Right now
The most recent data we hold from NOAA arrived 2 hours 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 20:15 UTC. It is kept here as a record.
It is the 5th strongest of the 85 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 28 at 3:11PM EDT until July 28 at 4:15PM EDT by NWS Blacksburg VA
Nearby, since 16 March 2026
- September 22, 2026 · score 28 · 11.3 km
- September 6, 2026 · score 16 · 19.3 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 | 0.60/1 |
| Coordinates | 37.1564, -81.8220 |
| Nearest City | Bristol (70 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-28T19:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.9487af96afad3e7c8fd9574dee694465 |
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: 2026-07-28T19:11:00.000Z.
First archived: 2026-07-28T19:12:42.313Z. 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 | Craig, VA; Montgomery, VA; Roanoke, VA; Monroe, WV; Augusta, VA; Highland, VA; Alexander, NC; Iredell, NC and 7 more areas |
| Headline | Severe Thunderstorm Warning issued July 28 at 3:11PM EDT until July 28 at 4:15PM EDT by NWS Blacksburg VA |
| Expires | 2026-07-28T16:15:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9487af96afad3e7c8fd9574dee69446546e50b53.001.1","noaa_urn:oid:2.49.0.1.840.0.64d82edd5e54b3520782f114ad205ac2fa279b56.001.1","noaa_urn:oid:2.49.0.1.840.0.bb00326cd525849336f38c559874f88c819cf1b9.001.1","noaa_urn:oid:2.49.0.1.840.0.ca288e5307052c2fec8f4fb67eb3e5423cd748c5.002.1","noaa_urn:oid:2.49.0.1.840.0.5e18b881db1e95bdd014f215380c2502cee3aa48.001.1","noaa_urn:oid:2.49.0.1.840.0.26caafb84d7e5599d16e803628ee33c211dd5118.001.1","noaa_urn:oid:2.49.0.1.840.0.57d9c111f3ca64064f227e0cc5bbc42c447631c2.001.1","noaa_urn:oid:2.49.0.1.840.0.9361e9a31ff26ac9a0cddb121c762aa5146f01b9.002.1","noaa_urn:oid:2.49.0.1.840.0.479014cb25e0da48461112e1f36098e9aa5fbf3e.001.1","noaa_urn:oid:2.49.0.1.840.0.bce6c4105eadf9504a2b3ceaa06f525a82c61f3d.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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