Calamity
CriticalSevere WeatherCalamity Score: 67

Severe Weather in United States

AmherstUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 16 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 22 July 2026 at 04:15 UTC. It is kept here as a record.

No stronger detection stands among the 26 recorded within 20 km of this point since 12 June 2026 — 2 others scored the same. The last comparable one was on 4 July 2026.

What the source measured

NOAA reported: Tornado Warning issued July 21 at 11:28PM EDT until July 22 at 12:15AM EDT by NWS Blacksburg VA

An estimated 191,236 people live within 50 km of this point.

Nearby, since 12 June 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 67 out of 100, at 80 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityCritical
Calamity Score (ours)67 / 100
Our confidence80%
Coordinates37.7700, -79.1947
Nearest CityLynchburg (40 km)
Population Exposed191.2K within 50 km
Impact Tiersevere
Timestamp2026-07-22T03:28:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.20bedae7eb6c24e6cbd9146c757d7961e19107a2.001.1

Score Breakdown

95
intensity
70
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescAmherst, VA; Rockbridge, VA
HeadlineTornado Warning issued July 21 at 11:28PM EDT until July 22 at 12:15AM EDT by NWS Blacksburg VA
Expires2026-07-22T00:15:00-04:00
SenderNameNWS Blacksburg VA
HasExactCoordstrue

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 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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Calamity.live data shows a weather event with CalamityScore 67/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.