Alert archive / Nebraska / Mesoscale Discussions in 2026

Mesoscale Discussion 1306

June 24, 20269 counties in Colorado; 11 counties in Kansas; 12 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2026, 10:26 PM MDT for 9 counties in Colorado; 11 counties in Kansas; 12 counties in Nebraska. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued
Jun 24, 2026, 10:26 PM MDT (04:26 UTC)
Expired
Jun 24, 2026, 11:30 PM MDT
In force
64 min
Issued by
the Storm Prediction Center
Concerning
Tornado and severe thunderstorm watches 389...390
All 32 counties

Adams County, CO, Arapahoe County, CO, Cheyenne County, CO, Douglas County, CO, Elbert County, CO, Kit Carson County, CO, Lincoln County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Graham County, KS, Logan County, KS, Norton County, KS, Phillips County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Chase County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Kearney County, NE, Phelps County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 29 km from the middle of the area, began a volume at 04:30 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.4 hours before the alert went out and 192 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2026-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 688 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2026-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
688 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1325 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.6
Supercell composite
6.4

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 6:05 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kit Carson, Yuma7 hr
Jun 24, 6:47 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Logan, Morgan, Washington and 1 more58 min
Jun 24, 7:58 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick62 min
Jun 25, 2:24 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Bent, Broomfield, Crowley, Denver and 8 more3 hr
Jun 25, 4:54 PM MDTMesoscale DiscussionSPCWeld96 min
Jun 25, 5:40 PM MDTMesoscale DiscussionSPCLas Animas, Otero, Pueblo95 min
Jun 25, 6:17 AM MDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Finney, Ford and 12 more118 min
Jun 25, 11:38 AM MDTMesoscale DiscussionSPCAllen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 9 more3 hr
Jun 25, 12:56 PM MDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Ford, Grant and 8 more3 hr
Jun 25, 2:03 PM MDTTornado WatchSPCBarber, Clark, Comanche, Cowley, Edwards, Finney and 16 more8 hr

Nearby

Mesoscale Discussions in Nebraska, 2026Mesoscale Discussions in Kansas, 2026Mesoscale Discussions in Colorado, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.