This alert expired on 16 March 2026 at 15:00 UTC. It is kept here as a record.
It is the 25th strongest of the 74 detections recorded within 20 km of this point since 9 March 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued March 16 at 6:41AM EDT until March 16 at 11:00AM EDT by NWS Columbia SC
An estimated 183,772 people live within 50 km of this point.
Nearby, since 9 March 2026
- July 29, 2026 · score 43 · 0.0 km
- July 28, 2026 · score 37 · 0.0 km
- July 13, 2026 · score 43 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 78 % 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) | 43 / 100 |
| Our confidence | 78% |
| Coordinates | 33.0000, -83.6000 |
| Nearest City | Macon (18 km) |
| Population Exposed | 183.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T10:41:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.3f804826fefebf429ba302e177c48c6c |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Lincoln, GA; McCormick, SC; Elbert, GA; Franklin, GA; Habersham, GA; Hart, GA; Rabun, GA; Stephens, GA; Alexander, NC; Avery, NC; Buncombe, NC; Burke, NC; Cabarrus, NC; Caldwell, NC; Catawba, NC; Cleveland, NC; Davie, NC; Gaston, NC; Graham, NC; Haywood, NC; Henderson, NC; Iredell, NC; Jackson, NC; Lincoln, NC; McDowell, NC; Macon, NC; Madison, NC; Mecklenburg, NC; Mitchell, NC; Polk, NC; Rowan, NC; Rutherford, NC; Swain, NC; Transylvania, NC; Union, NC; Yancey, NC; Abbeville, SC; Anderson, SC; Cherokee, SC; Chester, SC; Greenville, SC; Greenwood, SC; Laurens, SC; Oconee, SC; Pickens, SC; Spartanburg, SC; Union, SC; York, SC |
| Headline | Severe Thunderstorm Watch issued March 16 at 6:41AM EDT until March 16 at 11:00AM EDT by NWS Columbia SC |
| Expires | 2026-03-16T11:00:00-04:00 |
| SenderName | NWS Columbia SC |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3f804826fefebf429ba302e177c48c6c11899c9d.002.1","noaa_urn:oid:2.49.0.1.840.0.d45bbafcf0c7f6d6f8adeb5ef23b39aa7a26d842.001.1"] |
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 Macon?
Calamity.live data shows a weather event with CalamityScore 43/100, near Macon (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.