This alert expired on 11 March 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 49 recorded within 20 km of this point since 10 March 2026 — one other scored the same. The last comparable one was on 10 March 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued March 10 at 7:04PM CDT until March 10 at 7:15PM CDT by NWS Quad Cities IA IL
An estimated 53,540 people live within 50 km of this point.
Nearby, since 10 March 2026
- August 10, 2026 · score 63 · 1.3 km
- March 10, 2026 · score 58 · 3.6 km
- June 25, 2026 · score 39 · 6.9 km
How we know
Confirmed by 29 independent sources, including NOAA.
Our own score for this event is 63 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 | critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 88% |
| Coordinates | 41.2263, -88.6302 |
| Nearest City | Ottawa (22 km) |
| Population Exposed | 53.5K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-11T00:04:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bureau, IL; Kankakee, IL; Lake, IN; Newton, IN |
| Headline | Tornado Warning issued March 10 at 7:04PM CDT until March 10 at 7:15PM CDT by NWS Quad Cities IA IL |
| Expires | 2026-03-10T19:15:00-05:00 |
| SenderName | NWS Quad Cities IA IL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.035439fc3b0fe31895fff7a313659c12c3529325.002.1","noaa_urn:oid:2.49.0.1.840.0.e2c5cf852158b467eedc7abdf535c798838fd074.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 300 |
| Spc Location | Kankakee |
| Spc County | Kankakee |
| Spc State | IL |
| Spc Comments | 3 inch diameter hail reported in Kankakee. Relayed via amateur radio. (LOT) |
| MergedSources | [{"id":"spc_wind_40.90_-88.63_0","source":"spc","severity":"medium","severityValue":45,"timestamp":1773187640991,"latitude":40.9,"longitude":-88.63},{"id":"spc_wind_41.68_-88.07_2","source":"spc","severity":"medium","severityValue":45,"timestamp":1773187640991,"latitude":41.68,"longitude":-88.07},{"id":"spc_hail_40.88_-88.86_10","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":40.88,"longitude":-88.86},{"id":"spc_hail_40.93_-88.65_11","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":40.93,"longitude":-88.65},{"id":"spc_hail_40.96_-88.66_14","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":40.96,"longitude":-88.66},{"id":"spc_hail_40.97_-88.47_17","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":40.97,"longitude":-88.47},{"id":"spc_hail_41.53_-88.41_18","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.53,"longitude":-88.41},{"id":"spc_hail_40.95_-88.62_19","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":40.95,"longitude":-88.62},{"id":"spc_hail_41.56_-88.28_23","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.56,"longitude":-88.28},{"id":"spc_hail_40.97_-88.57_24","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":40.97,"longitude":-88.57},{"id":"spc_hail_41.62_-88.23_25","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.62,"longitude":-88.23},{"id":"spc_hail_41.64_-88.20_27","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.64,"longitude":-88.2},{"id":"spc_hail_41.63_-88.23_28","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.63,"longitude":-88.23},{"id":"spc_hail_41.68_-88.14_30","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.68,"longitude":-88.14},{"id":"spc_hail_41.02_-88.25_31","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.02,"longitude":-88.25},{"id":"spc_hail_41.02_-88.31_33","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.02,"longitude":-88.31},{"id":"spc_hail_41.05_-88.29_34","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.05,"longitude":-88.29},{"id":"spc_hail_41.05_-88.28_35","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.05,"longitude":-88.28},{"id":"spc_hail_41.69_-88.15_36","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.69,"longitude":-88.15},{"id":"spc_hail_41.69_-88.12_37","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.69,"longitude":-88.12},{"id":"spc_hail_41.06_-88.13_38","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.06,"longitude":-88.13},{"id":"spc_hail_41.69_-88.11_39","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.69,"longitude":-88.11},{"id":"spc_hail_41.71_-88.07_40","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.71,"longitude":-88.07},{"id":"spc_hail_41.06_-88.19_41","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.06,"longitude":-88.19},{"id":"spc_hail_41.74_-88.05_42","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.74,"longitude":-88.05},{"id":"spc_hail_41.07_-88.18_45","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.07,"longitude":-88.18},{"id":"spc_hail_41.14_-88.04_52","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.14,"longitude":-88.04},{"id":"spc_hail_41.12_-87.86_73","source":"spc","severity":"high","severityValue":65,"timestamp":1773187640991,"latitude":41.12,"longitude":-87.86}] |
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 63/100, near Ottawa (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.