Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is in it.
7 other detections within 20 km in the last 24 hours, the nearest 6 km from here.
This alert expired on 21 September 2026 at 22:22 UTC. It is kept here as a record.
It is the 6th strongest of the 39 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 21 at 6:12PM EDT until September 21 at 6:15PM EDT by NWS Blacksburg VA
Nearby, since 17 March 2026
- August 7, 2026 · score 22 · 14.0 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 28 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 28 / 100 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 36.6978, -80.8326 |
| Nearest City | Radford (53 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-21T22:12:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.164a050e2894a9b1d4d39387cfcd098874ff610b.001.1 |
Physical priority index · v5. 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: 2026-09-21T22:12:00.000Z.
First archived: 2026-09-21T22:14:16.244Z. 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 | Giles, VA; Monroe, WV; Lawrence, KY; Wayne, WV; Sullivan, TN; Scott, VA; Washington, VA; City of Bristol, VA and 5 more areas |
| Headline | Severe Thunderstorm Warning issued September 21 at 6:12PM EDT until September 21 at 6:15PM EDT by NWS Blacksburg VA |
| Expires | 2026-09-21T18:22:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.164a050e2894a9b1d4d39387cfcd098874ff610b.001.1","noaa_urn:oid:2.49.0.1.840.0.db33994aec945cdbe16a89959848270edb1bd85b.002.1","noaa_urn:oid:2.49.0.1.840.0.c6473e738da639e2689964f850092866e101bf67.001.1","noaa_urn:oid:2.49.0.1.840.0.40b19a551bab7eb12c9e03d106916454afc35e7b.001.1","noaa_urn:oid:2.49.0.1.840.0.af55657ca94a1793bfdb567659af0fc2aa1caeea.002.1","noaa_urn:oid:2.49.0.1.840.0.5568aa584de8de262b636782a63a65b9c1417a29.002.1","noaa_urn:oid:2.49.0.1.840.0.69e546fd0fd5b605b0cb0fa7d8923062acaa4614.001.1","noaa_urn:oid:2.49.0.1.840.0.fef8076de3aa7f0ff28cc2a0e27de2f51ec71518.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 125 |
| Spc Location | 4 S Endicott |
| Spc County | Patrick |
| Spc State | VA |
| Spc Comments | Hail with a diameter slightly larger than a quarter observed near Endicott. (RNK) |
| Iem TypeSummary | D |
| Iem City | 3 SSW Woodville |
| Iem County | Surry |
| Iem State | NC |
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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