This alert expired on 15 March 2026 at 22:00 UTC. It is kept here as a record.
It is the 8th strongest of the 23 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Snow Squall Warning issued March 15 at 4:21PM CDT until March 15 at 5:00PM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 184,750 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 14, 2026 · score 67 · 14.4 km
- May 19, 2026 · score 76 · 18.9 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 87 % 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) | 43 / 100 |
| Our confidence | 87% |
| Coordinates | 39.0922, -93.8000 |
| Nearest City | Warrensburg (37 km) |
| Population Exposed | 184.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T21:21:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_74f6d0a97c2d7445b44d016dd7b6dcd4747ca6d7_001_1 |
Score Breakdown
Technical Details
| Event | Snow Squall Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Johnson, MO; Lafayette, MO |
| Headline | Snow Squall Warning issued March 15 at 4:21PM CDT until March 15 at 5:00PM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-03-15T17:00:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| Iem TypeSummary | O |
| Iem City | 1 NW Blue Springs |
| Iem County | Jackson |
| Iem State | MO |
| Iem Wfo | EAX |
| Iem Remark | mPING report of tree limbs down near Oxford Drive. |
| MergedSources | [{"id":"iem_N_39.660_-94.090_1773596100000","source":"iem","severity":"low","severityValue":25,"timestamp":1773596100000,"latitude":39.66,"longitude":-94.09},{"id":"iem_O_38.480_-93.560_1773594060000","source":"iem","severity":"low","severityValue":25,"timestamp":1773594060000,"latitude":38.48,"longitude":-93.56},{"id":"iem_O_39.280_-93.970_1773590340000","source":"iem","severity":"low","severityValue":25,"timestamp":1773590340000,"latitude":39.28,"longitude":-93.97},{"id":"iem_N_39.370_-94.360_1773599580000","source":"iem","severity":"low","severityValue":25,"timestamp":1773599580000,"latitude":39.37,"longitude":-94.36},{"id":"iem_O_39.030_-94.290_1773599640000","source":"iem","severity":"low","severityValue":25,"timestamp":1773599640000,"latitude":39.03,"longitude":-94.29}] |
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 43/100, near Warrensburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.