This alert expired on 9 May 2026 at 00:19 UTC. It is kept here as a record.
No stronger detection stands among the 37 recorded within 20 km of this point since 11 March 2026 — 2 others scored the same. 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: Tornado Warning issued May 8 at 7:10PM CDT until May 8 at 7:15PM CDT by NWS Norman OK
An estimated 201,365 people live within 50 km of this point.
Nearby, since 11 March 2026
- May 8, 2026 · score 67 · 3.8 km
- June 21, 2026 · score 43 · 6.1 km
- June 20, 2026 · score 43 · 6.1 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 67 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 | critical |
| Calamity Score (ours) | 67 / 100 |
| Our confidence | 91% |
| Coordinates | 34.2857, -98.6686 |
| Nearest City | Lawton (44 km) |
| Population Exposed | 201.4K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-05-09T00:10:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Tillman, OK |
| Headline | Tornado Warning issued May 8 at 7:10PM CDT until May 8 at 7:15PM CDT by NWS Norman OK |
| Expires | 2026-05-08T19:19:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | Chattanooga |
| Iem County | Comanche |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | Report from mPING: Golf Ball (1.75 in.). |
| MergedSources | [{"id":"iem_H_34.420_-98.650_1778283060000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283060000,"latitude":34.42,"longitude":-98.65},{"id":"iem_H_34.410_-98.660_1778283480000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283480000,"latitude":34.41,"longitude":-98.66},{"id":"iem_H_34.420_-98.650_1778283600000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283600000,"latitude":34.42,"longitude":-98.65},{"id":"iem_H_34.420_-98.650_1778283540000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283540000,"latitude":34.42,"longitude":-98.65},{"id":"iem_H_34.420_-98.650_1778283180000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283180000,"latitude":34.42,"longitude":-98.65},{"id":"iem_H_34.420_-98.650_1778283240000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283240000,"latitude":34.42,"longitude":-98.65}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 67/100, near Lawton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.