This alert expired on 16 March 2026 at 10:00 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. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 16 at 5:06AM EDT until March 16 at 6:00AM EDT by NWS Morristown TN
Nearby, since 16 March 2026
- July 29, 2026 · score 46 · 5.4 km
- July 2, 2026 · score 22 · 12.4 km
- June 14, 2026 · score 16 · 14.0 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 22 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 | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 67% |
| Coordinates | 35.1174, -84.0253 |
| Nearest City | Maryville (72 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-16T09:06:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7619aff81f03bea5991566034bcb78c9 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Carter, TN; Greene, TN; Hawkins, TN; Sullivan, TN; Washington, TN; Russell, VA; Scott, VA; Washington, VA; Wise, VA; City of Bristol, VA; City of Norton, VA; Blount, TN; Jefferson, TN; Sevier, TN; Greene, TN; Hawkins, TN; Sullivan, TN; Scott, VA; Wise, VA; City of Norton, VA and 11 more areas |
| Headline | Severe Thunderstorm Warning issued March 16 at 5:06AM EDT until March 16 at 6:00AM EDT by NWS Morristown TN |
| Expires | 2026-03-16T06:00:00-04:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
| MergedCount | 14 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7619aff81f03bea5991566034bcb78c9c37bcad9.001.1","noaa_urn:oid:2.49.0.1.840.0.d1551953b2dfb0dba43d1c7320577d48db7a9299.002.1","noaa_urn:oid:2.49.0.1.840.0.c6cc95d78e9538272046b472bd447fb4d4ece0f0.002.1","noaa_urn:oid:2.49.0.1.840.0.32ee43586259f1e20180d7b936dc93884ede372d.002.1","noaa_urn:oid:2.49.0.1.840.0.5c8447ea181272551a45ea64c852751b0b4756ae.001.1","noaa_urn:oid:2.49.0.1.840.0.3254e0b06f02cb212cffaa61ba7b0c58b72b0ba8.001.1","noaa_urn:oid:2.49.0.1.840.0.24b809040febcd39ec6fabe0477f5501e77bde87.001.1","noaa_urn:oid:2.49.0.1.840.0.5f9d62f78fba34bd846404be2bfe91c0880cbd93.001.1","noaa_urn:oid:2.49.0.1.840.0.f154e3cd843054a1e538dfbd004d70ac23272a37.001.1","noaa_urn:oid:2.49.0.1.840.0.025719bec05a4823d07f16dea5a1eb9091784fec.001.1","noaa_urn:oid:2.49.0.1.840.0.59a3c22b8d304f99b9caf8e39658efc0befec786.001.1","noaa_urn:oid:2.49.0.1.840.0.9b9d8ec8031bce07a2b95c1bfff534ac8b331559.002.1","noaa_urn:oid:2.49.0.1.840.0.5c3754325485020864ebb39d0240a9156e391b33.001.1","noaa_urn:oid:2.49.0.1.840.0.bacd12cecac92ee0e24ad96964b7acd05ac4cfb3.002.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 3 S Maryville |
| Spc County | Blount |
| Spc State | TN |
| Spc Comments | Trees down. (MRX) |
| MergedSources | [{"id":"spc_wind_35.35_-84.54_334","source":"spc","severity":"medium","severityValue":45,"timestamp":1773648000000,"latitude":35.35,"longitude":-84.54},{"id":"spc_wind_35.54_-84.27_344","source":"spc","severity":"medium","severityValue":45,"timestamp":1773649320000,"latitude":35.54,"longitude":-84.27},{"id":"spc_wind_35.71_-83.97_346","source":"spc","severity":"medium","severityValue":45,"timestamp":1773650880000,"latitude":35.71,"longitude":-83.97}] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.