Severe Thunderstorm Warning Issued for Delaware and Ottawa Counties in Oklahoma
This alert is no longer in effect.
NOAA issued it on May 9, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Severe Thunderstorm Warning is in effect for northern Delaware and southeastern Ottawa counties in northeastern Oklahoma until 1:00 PM CDT on April 28, 2026, with hazards including quarter-sized hail and winds up to 50 mph.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northeastern Oklahoma
- Issued
- May 9, 2026
- Issuing authority
- NWS Tulsa OK
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Northeastern Oklahoma.
Severe Thunderstorm Warning in Northeastern Oklahoma
Alert Details
The National Weather Service in Tulsa has issued a Severe Thunderstorm Warning for northern Delaware County and southeastern Ottawa County in northeastern Oklahoma. This warning is effective from 12:23 PM CDT on April 28, 2026.
Affected Areas
The warning affects northern Delaware County and southeastern Ottawa County, including locations such as Grove, Fairland, Afton, Bernice, Wyandotte, Cleora, Honey Creek State Park, Bernice State Park, Ottawa, Peoria, Zena, and Twin Bridges State Park. It also includes Interstate 44 between mile markers 294 and 306, and between 317 and 323.
What You Should Do
For your protection, move to an interior room on the lowest floor of a building.
Expected Conditions
Hazards include quarter-sized hail and wind gusts up to 50 mph. The storm is moving northeast at 50 mph.
Timeline
The warning is effective from 12:23 PM CDT on April 28, 2026, and expires at 1:00 PM CDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,013 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 9, 2026.
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