Right now
The most recent data we hold from NOAA arrived 80 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 3 July 2026 at 04:37 UTC. It is kept here as a record.
No stronger detection stands among the 10 recorded within 20 km of this point since 8 April 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 2 at 11:27PM CDT until July 2 at 11:30PM CDT by NWS Bismarck ND
How we know
2 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 | 0.64/1 |
| Coordinates | 47.5983, -104.1016 |
| Nearest City | Williston (71 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-03T04:27:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.a11f692fbbd7ce582ed51d6b90ee6307 |
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: 2026-07-03T04:27:00.000Z.
First archived: 2026-07-03T04:28:45.060Z. 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 | Divide, ND; Golden Valley, ND; McKenzie, ND; Billings, ND and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 2 at 11:27PM CDT until July 2 at 11:30PM CDT by NWS Bismarck ND |
| Expires | 2026-07-02T23:37:00-05:00 |
| SenderName | NWS Bismarck ND |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a11f692fbbd7ce582ed51d6b90ee6307b620c5a7.001.1","noaa_urn:oid:2.49.0.1.840.0.a1f6792b191ba0acf3aee0202afb3cd3f2385eb5.001.1","noaa_urn:oid:2.49.0.1.840.0.b479727d10cc4eac84d229e8b7d3ae17bd23ecc4.001.1","noaa_urn:oid:2.49.0.1.840.0.5440320c9db6c36ca3b157839ca7af84801f97ed.002.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 10 NNE Skaar |
| Iem County | McKenzie |
| Iem State | ND |
| Iem Wfo | BIS |
| Iem Remark | Public report relayed by broadcast media. |
| MergedSources | [{"id":"iem_H_47.500_-103.930_1783041900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783041900000,"latitude":47.5,"longitude":-103.93}] |
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?