Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 20, NWS North Platte, NE

May 17, 2026Keith County, Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 17, 2026, 2:37 AM MDT for Keith County, Lincoln County, Nebraska. It was in force for 23 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 17, 2026, 2:37 AM MDT (08:37 UTC)
Expired: May 17, 2026, 3:00 AM MDT
In force: 23 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Keith County, NE, Lincoln County, NE

The radar

The North Platte radar (KLNX), 106 km from the middle of the area, began a volume at 08:41 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, 8.6 hours before the alert went out and 389 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: 1409 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 2918 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

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 North Platte, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 2:09 AM MDT, 28 minutes earlier.

Area forecast discussion, May 17, 2:09 AM MDT, 28 minutes before

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Hazardous weather outlook, May 16, 2:49 PM MDT, 11 hours 48 minutes before

Hazardous Weather Outlook
National Weather Service North Platte NE
349 PM CDT Sat May 16 2026

NEZ004>010-022>029-035>038-056>059-069>071-094-172100-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
349 PM CDT Sat May 16 2026 /249 PM MDT Sat May 16 2026/

This Hazardous Weather Outlook is for portions of western and north
central Nebraska.

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms are likely to impact much of western
Nebraska late this afternoon and evening with a threat for severe
hazards. Very large hail, damaging wind gusts, and a tornado or two
are the main concerns. Storms are predicted to move into the western
Sandhills and southwest Nebraska initially, then into the southern
Sandhills and central Nebraska.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Additional scattered severe thunderstorms appears likely Sunday
afternoon and evening, favoring central Nebraska. Potential hazards
include damaging wind gusts, large hail, and perhaps a tornado or
two.

Scattered thunderstorms will again be possible Monday afternoon and
evening for central Nebraska. A strong storm or two cannot be ruled
out with hail and damaging wind gusts the main concern.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed.

In the hours before

Local storm report, May 16, 9:19 PM MDT, 5 hours 18 minutes before

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Local storm report, May 16, 9:25 PM MDT, 5 hours 12 minutes before

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Special weather statement, May 17, 12:58 AM MDT, 1 hour 39 minutes before

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Special weather statement, May 17, 1:52 AM MDT, 45 minutes before

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Special weather statement, May 17, 2:18 AM MDT, 19 minutes before

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Special weather statement, May 17, 2:29 AM MDT, 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 6:35 PM MDT	Special Weather Statement	LBF	Hayes	40 min
May 16, 6:37 PM MDT	Special Weather Statement	LBF	Chase	23 min
May 16, 7:01 PM MDT	Special Weather Statement	LBF	Frontier	29 min
May 16, 7:20 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln	40 min
May 16, 7:35 PM MDT	Special Weather Statement	LBF	Gosper	25 min
May 17, 12:58 AM MDT	Special Weather Statement	LBF	Lincoln	47 min
May 17, 1:16 AM MDT	Severe Thunderstorm Warning	LBF	Lincoln	44 min
May 17, 1:52 AM MDT	Special Weather Statement	LBF	Logan	38 min
May 17, 2:18 AM MDT	Special Weather Statement	LBF	Logan	42 min
May 17, 2:29 AM MDT	Special Weather Statement	LBF	Lincoln	46 min
May 17, 10:37 AM MDT	Special Weather Statement	LBF	Cherry	23 min
May 17, 11:30 AM MDT	Special Weather Statement	LBF	Keya Paha	45 min
May 17, 11:46 AM MDT	Severe Thunderstorm Warning	LBF	Brown, Keya Paha	29 min
May 17, 12:14 PM MDT	Severe Thunderstorm Warning	LBF	Boyd, Keya Paha	46 min
May 17, 12:20 PM MDT	Severe Thunderstorm Warning	LBF	Boyd, Brown, Holt, Keya Paha, Rock	40 min
May 17, 12:50 PM MDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	40 min
May 17, 1:25 PM MDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Boyd, Holt	37 min
May 17, 5:10 PM MDT	Special Weather Statement	LBF	Hooker	50 min
May 17, 5:12 PM MDT	Special Weather Statement	LBF	McPherson	48 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2026 Every severe thunderstorm warning 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.