This alert expired on 12 June 2026 at 04:15 UTC. It is kept here as a record.
It is the 11th strongest of the 27 detections recorded within 20 km of this point since 27 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 10:31PM CDT until June 11 at 11:15PM CDT by NWS Norman OK
An estimated 119,886 people live within 50 km of this point.
Nearby, since 27 March 2026
- June 19, 2026 · score 43 · 1.5 km
- May 23, 2026 · score 43 · 11.6 km
- June 19, 2026 · score 43 · 16.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 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) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 34.3855, -98.3804 |
| Nearest City | Lawton (25 km) |
| Population Exposed | 119.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T03:31:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.b806b3c4b55c24b552f36a45f37b9717 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Comanche, OK; Cotton, OK; Jefferson, OK; Stephens, OK; Comanche, OK; Jackson, OK; Kiowa, OK; Tillman, OK |
| Headline | Severe Thunderstorm Warning issued June 11 at 10:31PM CDT until June 11 at 11:15PM CDT by NWS Norman OK |
| Expires | 2026-06-11T23:15:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b806b3c4b55c24b552f36a45f37b9717d63a3ef4.001.1","noaa_urn:oid:2.49.0.1.840.0.fa5f7137115a6084e32fac8fad14eead2f5e27c8.002.1","noaa_urn:oid:2.49.0.1.840.0.24f81483445da85ac6ee7757dfe7a477a708a5f4.001.1","noaa_urn:oid:2.49.0.1.840.0.65bbf56812866c1be7f1130b52ee48de6f2c9cb9.001.1"] |
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.
Want to know when something happens near Lawton?
Calamity.live data shows a weather event with CalamityScore 37/100, near Lawton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.