This alert expired on 13 August 2026 at 05:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 210 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 17 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 12 at 9:19PM CDT until August 13 at 12:15AM CDT by NWS Huntsville AL
An estimated 100,725 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 6, 2026 · score 37 · 4.6 km
- May 27, 2026 · score 43 · 10.7 km
- March 16, 2026 · score 63 · 13.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 85% |
| Coordinates | 34.8337, -87.5131 |
| Nearest City | East Florence (13 km) |
| Population Exposed | 100.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-13T02:19:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.e32168844d32b53d19084478fd1c3ca8082b30f1.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lauderdale, AL |
| Headline | Flash Flood Warning issued August 12 at 9:19PM CDT until August 13 at 12:15AM CDT by NWS Huntsville AL |
| Expires | 2026-08-13T00:15:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 4 N Underwood-Petersvil |
| Iem County | Lauderdale |
| Iem State | AL |
| Iem Wfo | HUN |
| Iem Remark | A tree was knocked down on CR 7 between CR 8 and CR 118 blocking the roadway. Time estimated by radar. |
| MergedSources | [{"id":"iem_D_34.940_-87.710_1786584600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786584600000,"latitude":34.94,"longitude":-87.71}] |
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 East Florence?
Calamity.live data shows a weather event with CalamityScore 43/100, near East Florence (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.