Right now
The most recent data we hold from NOAA arrived 67 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 10 July 2026 at 00:15 UTC. It is kept here as a record.
It is the 5th strongest of the 23 detections recorded within 20 km of this point since 8 June 2026. The last comparable one was on 10 June 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 9 at 6:46PM CDT until July 9 at 7:15PM CDT by NWS Grand Forks ND
Nearby, since 8 June 2026
- July 9, 2026 · score 22 · 5.5 km
- June 10, 2026 · score 46 · 8.0 km
- June 10, 2026 · score 46 · 16.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
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 | 0.59/1 |
| Coordinates | 48.0762, -99.2408 |
| Nearest City | Jamestown (136 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-09T23:46:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.b21dc7fdec6236c4cafdcdca1d882c8b |
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: 2026-07-09T23:46:00.000Z.
First archived: 2026-07-09T23:47:55.761Z. 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 | Ramsey, ND; Pierce, ND; Wells, ND; Benson, ND; Ramsey, ND and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 9 at 6:46PM CDT until July 9 at 7:15PM CDT by NWS Grand Forks ND |
| Expires | 2026-07-09T19:15:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b21dc7fdec6236c4cafdcdca1d882c8b38ac3f8a.002.1","noaa_urn:oid:2.49.0.1.840.0.03db461b4647d9e8afbef5f060852a278341feb9.001.1","noaa_urn:oid:2.49.0.1.840.0.c6965f1a3af04b4c4505c1050c1a4bb9f49e39a1.001.1","noaa_urn:oid:2.49.0.1.840.0.3d889d77412677d59e1ee4e8fb7c63adcff38695.001.1"] |
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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