Right now
The most recent data we hold from NOAA arrived 11 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 24 June 2026 at 00:00 UTC. It is kept here as a record.
No stronger detection stands among the 42 recorded within 20 km of this point since 15 March 2026 — 2 others scored the same. The last comparable one was on 17 April 2026.
What the source measured
NOAA reported: Tornado Warning issued June 23 at 6:23PM CDT until June 23 at 7:00PM CDT by NWS Twin Cities/Chanhassen MN
Urban PEI: 153,119 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- June 23, 2026 · score 67 · 15.5 km
- April 13, 2026 · score 48 · 18.9 km
- July 2, 2026 · score 43 · 19.0 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 67 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 | Critical |
| Calamity Score (ours) | 67 / 100 |
| Legacy data-support index | 0.88/1 |
| Coordinates | 44.2780, -93.0820 |
| Nearest City | Faribault (15 km) |
| Urban exposure index (PEI) | 153.1K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-23T23:23:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ea42452b5121d89cc086724930920c3221d4a6a3.001.1 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-23T23:23:00.000Z.
First archived: 2026-06-23T23:29:09.929Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Goodhue, MN; Rice, MN |
| Headline | Tornado Warning issued June 23 at 6:23PM CDT until June 23 at 7:00PM CDT by NWS Twin Cities/Chanhassen MN |
| Expires | 2026-06-23T19:00:00-05:00 |
| SenderName | NWS Twin Cities/Chanhassen MN |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 0.5 |
| Iem Unit | Inch |
| Iem City | 1 NW Chaska |
| Iem County | Carver |
| Iem State | MN |
| Iem Wfo | MPX |
| Iem Remark | Report from mPING: Half-inch (0.50 in.). |
| MergedSources | [{"id":"iem_H_44.540_-93.750_1782253680000","source":"iem","severity":"low","severityValue":25,"timestamp":1782253680000,"latitude":44.54,"longitude":-93.75},{"id":"iem_H_44.800_-93.620_1782246420000","source":"iem","severity":"low","severityValue":25,"timestamp":1782246420000,"latitude":44.8,"longitude":-93.62}] |
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.
Review the area, threshold and delivery channel in your account.
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