Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 79, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Apr 25, 2026, 9:41 PM CDT for 4 counties in Nebraska. It was in force for 49 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 25, 2026, 9:41 PM CDT (02:41 UTC)
- Expired
- Apr 25, 2026, 10:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Johnson County, NE, Nemaha County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Omaha radar (KOAX), 122 km from the middle of the area, began a volume at 02:44 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
Topeka, KS (KTOP), launched 00:00Z, 2.7 hours before the alert went out and 144 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.
- Mixed-layer CAPE
- 827 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1421 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.6
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 25, 6:03 PM CDT, 3 hours 38 minutes earlier.
Area forecast discussion, Apr 25, 6:03 PM CDT, 3 hours 38 minutes before
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</html>Hazardous weather outlook, Apr 25, 11:46 AM CDT, 9 hours 55 minutes before
Hazardous Weather Outlook National Weather Service Omaha/Valley NE 1146 AM CDT Sat Apr 25 2026 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-261700- 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- 1146 AM CDT Sat Apr 25 2026 This Hazardous Weather Outlook is for southwest Iowa, west central Iowa, east central Nebraska, northeast Nebraska and southeast Nebraska. .DAY ONE...This afternoon and tonight. Showers and thunderstorms are expected to push across the area this afternoon and early evening. A few strong to severe storms will be possible. Localized areas of hail (up to 1 inch in diameter) and strong wind gusts (up to 60 mph) will be possible with any stronger storms, primarily in southeast Nebraska. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Additional showers and thunderstorms are expected Sunday afternoon through Monday morning. A few strong to severe storms will be possible. Large hail and damaging winds will be the primary threats, though a tornado or two cannot be ruled out, primarily in southeast Nebraska. Repeated rounds of heavy rainfall may bring flash flood concerns Sunday night into early Monday, primarily in southeast Nebraska and southwest Iowa. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Apr 25, 6:02 PM CDT, 3 hours 39 minutes before
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</html>The office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 7:24 PM CDT | Severe Thunderstorm Warning | OAX | Gage | 66 min |
| Apr 25, 8:55 PM CDT | Severe Thunderstorm Warning | OAX | Gage | 11 min |
| Apr 26, 10:29 AM CDT | Flood Watch | OAX | Johnson, Nemaha, Otoe, Pawnee, Richardson | 19 hr |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2026Every 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.