This alert expired on 8 August 2026 at 20:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 94 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 22 June 2026.
What the source measured
NOAA reported: Flash Flood Warning issued August 8 at 12:06PM CDT until August 8 at 3:00PM CDT by NWS Huntsville AL
An estimated 75,759 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 31, 2026 · score 39 · 2.0 km
- June 1, 2026 · score 39 · 17.4 km
- March 16, 2026 · score 63 · 18.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 85 % 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 | 85% |
| Coordinates | 34.7217, -87.7283 |
| Nearest City | Florence (10 km) |
| Population Exposed | 75.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-08T17:06:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.125d86747640332b0090f398ca6a34316b438b24.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Colbert, AL; Lauderdale, AL |
| Headline | Flash Flood Warning issued August 8 at 12:06PM CDT until August 8 at 3:00PM CDT by NWS Huntsville AL |
| Expires | 2026-08-08T15:00:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 2 ESE Sheffield |
| Iem County | Colbert |
| Iem State | AL |
| Iem Wfo | HUN |
| Iem Remark | Social media photo indicates flash flooding off of Avalon Avenue in front of Walmart in Muscle Shoals. Water 2/3s up vehicle tires. |
| MergedSources | [{"id":"iem_F_34.750_-87.670_1786210500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786210500000,"latitude":34.75,"longitude":-87.67}] |
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.
Want to know when something happens near Florence?
Calamity.live data shows a weather event with CalamityScore 39/100, near Florence (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.