This alert expired on 22 May 2026 at 21:45 UTC. It is kept here as a record.
It is the 23rd strongest of the 53 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. 12 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 22 at 2:45PM CDT until May 22 at 4:45PM CDT by NWS Huntsville AL
An estimated 36,812 people live within 50 km of this point.
Nearby, since 10 March 2026
- March 10, 2026 · score 39 · 3.6 km
- July 1, 2026 · score 43 · 14.5 km
- July 12, 2026 · score 39 · 15.9 km
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 90 % 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) | 34 / 100 |
| Our confidence | 90% |
| Coordinates | 34.2210, -86.6979 |
| Nearest City | Cullman (14 km) |
| Population Exposed | 36.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T19:45:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Cullman, AL; Jackson, AL; Madison, AL; Marshall, AL; Morgan, AL; Cullman, AL |
| Headline | Flash Flood Warning issued May 22 at 2:45PM CDT until May 22 at 4:45PM CDT by NWS Huntsville AL |
| Expires | 2026-05-22T16:45:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.dfac26d85d54c5cdb45bea6d85d14af851539490.001.1","noaa_urn:oid:2.49.0.1.840.0.04f2597e88978116b2015ff20106bdc85e1512ca.001.1"] |
| Iem TypeSummary | D |
| Iem City | 2 SSE Fairview |
| Iem County | Cullman |
| Iem State | AL |
| Iem Wfo | HUN |
| Iem Remark | 911 received report of tree down blocking the roadway. Timing estimated by radar. |
| MergedSources | [{"id":"iem_D_34.280_-86.590_1779473760000","source":"iem","severity":"low","severityValue":25,"timestamp":1779473760000,"latitude":34.28,"longitude":-86.59},{"id":"iem_D_34.230_-86.610_1779472920000","source":"iem","severity":"low","severityValue":25,"timestamp":1779472920000,"latitude":34.23,"longitude":-86.61},{"id":"iem_D_34.240_-86.670_1779472680000","source":"iem","severity":"low","severityValue":25,"timestamp":1779472680000,"latitude":34.24,"longitude":-86.67},{"id":"iem_D_34.600_-86.110_1779470220000","source":"iem","severity":"low","severityValue":25,"timestamp":1779470220000,"latitude":34.6,"longitude":-86.11},{"id":"iem_D_34.220_-86.680_1779472680000","source":"iem","severity":"low","severityValue":25,"timestamp":1779472680000,"latitude":34.22,"longitude":-86.68}] |
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 34/100, near Cullman (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.