Right now
The most recent data we hold from NOAA arrived 51 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 19 June 2026 at 22:30 UTC. It is kept here as a record.
It is the 5th strongest of the 42 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 19 at 5:03PM CDT until June 19 at 5:30PM CDT by NWS Twin Cities/Chanhassen MN
Urban PEI: 463,577 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- June 10, 2026 · score 32 · 13.8 km
- June 19, 2026 · score 58 · 20.2 km
How we know
6 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 43 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 | Medium |
| Calamity Score (ours) | 43 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 45.4487, -92.9341 |
| Nearest City | Forest Lake (19 km) |
| Urban exposure index (PEI) | 463.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-19T22:03:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.45a1079a9beee3441f1fb287e7d9c37d |
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: 2026-06-19T22:03:00.000Z.
First archived: 2026-06-19T22:06:45.251Z. 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 | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Anoka, MN; Northeast Hennepin, MN; Central Hennepin, MN; East Hennepin, MN; Ramsey, MN; Pine, MN; Burnett, WI; Chisago, MN; Polk, WI |
| Headline | Severe Thunderstorm Warning issued June 19 at 5:03PM CDT until June 19 at 5:30PM CDT by NWS Twin Cities/Chanhassen MN |
| Expires | 2026-06-19T17:30:00-05:00 |
| SenderName | NWS Twin Cities/Chanhassen MN |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.45a1079a9beee3441f1fb287e7d9c37d02940d9f.002.1","noaa_urn:oid:2.49.0.1.840.0.a96af2468db1438b43774a2414f8b3cab80a4273.001.1","noaa_urn:oid:2.49.0.1.840.0.4a33c5e7e90bbe3a91e1ed9e0dcc2c744572a99c.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 0.88 |
| Iem Unit | Inch |
| Iem City | Hanover |
| Iem County | Wright |
| Iem State | MN |
| Iem Wfo | MPX |
| Google News RssFeed | weather |
| Google News SourceName | FOX 9 Minneapolis-St. Paul |
| MergedSources | [{"id":"iem_H_45.090_-93.550_1781904960000","source":"iem","severity":"low","severityValue":25,"timestamp":1781904960000,"latitude":45.09,"longitude":-93.55},{"id":"iem_H_45.120_-93.550_1781905320000","source":"iem","severity":"low","severityValue":25,"timestamp":1781905320000,"latitude":45.12,"longitude":-93.55},{"id":"iem_H_45.150_-93.660_1781905020000","source":"iem","severity":"low","severityValue":25,"timestamp":1781905020000,"latitude":45.15,"longitude":-93.66},{"id":"iem_H_45.160_-93.670_1781904000000","source":"iem","severity":"low","severityValue":25,"timestamp":1781904000000,"latitude":45.16,"longitude":-93.67},{"id":"gnews_weather_494972_113","source":"google_news","severity":"medium","severityValue":40,"timestamp":1781901088000,"latitude":44.98,"longitude":-93.26}] |
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 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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