This alert expired on 11 August 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 45 recorded within 20 km of this point since 18 June 2026 — 10 others scored the same. 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 August 11 at 6:48PM EDT until August 11 at 7:00PM EDT by NWS Jackson KY
An estimated 794,005 people live within 50 km of this point.
Nearby, since 18 June 2026
- July 11, 2026 · score 48 · 5.0 km
- June 27, 2026 · score 48 · 6.9 km
- July 21, 2026 · score 41 · 8.5 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 90% |
| Coordinates | 37.9218, -84.5378 |
| Nearest City | Nicholasville (5 km) |
| Population Exposed | 794.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T22:48:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.92047641f7a32d94b7817505c4b59841 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Floyd, KY; Knott, KY; Letcher, KY; Magoffin, KY; Martin, KY; Pike, KY; Buchanan, VA; Dickenson, VA; Boone, WV; Fayette, WV; Kanawha, WV; Logan, WV; McDowell, WV; Mingo, WV; Raleigh, WV; Wyoming, WV; Bell, KY; Clay, KY; Harlan, KY; Knott, KY; Knox, KY; Leslie, KY; Letcher, KY; Perry, KY and 7 more areas |
| Headline | Severe Thunderstorm Warning issued August 11 at 6:48PM EDT until August 11 at 7:00PM EDT by NWS Jackson KY |
| Expires | 2026-08-11T19:00:00-04:00 |
| SenderName | NWS Jackson KY |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.92047641f7a32d94b7817505c4b59841444616d7.002.1","noaa_urn:oid:2.49.0.1.840.0.e428643b82a6e911fc8e622fdf0e55c8b2192c74.002.1","noaa_urn:oid:2.49.0.1.840.0.567353e3e78b6fb6c586eb6d6c3840b4b748a84a.001.1","noaa_urn:oid:2.49.0.1.840.0.890d58a05e1cf2da60e429affc64e485de98754c.001.1","noaa_urn:oid:2.49.0.1.840.0.395817acd01e0a07404e66ffb54b0e38d16170fe.001.1","noaa_urn:oid:2.49.0.1.840.0.1f7bd3d728d4d87b79b397dddafb2cce57be796e.001.1","noaa_urn:oid:2.49.0.1.840.0.1c11b8a5b7bae544e9b6aae9120ba620255eb718.001.1","noaa_urn:oid:2.49.0.1.840.0.e32b9c37f8807207ec96b0af239bf9b2f7e7f2f6.001.1","noaa_urn:oid:2.49.0.1.840.0.bf8ebd0511464a1ec0b09f02b086fd15f6389bd7.001.1","noaa_urn:oid:2.49.0.1.840.0.e49ae6a3ccefb1611b430f87dc424aa03f25b145.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 81 |
| Iem Unit | MPH |
| Iem City | Carlisle |
| Iem County | Nicholas |
| Iem State | KY |
| Iem Wfo | LMK |
| Iem Remark | Nicholas County Kentucky Mesonet. |
| MergedSources | [{"id":"iem_G_38.500_-84.350_1786479900000","source":"iem","severity":"low","severityValue":25,"timestamp":1786479900000,"latitude":38.5,"longitude":-84.35},{"id":"iem_G_38.320_-84.040_1786481400000","source":"iem","severity":"low","severityValue":25,"timestamp":1786481400000,"latitude":38.32,"longitude":-84.04}] |
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 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 Nicholasville?
Calamity.live data shows a weather event with CalamityScore 48/100, near Nicholasville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.