Calamity
CriticalSevere WeatherCalamity Score: 63

Severe Weather in United States

GrantUnited StatesNOAA

This alert expired on 21 July 2026 at 20:15 UTC. It is kept here as a record.

It is the strongest of the 20 detections recorded within 20 km of this point since 16 May 2026. The last comparable one was on 18 June 2026.

What the source measured

NOAA reported: Tornado Warning issued July 21 at 3:54PM EDT until July 21 at 4:15PM EDT by NWS Wilmington OH

An estimated 87,566 people live within 50 km of this point.

Nearby, since 16 May 2026

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 79 % 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)63 / 100
Our confidence79%
Coordinates38.5165, -84.4989
Nearest CityGeorgetown (34 km)
Population Exposed87.6K within 50 km
Impact Tiersevere
Timestamp2026-07-21T19:54:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.e0790ddce2ea9aa2b4972d5ec2dc9395

Score Breakdown

95
intensity
55
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescGrant, KY; Pendleton, KY; Harrison, KY; Scott, KY
HeadlineTornado Warning issued July 21 at 3:54PM EDT until July 21 at 4:15PM EDT by NWS Wilmington OH
Expires2026-07-21T16:15:00-04:00
SenderNameNWS Wilmington OH
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.e0790ddce2ea9aa2b4972d5ec2dc939569095c47.002.1","noaa_urn:oid:2.49.0.1.840.0.2516f162d9a18355807726bafa82f685a4539171.001.1"]

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 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.

Want to know when something happens in this area?

Share:XLinkedIn

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 185 scientific monitoring sources.