This alert expired on 12 August 2026 at 21:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 39 detections recorded within 20 km of this point since 13 March 2026. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 12 at 4:42PM EDT until August 12 at 5:30PM EDT by NWS Tallahassee FL
An estimated 220,473 people live within 50 km of this point.
Nearby, since 13 March 2026
- March 16, 2026 · score 49 · 7.9 km
- June 16, 2026 · score 43 · 13.3 km
- June 20, 2026 · score 43 · 13.8 km
How we know
Confirmed by 12 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 | 30.6300, -83.8671 |
| Nearest City | Thomasville (26 km) |
| Population Exposed | 220.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-12T20:42:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.51095af68810b8b4a1fa2d4c5deb13d71ca7e567.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jefferson, FL; Madison, FL; Brooks, GA; Thomas, GA |
| Headline | Severe Thunderstorm Warning issued August 12 at 4:42PM EDT until August 12 at 5:30PM EDT by NWS Tallahassee FL |
| Expires | 2026-08-12T17:30:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 3 WSW I-75 at Exit 11 |
| Iem County | Lowndes |
| Iem State | GA |
| Iem Wfo | TAE |
| Iem Remark | Numerous trees down in Southern Lowndes County. Time estimated by radar. |
| MergedSources | [{"id":"iem_D_30.910_-83.830_1786565100000","source":"iem","severity":"low","severityValue":25,"timestamp":1786565100000,"latitude":30.91,"longitude":-83.83},{"id":"iem_G_30.740_-83.390_1786561140000","source":"iem","severity":"low","severityValue":25,"timestamp":1786561140000,"latitude":30.74,"longitude":-83.39},{"id":"iem_D_30.930_-83.890_1786564800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786564800000,"latitude":30.93,"longitude":-83.89},{"id":"iem_D_31.180_-83.590_1786559220000","source":"iem","severity":"low","severityValue":25,"timestamp":1786559220000,"latitude":31.18,"longitude":-83.59},{"id":"iem_G_30.740_-83.390_1786561020000","source":"iem","severity":"low","severityValue":25,"timestamp":1786561020000,"latitude":30.74,"longitude":-83.39},{"id":"iem_D_31.010_-83.320_1786560420000","source":"iem","severity":"low","severityValue":25,"timestamp":1786560420000,"latitude":31.01,"longitude":-83.32},{"id":"iem_D_30.880_-83.220_1786561320000","source":"iem","severity":"low","severityValue":25,"timestamp":1786561320000,"latitude":30.88,"longitude":-83.22},{"id":"iem_D_30.780_-83.900_1786566660000","source":"iem","severity":"low","severityValue":25,"timestamp":1786566660000,"latitude":30.78,"longitude":-83.9},{"id":"iem_G_30.780_-83.270_1786561500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786561500000,"latitude":30.78,"longitude":-83.27},{"id":"iem_D_30.950_-83.880_1786564500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786564500000,"latitude":30.95,"longitude":-83.88},{"id":"iem_D_30.740_-83.320_1786562520000","source":"iem","severity":"low","severityValue":25,"timestamp":1786562520000,"latitude":30.74,"longitude":-83.32}] |
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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Thomasville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.