Right now
The most recent data we hold from NOAA arrived 13 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 27 July 2026 at 02:00 UTC. It is kept here as a record.
No stronger detection stands among the 98 recorded within 20 km of this point since 16 March 2026 — 25 others scored the same. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 26 at 9:46PM EDT until July 26 at 10:00PM EDT by NWS Blacksburg VA
Urban PEI: 145,329 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- September 12, 2026 · score 37 · 4.2 km
- May 27, 2026 · score 43 · 13.7 km
- September 11, 2026 · score 37 · 14.6 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 | 37.3054, -79.0158 |
| Nearest City | Lynchburg (16 km) |
| Urban exposure index (PEI) | 145.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-27T01:46:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.9497e448597c9c833faaca14a897df03 |
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: 2026-07-27T01:46:00.000Z.
First archived: 2026-07-27T01:56:30.205Z. 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 | Rockingham, NC; Henry, VA; City of Martinsville, VA; Buckingham, VA; Bedford, VA; Pittsylvania, VA and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 26 at 9:46PM EDT until July 26 at 10:00PM EDT by NWS Blacksburg VA |
| Expires | 2026-07-26T22:00:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9497e448597c9c833faaca14a897df03b609bc83.001.1","noaa_urn:oid:2.49.0.1.840.0.1649fb1408f9606d870a2d543b868b87db257dea.001.1","noaa_urn:oid:2.49.0.1.840.0.e17e6b7a30edd8364b896f0363087f9950371737.001.1","noaa_urn:oid:2.49.0.1.840.0.c678bfe4258522c7752024c6a8842c5141f23068.001.1"] |
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.
Review the area, threshold and delivery channel in your account.
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