This alert expired on 11 June 2026 at 03:45 UTC. It is kept here as a record.
It is the 5th strongest of the 34 detections recorded within 20 km of this point since 23 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 10 at 10:42PM EDT until June 10 at 11:45PM EDT by NWS Cleveland OH
An estimated 1,075,040 people live within 50 km of this point.
Nearby, since 23 March 2026
- June 14, 2026 · score 52 · 19.4 km
- June 25, 2026 · score 52 · 20.2 km
- June 11, 2026 · score 46 · 22.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 80 % 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) | 46 / 100 |
| Our confidence | 80% |
| Coordinates | 41.0250, -81.6175 |
| Nearest City | Barberton (2 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T02:42:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b5e13eb42403244e0396f9a578b496c06708d23e.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Summit, OH |
| Headline | Flash Flood Warning issued June 10 at 10:42PM EDT until June 10 at 11:45PM EDT by NWS Cleveland OH |
| Expires | 2026-06-10T23:45:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
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 Barberton?
Calamity.live data shows a weather event with CalamityScore 46/100, near Barberton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.