Right now
The most recent data we hold from NOAA arrived 1 minute 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 09:15 UTC. It is kept here as a record.
It is the 21st strongest of the 47 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 4:58AM EDT until March 16 at 5:15AM EDT by NWS Morristown TN
An estimated 28,464 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 23, 2026 · score 34 · 11.6 km
- July 3, 2026 · score 39 · 12.3 km
- September 4, 2026 · score 28 · 12.6 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 87 % 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 | 87% |
| Coordinates | 35.3991, -83.9201 |
| Nearest City | Maryville (40 km) |
| Population Exposed | 28.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T08:58:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c6cc95d78e9538272046b472bd447fb4 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Greene, TN; Hawkins, TN; Sullivan, TN; Scott, VA; Wise, VA; City of Norton, VA; Pike, KY; Lawrence, OH; Boone, WV; Cabell, WV; Kanawha, WV; Lincoln, WV; Mason, WV; Putnam, WV; Wayne, WV and 14 more areas |
| Headline | Severe Thunderstorm Warning issued March 16 at 4:58AM EDT until March 16 at 5:15AM EDT by NWS Morristown TN |
| Expires | 2026-03-16T05:15:00-04:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
| MergedCount | 17 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c6cc95d78e9538272046b472bd447fb4d4ece0f0.002.1","noaa_urn:oid:2.49.0.1.840.0.99b03d68541d2a477d21060f11c3546996ce7bee.001.1","noaa_urn:oid:2.49.0.1.840.0.32ee43586259f1e20180d7b936dc93884ede372d.002.1","noaa_urn:oid:2.49.0.1.840.0.a1d17272b09c90753e7d7d4c4a493c0f5734fbcc.001.1","noaa_urn:oid:2.49.0.1.840.0.5c8447ea181272551a45ea64c852751b0b4756ae.001.1","noaa_urn:oid:2.49.0.1.840.0.f154e3cd843054a1e538dfbd004d70ac23272a37.001.1","noaa_urn:oid:2.49.0.1.840.0.89413393a2327c51b98166e21dd1312432dab84d.001.1","noaa_urn:oid:2.49.0.1.840.0.2e1c5004e941abd132a04935422cd93ace97c347.002.1","noaa_urn:oid:2.49.0.1.840.0.025719bec05a4823d07f16dea5a1eb9091784fec.001.1","noaa_urn:oid:2.49.0.1.840.0.082a3af36f4030c061e93f273e23b133e733cb68.001.1","noaa_urn:oid:2.49.0.1.840.0.2eeb28ec8e3c1fd7eef4bf4d3b33daba17362d33.001.1","noaa_urn:oid:2.49.0.1.840.0.3254e0b06f02cb212cffaa61ba7b0c58b72b0ba8.001.1","noaa_urn:oid:2.49.0.1.840.0.1198344572366cb23f018543c71e6498f1d348b3.001.1","noaa_urn:oid:2.49.0.1.840.0.24b809040febcd39ec6fabe0477f5501e77bde87.001.1","noaa_urn:oid:2.49.0.1.840.0.b2cadae056ccac5ac876c0ba4a47f203973ed7af.001.1","noaa_urn:oid:2.49.0.1.840.0.5f9d62f78fba34bd846404be2bfe91c0880cbd93.001.1","noaa_urn:oid:2.49.0.1.840.0.b769b88bf16bc23854d8918f30e659554c486e71.001.1"] |
| 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_35.76_-84.34_324","source":"spc","severity":"medium","severityValue":45,"timestamp":1773647340000,"latitude":35.76,"longitude":-84.34},{"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_35.96_-83.85_338","source":"spc","severity":"medium","severityValue":45,"timestamp":1773648480000,"latitude":35.96,"longitude":-83.85},{"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.
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.