This alert expired on 16 March 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 109 recorded within 20 km of this point since 15 March 2026 — 29 others scored the same.
What the source measured
NOAA reported: Tornado Watch issued March 15 at 1:33PM CDT until March 15 at 8:00PM CDT by NWS Springfield MO
An estimated 42,595 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 1, 2026 · score 46 · 0.0 km
- July 21, 2026 · score 28 · 0.0 km
- July 9, 2026 · score 34 · 0.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 83 % 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) | 46 / 100 |
| Our confidence | 83% |
| Coordinates | 38.5000, -92.3000 |
| Nearest City | Jefferson City (14 km) |
| Population Exposed | 42.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T18:33:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_eca1b3342e023f9d893ae569ed86c1a7a9a684c6_001_1 |
Score Breakdown
Technical Details
| Event | Tornado Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Camden, MO; Christian, MO; Dent, MO; Douglas, MO; Howell, MO; Laclede, MO; Maries, MO; Miller, MO; Oregon, MO; Ozark, MO; Phelps, MO; Pulaski, MO; Shannon, MO; Stone, MO; Taney, MO; Texas, MO; Webster, MO; Wright, MO |
| Headline | Tornado Watch issued March 15 at 1:33PM CDT until March 15 at 8:00PM CDT by NWS Springfield MO |
| Expires | 2026-03-15T20:00:00-05:00 |
| SenderName | NWS Springfield MO |
| HasExactCoords | false |
| Iem TypeSummary | O |
| Iem City | 3 NNW Columbia |
| Iem County | Boone |
| Iem State | MO |
| Iem Wfo | LSX |
| Iem Remark | Tree down along Creasy Springs Road near the Bear Creek bridge, blocking one lane of traffic. |
| MergedSources | [{"id":"iem_O_38.990_-92.350_1773599700000","source":"iem","severity":"low","severityValue":25,"timestamp":1773599700000,"latitude":38.99,"longitude":-92.35}] |
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 46/100, near Jefferson City (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.