Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather in United States

GrantUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 10 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 17 May 2026 at 00:15 UTC. It is kept here as a record.

It is the 3rd strongest of the 40 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 16 at 8:01PM EDT until May 16 at 8:15PM EDT by NWS Wilmington OH

An estimated 167,122 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

Confirmed by 4 independent sources, including NOAA.

Our own score for this event is 43 out of 100, at 89 % 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)43 / 100
Our confidence89%
Coordinates38.6371, -84.5633
Nearest CityIndependence (34 km)
Population Exposed167.1K within 50 km
Impact Tiersignificant
Timestamp2026-05-17T00:01:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.fc6d7e278b80d80c6ff7691c42a5c34b

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBoone, KY; Gallatin, KY; Grant, KY; Boone, KY; Campbell, KY; Grant, KY; Kenton, KY; Pendleton, KY
HeadlineSevere Thunderstorm Warning issued May 16 at 8:01PM EDT until May 16 at 8:15PM EDT by NWS Wilmington OH
Expires2026-05-16T20:15:00-04:00
SenderNameNWS Wilmington OH
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.fc6d7e278b80d80c6ff7691c42a5c34b04bc31d2.002.1","noaa_urn:oid:2.49.0.1.840.0.ff67818255edfabfefc9e654456b3af69116a489.001.1"]
Iem TypeSummaryG
Iem Magnitude48
Iem UnitMPH
Iem City1 W Sparta
Iem CountyGallatin
Iem StateKY
Iem WfoILN
Iem RemarkAWOS site K8GK Gallatin County Airport.
Google News RssFeedweather
Google News SourceNameWCPO 9 Cincinnati

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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.