This alert expired on 22 July 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 25 recorded within 20 km of this point since 12 March 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued July 21 at 7:49PM EDT until July 21 at 8:15PM EDT by NWS Baltimore MD/Washington DC
An estimated 67,608 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 4, 2026 · score 39 · 7.8 km
- July 21, 2026 · score 28 · 13.6 km
- March 12, 2026 · score 39 · 16.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 63 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 80% |
| Coordinates | 38.8450, -78.7450 |
| Nearest City | Harrisonburg (45 km) |
| Population Exposed | 67.6K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-07-21T23:49:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.5a62b62fc5052a26f03a0ac0fd32c7ff |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Shenandoah, VA; Rockingham, VA; Shenandoah, VA; Hardy, WV; Pendleton, WV |
| Headline | Tornado Warning issued July 21 at 7:49PM EDT until July 21 at 8:15PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-07-21T20:15:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5a62b62fc5052a26f03a0ac0fd32c7ff10539fe1.001.1","noaa_urn:oid:2.49.0.1.840.0.b5acbd2865744f03a01f5916ca46eda1fe3d6ac7.001.1"] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
Series begins 10 February 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.
Want to know when something happens near Harrisonburg?
Calamity.live data shows a weather event with CalamityScore 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.