This alert expired on 11 July 2026 at 00:30 UTC. It is kept here as a record.
No stronger detection stands among the 36 recorded within 20 km of this point since 15 March 2026 — 3 others scored the same. The last comparable one was on 10 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 10 at 7:05PM CDT until July 10 at 7:30PM CDT by NWS Springfield MO
Nearby, since 15 March 2026
- June 7, 2026 · score 16 · 4.2 km
- August 27, 2026 · score 16 · 12.8 km
- August 8, 2026 · score 22 · 17.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % 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) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 36.8611, -91.7067 |
| Nearest City | Fort Leonard Wood (103 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-11T00:05:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c2c461b350792d6e39347c155f011e30 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Howell, MO; Shannon, MO; Howell, MO |
| Headline | Severe Thunderstorm Warning issued July 10 at 7:05PM CDT until July 10 at 7:30PM CDT by NWS Springfield MO |
| Expires | 2026-07-10T19:30:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c2c461b350792d6e39347c155f011e30e14d7ce0.002.1","noaa_urn:oid:2.49.0.1.840.0.b91558ae57c609c1d03e4b8fedb0540469dd1968.001.1"] |
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.
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.