Right now
The most recent data we hold from NOAA arrived 65 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 2 July 2026 at 01:45 UTC. It is kept here as a record.
No stronger detection stands among the 217 recorded within 20 km of this point since 15 March 2026 — 70 others scored the same. Another comparable one was recorded here earlier the same day. 25 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 1 at 6:45PM MDT until July 1 at 7:45PM MDT by NWS Rapid City SD
Urban PEI: 73,569 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- June 4, 2026 · score 39 · 3.6 km
- September 7, 2026 · score 32 · 4.8 km
- August 31, 2026 · score 39 · 5.3 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 39 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) | 39 / 100 |
| Legacy data-support index | 0.88/1 |
| Coordinates | 44.1633, -102.9033 |
| Nearest City | Rapid City (28 km) |
| Urban exposure index (PEI) | 73.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-02T00:45:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9de790ccc1a82f078b621ba060758681a4ff8fde.001.1 |
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: 2026-07-02T00:45:00.000Z.
First archived: 2026-07-02T00:59:48.516Z. 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 | Meade, SD; Pennington, SD |
| Headline | Severe Thunderstorm Warning issued July 1 at 6:45PM MDT until July 1 at 7:45PM MDT by NWS Rapid City SD |
| Expires | 2026-07-01T19:45:00-06:00 |
| SenderName | NWS Rapid City SD |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 0.7 |
| Iem Unit | inch |
| Iem City | 1 ESE Black Hawk |
| Iem County | Meade |
| Iem State | SD |
| Iem Wfo | UNR |
| MergedSources | [{"id":"iem_H_44.160_-103.230_1782950640000","source":"iem","severity":"low","severityValue":25,"timestamp":1782950640000,"latitude":44.16,"longitude":-103.23},{"id":"iem_H_44.150_-103.310_1782949560000","source":"iem","severity":"low","severityValue":25,"timestamp":1782949560000,"latitude":44.15,"longitude":-103.31}] |
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 near Rapid City?