Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 85, NWS Omaha, NE

May 15, 2026Saline County, Seward County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 15, 2026, 8:16 PM CDT for Saline County, Seward County, Nebraska. It was in force for 44 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 15, 2026, 8:16 PM CDT (01:16 UTC)
Expired: May 15, 2026, 9:00 PM CDT
In force: 44 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Saline County, NE, Seward County, NE

The radar

The Omaha radar (KOAX), 95 km from the middle of the area, began a volume at 01:15 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
May 15, 5:16 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.3 hours before the alert went out and 95 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: 798 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 2723 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

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 May 15, 6:35 PM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, May 15, 6:35 PM CDT, 1 hour 41 minutes before

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Hazardous weather outlook, May 15, 2:19 PM CDT, 5 hours 57 minutes before

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In the hours before

Local storm report, May 15, 7:08 PM CDT, 1 hour 8 minutes before

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Local storm report, May 15, 7:15 PM CDT, 1 hour 1 minute before

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Local storm report, May 15, 7:16 PM CDT, 1 hour before

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Local storm report, May 15, 7:17 PM CDT, 59 minutes before

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Local storm report, May 15, 7:32 PM CDT, 44 minutes before

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Local storm report, May 15, 7:49 PM CDT, 27 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
May 15, 7:03 PM CDT	Severe Thunderstorm Warning	OAX	Saline	34 min
May 15, 8:46 PM CDT	Severe Thunderstorm Warning	OAX	Saline, Seward	28 min
May 15, 9:43 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Washington	47 min
May 15, 10:01 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Washington	44 min
May 15, 10:14 PM CDT	Severe Thunderstorm Warning	OAX	Dodge, Douglas, Saunders, Washington	34 min
May 15, 10:25 PM CDT	Severe Thunderstorm Warning	OAX	Washington	11 min
May 16, 5:38 PM CDT	Severe Thunderstorm Warning	OAX	Platte	52 min
May 16, 6:17 PM CDT	Severe Thunderstorm Warning	OAX	Platte	43 min
May 16, 4:32 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	43 min
May 16, 4:42 PM CDT	Severe Thunderstorm Warning	OAX	Page	28 min
May 16, 5:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Montgomery	51 min
May 16, 5:24 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Pottawattamie	51 min
May 16, 6:12 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Page	30 min
May 16, 6:49 PM CDT	Flash Flood Warning	OAX	Montgomery	3 hr

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.