussionSPCArthur, Blaine, Chase, Custer, Dundy, Frontier and 12 more114 min
May 30, 3:59 PM MDTTornado WatchSPCArthur, Blaine, Chase, Cherry, Custer, Deuel and 15 more6 hr
May 30, 2:21 PM MDTMesoscale DiscussionSPCButte, Harding2 hr

Nearby

Mesoscale Discussions in Nebraska, 2026Mesoscale Discussions in Colorado, 2026Mesoscale Discussions in South Dakota, 2026Every mesoscale discussion in 2026

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.