Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

AlleghanyUnited StatesNOAA

This alert expired on 14 May 2026 at 00:00 UTC. It is kept here as a record.

It is the 3rd strongest of the 15 detections recorded within 20 km of this point since 2 April 2026. The last comparable one was on 2 April 2026.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 13 at 6:56PM EDT until May 13 at 8:00PM EDT by NWS Blacksburg VA

An estimated 25,432 people live within 50 km of this point.

Nearby, since 2 April 2026

How we know

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

Our own score for this event is 34 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
SeverityMedium
Calamity Score (ours)34 / 100
Our confidence80%
Coordinates37.7286, -80.0129
Nearest CitySalem (49 km)
Population Exposed25.4K within 50 km
Impact Tiersignificant
Timestamp2026-05-13T22:56:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.110d2812e1a411cc92e6d8ec056c51405662e5c1.001.1

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescAlleghany, VA; Bath, VA; Botetourt, VA; Craig, VA; Rockbridge, VA; City of Covington, VA; Monroe, WV
HeadlineSevere Thunderstorm Warning issued May 13 at 6:56PM EDT until May 13 at 8:00PM EDT by NWS Blacksburg VA
Expires2026-05-13T20:00:00-04:00
SenderNameNWS Blacksburg VA
HasExactCoordstrue

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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Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.