Right now
The most recent data we hold from NOAA arrived 13 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 12 June 2026 at 02:00 UTC. It is kept here as a record.
It is the 7th strongest of the 551 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. 50 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Watch issued June 11 at 6:53PM CDT until June 11 at 9:00PM CDT by NWS Quad Cities IA IL
An estimated 450,012 people live within 50 km of this point.
Nearby, since 10 March 2026
- August 13, 2026 · score 43 · 0.0 km
- August 12, 2026 · score 43 · 0.0 km
- August 9, 2026 · score 43 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 55 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 55 / 100 |
| Our confidence | 80% |
| Coordinates | 40.6000, -89.4000 |
| Nearest City | Morton (5 km) |
| Population Exposed | 450.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T23:53:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Watch_noaa_urn:oid:2.49.0.1.840.0.73259abe07c730149089e21878361c98 |
Score Breakdown
Technical Details
| Event | Tornado Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Bureau, IL; Putnam, IL; Adams, IL; Brown, IL; Pike, IL; Marion, MO; Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL; Calumet Harbor IL to Gary IN; Gary to Burns Harbor IN; Burns Harbor to Michigan City IN; Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake and 4 more areas |
| Headline | Tornado Watch issued June 11 at 6:53PM CDT until June 11 at 9:00PM CDT by NWS Quad Cities IA IL |
| Expires | 2026-06-11T21:00:00-05:00 |
| SenderName | NWS Quad Cities IA IL |
| HasExactCoords | false |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.73259abe07c730149089e21878361c981f723604.002.1","noaa_urn:oid:2.49.0.1.840.0.03839d969117b676e13a747bce80b00b15d0469b.002.1","noaa_urn:oid:2.49.0.1.840.0.ef1396b2c506f85d975ffd51ee84c6f2b78edd1c.002.1","noaa_urn:oid:2.49.0.1.840.0.ef1396b2c506f85d975ffd51ee84c6f2b78edd1c.001.1","noaa_urn:oid:2.49.0.1.840.0.593364db3f2d510b716d2a8abfbe41adb64613e2.001.2","noaa_urn:oid:2.49.0.1.840.0.593364db3f2d510b716d2a8abfbe41adb64613e2.002.1","noaa_urn:oid:2.49.0.1.840.0.70c6f1351b521d4a355b48481b23a362c072e483.002.1"] |
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 8 March 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.
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