This alert expired on 22 May 2026 at 19:05 UTC. It is kept here as a record.
It is the 9th strongest of the 24 detections recorded within 20 km of this point since 10 April 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued May 22 at 1:55PM CDT until May 22 at 2:00PM CDT by NWS Tulsa OK
An estimated 190,416 people live within 50 km of this point.
Nearby, since 10 April 2026
- June 8, 2026 · score 43 · 8.5 km
- June 7, 2026 · score 43 · 8.5 km
- July 5, 2026 · score 48 · 20.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 35.8178, -95.5883 |
| Nearest City | Muskogee (21 km) |
| Population Exposed | 190.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T18:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.3a1b79077ac2c39a29ce9b6ca009c713 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Rogers, OK; Tulsa, OK; Washington, OK; Latimer, OK; Rogers, OK; Tulsa, OK |
| Headline | Flood Warning issued May 22 at 1:55PM CDT until May 22 at 2:00PM CDT by NWS Tulsa OK |
| Expires | 2026-05-22T14:05:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3a1b79077ac2c39a29ce9b6ca009c713eef05437.001.1","noaa_urn:oid:2.49.0.1.840.0.dd853e82d81fd9f720c20c10f449b9d12dce1500.001.1","noaa_urn:oid:2.49.0.1.840.0.41c3ed5901ca116bf2689893f1342488ad469694.001.1"] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 43/100, near Muskogee (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.