Right now
The most recent data we hold from NOAA arrived 11 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 21 May 2026 at 20:15 UTC. It is kept here as a record.
No stronger detection stands among the 80 recorded within 20 km of this point since 16 March 2026 — 23 others scored the same. The last comparable one was on 1 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 21 at 3:22PM EDT until May 21 at 4:15PM EDT by NWS Blacksburg VA
Urban PEI: 145,329 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- May 21, 2026 · score 43 · 2.6 km
- July 19, 2026 · score 43 · 11.2 km
- March 16, 2026 · score 43 · 11.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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) | 43 / 100 |
| Legacy data-support index | 0.81/1 |
| Coordinates | 37.2787, -79.2280 |
| Nearest City | West Lynchburg (14 km) |
| Urban exposure index (PEI) | 145.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-21T19:22:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d9259ab377cf2c3b2cf50f1ef676cd60c84552db.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: 2026-05-21T19:22:00.000Z.
First archived: 2026-05-21T19:49:09.030Z. 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 | Bedford, VA; Campbell, VA; City of Lynchburg, VA |
| Headline | Severe Thunderstorm Warning issued May 21 at 3:22PM EDT until May 21 at 4:15PM EDT by NWS Blacksburg VA |
| Expires | 2026-05-21T16:15:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
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.
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