This alert expired on 1 August 2026 at 19:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 25 detections recorded within 20 km of this point since 7 May 2026. The last comparable one was on 30 July 2026. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 1 at 12:36PM EDT until August 1 at 3:45PM EDT by NWS Tallahassee FL
An estimated 201,731 people live within 50 km of this point.
Nearby, since 7 May 2026
- May 25, 2026 · score 46 · 13.6 km
- August 5, 2026 · score 37 · 19.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 86% |
| Coordinates | 30.7017, -84.6067 |
| Nearest City | Tallahassee (43 km) |
| Population Exposed | 201.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-01T16:36:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7807109c0b6882ba8d8ff94396aad67c283ea5b4.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Gadsden, FL; Jackson, FL; Decatur, GA; Grady, GA; Seminole, GA |
| Headline | Flash Flood Warning issued August 1 at 12:36PM EDT until August 1 at 3:45PM EDT by NWS Tallahassee FL |
| Expires | 2026-08-01T15:45:00-04:00 |
| SenderName | NWS Tallahassee FL |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 2 ENE Wakulla Springs |
| Iem County | Wakulla |
| Iem State | FL |
| Iem Wfo | TAE |
| Iem Remark | Tree down blocking Bloxham Cutoff. Time estimated by radar. |
| MergedSources | [{"id":"iem_D_30.240_-84.280_1785593940000","source":"iem","severity":"low","severityValue":25,"timestamp":1785593940000,"latitude":30.24,"longitude":-84.28}] |
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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.