This alert expired on 16 March 2026 at 11:03 UTC. It is kept here as a record.
It is the 3rd strongest of the 13 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 16 at 6:53AM EDT until March 16 at 7:00AM EDT by NWS Greenville-Spartanburg SC
An estimated 495,523 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 19, 2026 · score 43 · 4.4 km
- July 12, 2026 · score 43 · 8.3 km
- August 5, 2026 · score 46 · 10.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 88 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 88% |
| Coordinates | 33.7286, -83.7589 |
| Nearest City | Conyers (25 km) |
| Population Exposed | 495.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T10:53:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.916b6fc21742baf9b2515ac213012557 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Rabun, GA; Franklin, GA; Hart, GA; Haywood, NC; Jackson, NC; Transylvania, NC and 8 more areas |
| Headline | Severe Thunderstorm Warning issued March 16 at 6:53AM EDT until March 16 at 7:00AM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-03-16T07:03:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| MergedCount | 11 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.916b6fc21742baf9b2515ac2130125572278a00c.001.1","noaa_urn:oid:2.49.0.1.840.0.3bd00dbcce63c42393ab846d55b1847ecba23bb2.001.1","noaa_urn:oid:2.49.0.1.840.0.f5d27eef4d170c8d033c2adcf083e2ea1adafb3e.002.1","noaa_urn:oid:2.49.0.1.840.0.0150d81e6b32c8cd11cacea833532a44a75c13f4.001.1","noaa_urn:oid:2.49.0.1.840.0.f79bc5dc514eba60840ebdd813fc0ad46af9b8eb.002.1","noaa_urn:oid:2.49.0.1.840.0.5d86fa293a816db098c9e2fead8d1baefd0e404f.001.1","noaa_urn:oid:2.49.0.1.840.0.af5eaf930bb90fd54516c752af62982388f384f2.001.1","noaa_urn:oid:2.49.0.1.840.0.57dd7ee8bb6cd9fa64c49f9e921b3de1e106c380.001.1","noaa_urn:oid:2.49.0.1.840.0.d4273a4aabbbaee3987f03a1ba1bd1c47c57af66.001.1","noaa_urn:oid:2.49.0.1.840.0.d743435ea7148f7d17769349a1b7095b03c0add5.001.1","noaa_urn:oid:2.49.0.1.840.0.cd427b9b9b542ca5b2a71d11b6cc9027fc903ef1.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 3 SSE Roswell |
| Spc County | Fulton |
| Spc State | GA |
| Spc Comments | EM reports tree on structure at Summit Springs Rd in Sandy Springs. (FFC) |
| MergedSources | [{"id":"spc_wind_34.12_-84.41_396","source":"spc","severity":"medium","severityValue":45,"timestamp":1773653700000,"latitude":34.12,"longitude":-84.41},{"id":"spc_wind_33.99_-84.35_398","source":"spc","severity":"medium","severityValue":45,"timestamp":1773654000000,"latitude":33.99,"longitude":-84.35}] |
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 10 February 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 Conyers?
Calamity.live data shows a weather event with CalamityScore 43/100, near Conyers (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.