This alert expired on 11 March 2026 at 01:00 UTC. It is kept here as a record.
It is the strongest of the 37 detections recorded within 20 km of this point since 11 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 10 at 7:30PM CDT until March 10 at 8:00PM CDT by NWS Fort Worth TX
An estimated 136,374 people live within 50 km of this point.
Nearby, since 11 March 2026
- May 10, 2026 · score 43 · 9.2 km
- August 1, 2026 · score 43 · 17.9 km
- June 6, 2026 · score 43 · 20.2 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 49 out of 100, at 88 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | high |
| Calamity Score (ours) | 49 / 100 |
| Our confidence | 88% |
| Coordinates | 34.7672, -98.2871 |
| Nearest City | Lawton (20 km) |
| Population Exposed | 136.4K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-11T00:30:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Palo Pinto, TX; Stephens, TX; Comanche, OK; Cotton, OK; Kiowa, OK; Tillman, OK; Eastland, TX and 4 more areas |
| Headline | Severe Thunderstorm Warning issued March 10 at 7:30PM CDT until March 10 at 8:00PM CDT by NWS Fort Worth TX |
| Expires | 2026-03-10T20:00:00-05:00 |
| SenderName | NWS Fort Worth TX |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.32af65b066617ad4927c4a8cc136a01e0c764dec.001.1","noaa_urn:oid:2.49.0.1.840.0.e3a9215a464916f9dbb801e59a7a5727c1d28c8c.001.1","noaa_urn:oid:2.49.0.1.840.0.95e5fbd76037252182d6feaf2a2e463128df7949.001.1","noaa_urn:oid:2.49.0.1.840.0.0a1ba9408c327853c747dbbbaa596f263313a1d3.001.1","noaa_urn:oid:2.49.0.1.840.0.4a37ccd538b5aefe59f1f33f76f76f0c131f6a30.001.1","noaa_urn:oid:2.49.0.1.840.0.2a362639cd009fcac12de962a9658ae8f5700406.001.1","noaa_urn:oid:2.49.0.1.840.0.82947533a01cee5b7d8cadb3628e92ff047dc79c.001.1","noaa_urn:oid:2.49.0.1.840.0.87f9acbd52f29107b4a4a659b439efa65a6569f8.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 125 |
| Spc Location | Walters |
| Spc County | Cotton |
| Spc State | OK |
| Spc Comments | Report from mPING: Half Dollar (1.25 in.). (OUN) |
| MergedSources | [{"id":"spc_hail_35.33_-98.12_64","source":"spc","severity":"high","severityValue":65,"timestamp":1773189169059,"latitude":35.33,"longitude":-98.12},{"id":"spc_hail_34.36_-98.31_98","source":"spc","severity":"high","severityValue":65,"timestamp":1773189169059,"latitude":34.36,"longitude":-98.31}] |
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 49/100, near Lawton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.