Alert archive / Nebraska / Mesoscale Discussions in 2026

Mesoscale Discussion 902

May 29, 202612 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 29, 2026, 11:43 PM CDT for 12 counties in Nebraska. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: May 29, 2026, 11:43 PM CDT (04:43 UTC)
Expired: May 30, 2026, 1:15 AM CDT
In force: 92 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

Counties Adams County, NE, Buffalo County, NE, Dawson County, NE, Franklin County, NE, Furnas County, NE, Gosper County, NE, Hall County, NE, Harlan County, NE, Howard County, NE, Kearney County, NE, Phelps County, NE, Sherman County, NE

The radar

The Grand Island radar (KUEX), 65 km from the middle of the area, began a volume at 04:46 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 nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 4.7 hours before the alert went out and 320 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 211 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 2467 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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.

Issued	Product	Office	Counties	Lasted
May 30, 2:14 PM CDT	Mesoscale Discussion	SPC	Banner, Box Butte, Cheyenne, Dawes, Deuel, Garden and 5 more	2 hr
May 30, 3:13 PM CDT	Severe Thunderstorm Watch	SPC	Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more	7 hr
May 30, 3:34 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Buffalo, Clay, Dawson, Fillmore, Franklin and 13 more	6 hr
May 30, 3:51 PM CDT	Mesoscale Discussion	SPC	Arthur, Blaine, Chase, Custer, Dundy, Frontier and 12 more	114 min
May 30, 4:59 PM CDT	Tornado Watch	SPC	Arthur, Blaine, Chase, Cherry, Custer, Deuel and 15 more	6 hr
May 30, 6:20 PM CDT	Mesoscale Discussion	SPC	Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more	85 min

Nearby

Mesoscale Discussions in Nebraska, 2026 Every 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.