Right now
The most recent data we hold from NOAA arrived 4 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 28 July 2026 at 20:00 UTC. It is kept here as a record.
No stronger detection stands among the 31 recorded within 20 km of this point since 1 April 2026 — 15 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 28 at 3:48PM EDT until July 28 at 4:00PM EDT by NWS Jackson KY
Urban PEI: 17,056 within a heuristic 50 km radius; not unique people.
Nearby, since 1 April 2026
- August 3, 2026 · score 34 · 10.4 km
- July 8, 2026 · score 34 · 15.6 km
- August 3, 2026 · score 34 · 16.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 37.4273, -81.0466 |
| Nearest City | Beckley (41 km) |
| Urban exposure index (PEI) | 17.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-28T19:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ffad4c160b53d293e969fa088ef516f6 |
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: 2026-07-28T19:48:00.000Z.
First archived: 2026-07-28T19:53:33.584Z. 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 | Floyd, KY; Knott, KY; Letcher, KY; Pike, KY; Knott, KY; Letcher, KY; Perry, KY; Bland, VA; Carroll, VA; Grayson, VA; Pulaski, VA; Wythe, VA; City of Galax, VA and 7 more areas |
| Headline | Severe Thunderstorm Warning issued July 28 at 3:48PM EDT until July 28 at 4:00PM EDT by NWS Jackson KY |
| Expires | 2026-07-28T16:00:00-04:00 |
| SenderName | NWS Jackson KY |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ffad4c160b53d293e969fa088ef516f654bbbb2f.001.1","noaa_urn:oid:2.49.0.1.840.0.c3e84a3879f3c3d6fa22cb7d86f981cf05d869d1.002.1","noaa_urn:oid:2.49.0.1.840.0.bc3514260472a4e97721cd817e823bc4f9f6c340.001.1","noaa_urn:oid:2.49.0.1.840.0.49057fc73403386af2813722b57841649b7e60ec.002.1","noaa_urn:oid:2.49.0.1.840.0.29ef858db502d8f3893da678622efbc224345129.001.1","noaa_urn:oid:2.49.0.1.840.0.48b8757cf47fc855e6677c03d6713aa18ce8e2dd.002.1","noaa_urn:oid:2.49.0.1.840.0.2556250f32250d6e77f79805e96df3567585e27f.001.1","noaa_urn:oid:2.49.0.1.840.0.8f2a85c6611368790652c219690cd7c7913c6868.001.1","noaa_urn:oid:2.49.0.1.840.0.cc16b5b54c6aa45c40b525108efa276145f25fd8.001.1","noaa_urn:oid:2.49.0.1.840.0.230393b1b7f6c37570584479f29a3af8cd8840ca.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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