This alert expired on 13 May 2026 at 07:04 UTC. It is kept here as a record.
It is the 2nd strongest of the 41 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 13 at 2:54AM EDT until May 13 at 3:00AM EDT by NWS Tallahassee FL
An estimated 74,466 people live within 50 km of this point.
Nearby, since 12 March 2026
- May 13, 2026 · score 39 · 13.2 km
- June 21, 2026 · score 39 · 15.1 km
- March 13, 2026 · score 39 · 15.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 86 % 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) | 39 / 100 |
| Our confidence | 86% |
| Coordinates | 30.9291, -83.7073 |
| Nearest City | Thomasville (28 km) |
| Population Exposed | 74.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-13T06:54:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0ece2678ebb8858631e3da210e848cf22d90fd02.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Brooks, GA; Thomas, GA |
| Headline | Flash Flood Warning issued May 13 at 2:54AM EDT until May 13 at 3:00AM EDT by NWS Tallahassee FL |
| Expires | 2026-05-13T03:04:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 4 ENE Sand Hill |
| Iem County | Brooks |
| Iem State | GA |
| Iem Wfo | TAE |
| Iem Remark | Water over the road at the intersection of GA-122 and GA-224. |
| MergedSources | [{"id":"iem_F_31.000_-83.590_1778640720000","source":"iem","severity":"low","severityValue":25,"timestamp":1778640720000,"latitude":31,"longitude":-83.59}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 39/100, near Thomasville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.