This alert expired on 10 May 2026 at 03:47 UTC. It is kept here as a record.
It is the 2nd strongest of the 26 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 12 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 9 at 10:37PM CDT until May 9 at 10:45PM CDT by NWS Norman OK
An estimated 136,374 people live within 50 km of this point.
Nearby, since 11 March 2026
- March 11, 2026 · score 49 · 9.2 km
- June 6, 2026 · score 43 · 11.2 km
How we know
Confirmed by 10 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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 | 91% |
| Coordinates | 34.8238, -98.2141 |
| Nearest City | Lawton (29 km) |
| Population Exposed | 136.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-10T03:37:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Custer, OK; Dewey, OK; Caddo, OK; Grady, OK; Carter, OK; Comanche, OK; Cotton, OK; Garvin, OK; Grady, OK; Jefferson, OK; Murray, OK; Stephens, OK and 1 more areas |
| Headline | Severe Thunderstorm Warning issued May 9 at 10:37PM CDT until May 9 at 10:45PM CDT by NWS Norman OK |
| Expires | 2026-05-09T22:47:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8fef7c8ee0cdcc88a918713bb3ac12b580101dc6.001.1","noaa_urn:oid:2.49.0.1.840.0.ffad68f61aef722ca9f60f7f7d1fa9ffd8cfbee2.001.1","noaa_urn:oid:2.49.0.1.840.0.7b7611445d6d81cbd174c4bfcaa432fb42e99e14.001.1","noaa_urn:oid:2.49.0.1.840.0.7439483ffc0a5d9df93413e924a2386998fb5a7f.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.25 |
| Iem Unit | Inch |
| Iem City | 1 NE Elgin |
| Iem County | Comanche |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | Report from mPING: Half Dollar (1.25 in.). Time adjusted from radar. |
| MergedSources | [{"id":"iem_H_35.170_-98.920_1778373420000","source":"iem","severity":"low","severityValue":25,"timestamp":1778373420000,"latitude":35.17,"longitude":-98.92},{"id":"iem_H_35.100_-98.750_1778375400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375400000,"latitude":35.1,"longitude":-98.75},{"id":"iem_D_34.720_-98.280_1778379480000","source":"iem","severity":"low","severityValue":25,"timestamp":1778379480000,"latitude":34.72,"longitude":-98.28},{"id":"iem_H_34.830_-98.380_1778378880000","source":"iem","severity":"low","severityValue":25,"timestamp":1778378880000,"latitude":34.83,"longitude":-98.38},{"id":"iem_D_34.650_-98.190_1778380500000","source":"iem","severity":"low","severityValue":25,"timestamp":1778380500000,"latitude":34.65,"longitude":-98.19},{"id":"iem_H_34.790_-98.350_1778379000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778379000000,"latitude":34.79,"longitude":-98.35},{"id":"iem_G_34.660_-98.170_1778380560000","source":"iem","severity":"low","severityValue":25,"timestamp":1778380560000,"latitude":34.66,"longitude":-98.17},{"id":"iem_H_35.100_-98.760_1778375400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375400000,"latitude":35.1,"longitude":-98.76},{"id":"iem_H_34.790_-98.280_1778379300000","source":"iem","severity":"low","severityValue":25,"timestamp":1778379300000,"latitude":34.79,"longitude":-98.28}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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 Lawton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.