Right now
The most recent data we hold from NOAA arrived 4 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 16 March 2026 at 08:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 37 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 16 at 4:02AM EDT until March 16 at 4:15AM EDT by NWS Morristown TN
An estimated 29,478 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 22, 2026 · score 34 · 21.8 km
- May 22, 2026 · score 43 · 22.5 km
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 76 % 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 | Medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 76% |
| Coordinates | 36.4992, -83.5712 |
| Nearest City | Morristown (41 km) |
| Population Exposed | 29.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T08:02:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.4765ab3ff7d2e4c846d4ca0a870b2046 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Blount, TN; Claiborne, TN; Grainger, TN; Hancock, TN; Knox, TN; Loudon, TN; Monroe, TN; Union, TN; Lee, VA; Breathitt, KY; Floyd, KY; Knott, KY; Magoffin, KY; Cherokee, NC; Blount, TN; McMinn, TN; Monroe, TN; Polk, TN and 7 more areas |
| Headline | Severe Thunderstorm Warning issued March 16 at 4:02AM EDT until March 16 at 4:15AM EDT by NWS Morristown TN |
| Expires | 2026-03-16T04:15:00-04:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4765ab3ff7d2e4c846d4ca0a870b2046d5510d0d.002.1","noaa_urn:oid:2.49.0.1.840.0.64570fbe61d86ce33293c413d7319c793470a726.002.1","noaa_urn:oid:2.49.0.1.840.0.0c01214ae62b68949fa2d44c7ba4463cbb4270c7.001.1","noaa_urn:oid:2.49.0.1.840.0.6d80012d33c6cc864de1e4cbc161410a20c3cef9.001.1","noaa_urn:oid:2.49.0.1.840.0.eeedec40c1a5cde023a607a5384ba0e11030e850.001.1","noaa_urn:oid:2.49.0.1.840.0.9dce6c4cce4a1d5369a524ad3bae5d1afca8e8e6.001.1","noaa_urn:oid:2.49.0.1.840.0.72ac99cd9168e34174ae54161daec7493ce9bc3e.002.1","noaa_urn:oid:2.49.0.1.840.0.02269cbecd65137ae5d4b0bff1a6916b5a9a2fec.001.1","noaa_urn:oid:2.49.0.1.840.0.c9b79b11b7a10ac00d7b62a33581fe74a90ec4a7.001.1","noaa_urn:oid:2.49.0.1.840.0.13075b1561cdcd412168554e866c9e4d1fef80e6.001.1"] |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.