This alert expired on 15 March 2026 at 14:15 UTC. It is kept here as a record.
No stronger detection stands among the 72 recorded within 20 km of this point since 15 March 2026 — 6 others scored the same. 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: Severe Thunderstorm Warning issued March 15 at 8:39AM CDT until March 15 at 9:15AM CDT by NWS Lincoln IL
An estimated 317,347 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 13, 2026 · score 43 · 6.9 km
- May 18, 2026 · score 43 · 16.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 78 % 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 | 78% |
| Coordinates | 40.4017, -89.7106 |
| Nearest City | Pekin (20 km) |
| Population Exposed | 317.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T13:39:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe-Thunderstorm-Warning_noaa_urn-oid-2_49_0_1_840_0_8955e28a14f531eef6a98a79e9db7443 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Peoria, IL; Tazewell, IL; Mason, IL |
| Headline | Severe Thunderstorm Warning issued March 15 at 8:39AM CDT until March 15 at 9:15AM CDT by NWS Lincoln IL |
| Expires | 2026-03-15T09:15:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8955e28a14f531eef6a98a79e9db744352206093.001.1","noaa_urn:oid:2.49.0.1.840.0.7aca8c9df542b4c2f9ebb4b8ce29e62a04717d84.002.1"] |
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 43/100, near Pekin (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.