This alert expired on 6 July 2026 at 22:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 106 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 4 July 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 6 at 1:14PM EDT until July 6 at 6:15PM EDT by NWS Cleveland OH
An estimated 1,357,956 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 11, 2026 · score 46 · 11.9 km
- May 9, 2026 · score 52 · 13.0 km
- April 1, 2026 · score 52 · 15.8 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 90% |
| Coordinates | 41.6036, -81.3943 |
| Nearest City | Willoughby (4 km) |
| Population Exposed | 1.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T17:14:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d066dac30ffd7d98076b8e3142d37a5066c6b7a0.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Cuyahoga, OH; Lake, OH |
| Headline | Flash Flood Warning issued July 6 at 1:14PM EDT until July 6 at 6:15PM EDT by NWS Cleveland OH |
| Expires | 2026-07-06T18:15:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 1 WNW Mayfield |
| Iem County | Cuyahoga |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | High water up to the bumpers of cars reported on Longspur Road. |
| MergedSources | [{"id":"iem_F_41.580_-81.350_1783363500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783363500000,"latitude":41.58,"longitude":-81.35},{"id":"iem_F_41.570_-81.480_1783361220000","source":"iem","severity":"low","severityValue":25,"timestamp":1783361220000,"latitude":41.57,"longitude":-81.48},{"id":"iem_F_41.560_-81.450_1783362120000","source":"iem","severity":"low","severityValue":25,"timestamp":1783362120000,"latitude":41.56,"longitude":-81.45}] |
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 8 March 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 Willoughby?
Calamity.live data shows a weather event with CalamityScore 52/100, near Willoughby (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.