This alert expired on 16 March 2026 at 04:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 12 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 15 at 11:16PM EDT until March 16 at 12:00AM EDT by NWS Louisville KY
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 28 out of 100, at 67 % 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
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 28 / 100 |
| Our confidence | 67% |
| Coordinates | 35.1199, -88.2156 |
| Nearest City | Florence (60 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-16T03:16:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7c9baf7605e8580c262bef35eaf17d82 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Breckinridge, KY; Bullitt, KY; Butler, KY; Edmonson, KY; Grayson, KY; Hardin, KY; Hart, KY; Larue, KY; Meade, KY; Nelson, KY; Warren, KY; Cheatham, TN; Dickson, TN; Hickman, TN; Lawrence, TN; Lewis, TN; Maury, TN; Perry, TN; Wayne, TN and 16 more areas |
| Headline | Severe Thunderstorm Warning issued March 15 at 11:16PM EDT until March 16 at 12:00AM EDT by NWS Louisville KY |
| Expires | 2026-03-16T00:00:00-04:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 19 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7c9baf7605e8580c262bef35eaf17d828d483695.001.1","noaa_urn:oid:2.49.0.1.840.0.e3604bd26d6da8cea431f02b920803f957f4f13c.002.1","noaa_urn:oid:2.49.0.1.840.0.1632523a33a59abe7123f04848107ddb74460044.001.1","noaa_urn:oid:2.49.0.1.840.0.4f1cc7769aa8c82e32777b9f6498f935712213de.001.1","noaa_urn:oid:2.49.0.1.840.0.32111ae33082b775a86e38ad9c73ea4bcc1c4881.001.1","noaa_urn:oid:2.49.0.1.840.0.f838751b13613a1036584d22bb7e53cae4fa5a66.001.1","noaa_urn:oid:2.49.0.1.840.0.d930b4b223fabf1b05297b47ac50e88b67b4dafe.001.1","noaa_urn:oid:2.49.0.1.840.0.4c4c1a6b699671bd5a28a46c14c5d194c2231605.001.1","noaa_urn:oid:2.49.0.1.840.0.bc11f2c495f84d2c15b35aec0276b772bba8b1df.001.1","noaa_urn:oid:2.49.0.1.840.0.c392a757d726cb5315f4e9a9f1334c059708a3c2.001.1","noaa_urn:oid:2.49.0.1.840.0.94de1248ebf42a888ced16a6a17b47320275fc9a.001.1","noaa_urn:oid:2.49.0.1.840.0.aea83e2f8ff17d661f76e7462814727167d95b01.001.1","noaa_urn:oid:2.49.0.1.840.0.901be8f570c36800b7278aab9e8ecfd09c23afbc.001.1","noaa_urn:oid:2.49.0.1.840.0.b9edb19f495f42187622dd27a7e2f8d2bcfd7ee0.001.1","noaa_urn:oid:2.49.0.1.840.0.7f6f09ae26f3cb02604671de4b0c7014dddcb810.001.1","noaa_urn:oid:2.49.0.1.840.0.ca516b6bf4f7f59cce1dcfec73a59e2c1a4d7612.001.1","noaa_urn:oid:2.49.0.1.840.0.6e080baae2482eeb47d87e3b455f0e8768ab0b1a.002.1","noaa_urn:oid:2.49.0.1.840.0.93c2ebe7d9b8f78fbf319050170817a3ce624d90.001.1","noaa_urn:oid:2.49.0.1.840.0.b80a70f166ae1d9188fb1afe2801740f4b63f865.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | 3 ESE Kossuth |
| Spc County | Alcorn |
| Spc State | MS |
| Spc Comments | (MEG) |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 3 ESE Kossuth |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 28/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.