This alert expired on 16 March 2026 at 11:00 UTC. It is kept here as a record.
It is the 5th strongest of the 14 detections recorded within 20 km of this point since 16 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 16 at 6:44AM EDT until March 16 at 7:00AM EDT by NWS Peachtree City GA
An estimated 442,281 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 10, 2026 · score 48 · 19.5 km
- July 16, 2026 · score 43 · 20.0 km
- July 24, 2026 · score 48 · 26.4 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 | 34.0731, -83.7396 |
| Nearest City | Winder (9 km) |
| Population Exposed | 442.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T10:44:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.4e093d9e9ca192180ec1a5df9e47474a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Banks, GA; Rabun, GA; Banks, GA; Barrow, GA; Clarke, GA; Jackson, GA; Madison, GA; Morgan, GA; Newton, GA; Oconee, GA; Rockdale, GA; Walton, GA and 6 more areas |
| Headline | Severe Thunderstorm Warning issued March 16 at 6:44AM EDT until March 16 at 7:00AM EDT by NWS Peachtree City GA |
| Expires | 2026-03-16T07:00:00-04:00 |
| SenderName | NWS Peachtree City GA |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4e093d9e9ca192180ec1a5df9e47474a04cf144c.001.1","noaa_urn:oid:2.49.0.1.840.0.5578e1fe036e387616f7ae8e6970f16b41fce79d.002.1","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:2.49.0.1.840.0.2ae888fc78380e5357ffb6f6ac2b8d899ecfafec.001.1","noaa_urn:oid:2.49.0.1.840.0.d743435ea7148f7d17769349a1b7095b03c0add5.001.1"] |
| 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_393","source":"spc","severity":"medium","severityValue":45,"timestamp":1773653700000,"latitude":34.12,"longitude":-84.41},{"id":"spc_wind_33.99_-84.35_395","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 Winder?
Calamity.live data shows a weather event with CalamityScore 43/100, near Winder (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.