This alert expired on 27 June 2026 at 08:45 UTC. It is kept here as a record.
It is the 4th strongest of the 53 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 27 at 12:40AM CDT until June 27 at 3:45AM CDT by NWS Norman OK
An estimated 1,154,403 people live within 50 km of this point.
Nearby, since 10 March 2026
- June 27, 2026 · score 52 · 5.2 km
- August 7, 2026 · score 46 · 7.8 km
- March 11, 2026 · score 76 · 9.0 km
How we know
Confirmed by 10 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 90 % 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) | 52 / 100 |
| Our confidence | 90% |
| Coordinates | 35.5160, -97.4200 |
| Nearest City | Midwest City (8 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-27T05:40:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Oklahoma, OK |
| Headline | Flash Flood Warning issued June 27 at 12:40AM CDT until June 27 at 3:45AM CDT by NWS Norman OK |
| Expires | 2026-06-27T03:45:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 9 S Omega |
| Iem County | Kingfisher |
| Iem State | OK |
| Iem Wfo | OUN |
| MergedSources | [{"id":"iem_G_35.660_-97.190_1782540060000","source":"iem","severity":"low","severityValue":25,"timestamp":1782540060000,"latitude":35.66,"longitude":-97.19},{"id":"iem_G_35.470_-98.000_1782536700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782536700000,"latitude":35.47,"longitude":-98},{"id":"iem_G_35.560_-98.040_1782536700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782536700000,"latitude":35.56,"longitude":-98.04},{"id":"iem_F_36.120_-97.060_1782528300000","source":"iem","severity":"low","severityValue":25,"timestamp":1782528300000,"latitude":36.12,"longitude":-97.06},{"id":"iem_H_35.830_-97.400_1782528960000","source":"iem","severity":"low","severityValue":25,"timestamp":1782528960000,"latitude":35.83,"longitude":-97.4},{"id":"iem_H_35.880_-97.430_1782528300000","source":"iem","severity":"low","severityValue":25,"timestamp":1782528300000,"latitude":35.88,"longitude":-97.43},{"id":"iem_D_35.440_-97.410_1782539820000","source":"iem","severity":"low","severityValue":25,"timestamp":1782539820000,"latitude":35.44,"longitude":-97.41},{"id":"iem_H_35.870_-97.480_1782528000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782528000000,"latitude":35.87,"longitude":-97.48},{"id":"iem_H_35.740_-98.200_1782535500000","source":"iem","severity":"low","severityValue":25,"timestamp":1782535500000,"latitude":35.74,"longitude":-98.2}] |
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 52/100, near Midwest City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.