Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 33, NWS Omaha, NE

April 15, 20264 counties in Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Apr 15, 2026, 2:10 PM CDT for 4 counties in Nebraska. It was in force for 37 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: Apr 15, 2026, 2:10 PM CDT (19:10 UTC)
Expired: Apr 15, 2026, 2:47 PM CDT
In force: 37 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Dodge County, NE, Douglas County, NE, Saunders County, NE, Washington County, NE

The radar

The Omaha radar (KOAX), 11 km from the middle of the area, began a volume at 19:14 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 15, 12:28 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 7.2 hours before the alert went out and 276 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: 721 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 567 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 372 m²/s²
0-3 km storm-relative helicity: 364 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 8.0

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 Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 15, 11:27 AM CDT, 2 hours 43 minutes earlier.

Area forecast discussion, Apr 15, 11:27 AM CDT, 2 hours 43 minutes before

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Hazardous weather outlook, Apr 15, 10:49 AM CDT, 3 hours 21 minutes before

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
1049 AM CDT Wed Apr 15 2026

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-161600-
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-
1049 AM CDT Wed Apr 15 2026

This Hazardous Weather Outlook is for southwest Iowa, west central
Iowa, east central Nebraska, northeast Nebraska and southeast
Nebraska.

.DAY ONE...Today and tonight.

Isolated strong to severe storms will be possible late this morning,
with hail being the primary threat. Additional severe weather
chances arrive this afternoon, with the highest potential being near
and east of the Missouri River from 1 PM through 6 PM. Large hail and
damaging winds are the primary threats, though a brief tornado can't
be ruled out.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Warm, dry, and breezy conditions will lead to increased fire danger
on Thursday, especially in northeast Nebraska.

Additional chances for severe storms arrive for Friday afternoon and
evening. All severe weather hazards will be possible with these
storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be today and Friday.

In the hours before

Local storm report, Apr 15, 12:03 PM CDT, 2 hours 7 minutes before

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Local storm report, Apr 15, 1:19 PM CDT, 51 minutes before

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Local storm report, Apr 15, 1:31 PM CDT, 39 minutes before

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Local storm report, Apr 15, 1:43 PM CDT, 27 minutes before

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Local storm report, Apr 15, 1:56 PM CDT, 14 minutes before

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Local storm report, Apr 15, 2:01 PM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 9:41 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson	49 min
Apr 14, 10:28 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson	47 min
Apr 14, 11:09 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson, Saline	51 min
Apr 14, 11:16 PM CDT	Flash Flood Warning	OAX	Johnson, Nemaha, Otoe	3 hr
Apr 14, 11:54 PM CDT	Flash Flood Warning	OAX	Gage, Johnson	3 hr
Apr 15, 12:07 AM CDT	Fire Weather Watch	OAX	Antelope, Boone, Cedar, Colfax, Cuming, Knox and 6 more	21 hr
Apr 15, 9:07 AM CDT	Severe Thunderstorm Warning	OAX	Platte	36 min
Apr 15, 9:47 AM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax	29 min
Apr 15, 10:05 AM CDT	Severe Thunderstorm Warning	OAX	Dodge	42 min
Apr 15, 10:35 AM CDT	Severe Thunderstorm Warning	OAX	Burt, Washington	36 min
Apr 15, 12:52 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Seward	38 min
Apr 15, 1:17 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Saunders, Seward	58 min
Apr 14, 10:49 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	41 min
Apr 14, 11:26 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	49 min
Apr 15, 10:53 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Harrison, Monona	46 min
Apr 15, 11:24 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	51 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.