This alert expired on 3 July 2026 at 23:00 UTC. It is kept here as a record.
It is the 21st strongest of the 31 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 16 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 6:11PM EDT until July 3 at 7:00PM EDT by NWS Morristown TN
An estimated 50,383 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 28, 2026 · score 67 · 3.1 km
- March 16, 2026 · score 43 · 13.5 km
- July 23, 2026 · score 34 · 15.3 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 87% |
| Coordinates | 35.5093, -83.9099 |
| Nearest City | Maryville (28 km) |
| Population Exposed | 50.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T22:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.1c8b6709482353a3c43fd23582a34e33 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Loudon, TN; McMinn, TN; Meigs, TN; Monroe, TN; Roane, TN; Jackson, NC; Swain, NC |
| Headline | Severe Thunderstorm Warning issued July 3 at 6:11PM EDT until July 3 at 7:00PM EDT by NWS Morristown TN |
| Expires | 2026-07-03T19:00:00-04:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1c8b6709482353a3c43fd23582a34e33c7cc1534.001.1","noaa_urn:oid:2.49.0.1.840.0.8c3e98bfebd6ac453b020d06e6072a271982cc39.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 S Robbinsville |
| Iem County | Graham |
| Iem State | NC |
| Iem Wfo | GSP |
| Iem Remark | Trees down in roadway. |
| MergedSources | [{"id":"iem_D_35.310_-83.790_1783109460000","source":"iem","severity":"low","severityValue":25,"timestamp":1783109460000,"latitude":35.31,"longitude":-83.79},{"id":"iem_D_35.310_-83.780_1783109460000","source":"iem","severity":"low","severityValue":25,"timestamp":1783109460000,"latitude":35.31,"longitude":-83.78},{"id":"iem_D_35.390_-83.600_1783108620000","source":"iem","severity":"low","severityValue":25,"timestamp":1783108620000,"latitude":35.39,"longitude":-83.6},{"id":"iem_D_35.310_-83.810_1783109460000","source":"iem","severity":"low","severityValue":25,"timestamp":1783109460000,"latitude":35.31,"longitude":-83.81}] |
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 near Maryville?
Calamity.live data shows a weather event with CalamityScore 39/100, near Maryville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.