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 4 July 2026 at 21:15 UTC. It is kept here as a record.
No stronger detection stands among the 16 recorded within 20 km of this point since 15 March 2026 — 4 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 July 4 at 4:00PM CDT until July 4 at 4:15PM CDT by NWS Duluth MN
How we know
5 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 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) | 22 / 100 |
| Legacy data-support index | 0.69/1 |
| Coordinates | 45.9993, -94.5874 |
| Nearest City | Sartell (51 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-04T21:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.e0c6a31ab473dbf399adf400f5574cd3 |
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: 2026-07-04T21:00:00.000Z.
First archived: 2026-07-04T21:01:40.645Z. 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 | Aitkin, MN; Stearns, MN; Todd, MN and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 4 at 4:00PM CDT until July 4 at 4:15PM CDT by NWS Duluth MN |
| Expires | 2026-07-04T16:15:00-05:00 |
| SenderName | NWS Duluth MN |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e0c6a31ab473dbf399adf400f5574cd3fe6f0b87.001.1","noaa_urn:oid:2.49.0.1.840.0.6dbf4a30bf89357c81747bdae699080b1eef268c.001.1","noaa_urn:oid:2.49.0.1.840.0.10ce3132b1c2d77ad6c2356cb606d48e290a8344.001.1","noaa_urn:oid:2.49.0.1.840.0.3fc90b6f8f82631841be749a520263381c513771.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | Clarissa |
| Iem County | Todd |
| Iem State | MN |
| Iem Wfo | MPX |
| MergedSources | [{"id":"iem_H_45.810_-94.960_1783197000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783197000000,"latitude":45.81,"longitude":-94.96},{"id":"iem_D_46.130_-94.950_1783195500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783195500000,"latitude":46.13,"longitude":-94.95},{"id":"iem_H_46.010_-94.870_1783197300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783197300000,"latitude":46.01,"longitude":-94.87},{"id":"iem_H_46.130_-94.950_1783195500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783195500000,"latitude":46.13,"longitude":-94.95}] |
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.
Want to know when something happens in this area?