Right now
The most recent data we hold from NOAA arrived 3 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 30 June 2026 at 04:15 UTC. It is kept here as a record.
No stronger detection stands among the 32 recorded within 20 km of this point since 15 March 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 29 at 10:25PM CDT until June 29 at 11:15PM CDT by NWS Grand Forks ND
How we know
8 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 28 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 | High |
| Calamity Score (ours) | 28 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 47.0806, -95.3254 |
| Nearest City | Moorhead (112 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-30T03:25:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.aacc5c441f3694c96c62524a8b3d44f4 |
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: 2026-06-30T03:25:00.000Z.
First archived: 2026-06-30T03:26:41.224Z. 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 | Beltrami, MN; Clearwater, MN; Hubbard, MN; Mahnomen, MN; Todd, MN; Mahnomen, MN; Polk, MN |
| Headline | Severe Thunderstorm Warning issued June 29 at 10:25PM CDT until June 29 at 11:15PM CDT by NWS Grand Forks ND |
| Expires | 2026-06-29T23:15:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.aacc5c441f3694c96c62524a8b3d44f4b89a7682.002.1","noaa_urn:oid:2.49.0.1.840.0.cabd96115444359d3ea0ad9319a3bcebaf31d9cd.002.1","noaa_urn:oid:2.49.0.1.840.0.60cb2230fa40a8436311a59aea85ef1fcb146345.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | 5 W Nimrod |
| Spc County | Wadena |
| Spc State | MN |
| Spc Comments | Report from mPING: Quarter (1.00 in.). (FGF) |
| MergedSources | [{"id":"spc_tornado_47.13_-96.18_3","source":"spc","severity":"high","severityValue":78,"timestamp":1782785820000,"latitude":47.13,"longitude":-96.18},{"id":"spc_wind_46.44_-95.13_18","source":"spc","severity":"high","severityValue":70,"timestamp":1782789755906,"latitude":46.44,"longitude":-95.13},{"id":"spc_wind_47.14_-95.21_21","source":"spc","severity":"medium","severityValue":45,"timestamp":1782789755906,"latitude":47.14,"longitude":-95.21},{"id":"spc_wind_47.08_-96.26_89","source":"spc","severity":"medium","severityValue":45,"timestamp":1782785280000,"latitude":47.08,"longitude":-96.26},{"id":"spc_hail_46.48_-95.72_94","source":"spc","severity":"high","severityValue":65,"timestamp":1782789755906,"latitude":46.48,"longitude":-95.72},{"id":"spc_hail_46.43_-95.12_96","source":"spc","severity":"high","severityValue":65,"timestamp":1782789755906,"latitude":46.43,"longitude":-95.12},{"id":"spc_hail_46.63_-94.98_97","source":"spc","severity":"high","severityValue":65,"timestamp":1782789755906,"latitude":46.63,"longitude":-94.98}] |
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.
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