Flash Flood Warning Issued for Tulsa and Wagoner Counties in Northeastern Oklahoma

Source: NOAA · Northeastern Oklahoma

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A Flash Flood Warning is in effect for southeastern Tulsa and northwestern Wagoner counties until 11:30 PM CST following reports of heavy rainfall and ongoing flooding.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on March 12, 2026 and geographically references Northeastern Oklahoma. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Flash Flood Warning, Oklahoma) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

The National Weather Service in Tulsa has issued a Flash Flood Warning for portions of northeastern Oklahoma. The alert was triggered after trained weather spotters reported active flash flooding resulting from heavy thunderstorms in the region. The warning is classified as an immediate threat with flooding already occurring at the time of issuance.

Affected Areas

The warning specifically covers the following geographic regions:

  • Southeastern Tulsa County in northeastern Oklahoma
  • Northwestern Wagoner County in northeastern Oklahoma

Specific locations expected to experience flash flooding include Tulsa, Broken Arrow, Bixby, Coweta, and Oneta. Reports indicate active flooding near the intersection of 111th and Garnett.

What You Should Do

Residents and motorists are urged to take immediate precautions. The National Weather Service advises: "Turn around, don't drown when encountering flooded roads." Most flood-related deaths occur in vehicles. Residents should avoid small creeks, streams, highways, streets, and underpasses, as well as other poor drainage and low-lying areas.

Expected Conditions

Trained spotters have observed thunderstorms producing heavy rain, with 1 to 2.5 inches of precipitation already fallen. The expected rainfall rate is 0.5 to 1.5 inches per hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. The primary hazards are flash flooding of urban areas and small waterways caused by these intense thunderstorms.

Timeline

The Flash Flood Warning is effective immediately as of 8:31 PM CST and is scheduled to remain in effect until 11:30 PM CST on March 6, 2026.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Flash Flood Warning is in effect for southeastern Tulsa and northwestern Wagoner counties until 11:30 PM CST following reports of heavy rainfall and ongoing flooding.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northeastern Oklahoma. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.