This alert expired on 6 July 2026 at 22:15 UTC. It is kept here as a record.
No stronger detection stands among the 70 recorded within 20 km of this point since 12 March 2026 — 20 others scored the same. 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 July 6 at 1:14PM EDT until July 6 at 6:15PM EDT by NWS Cleveland OH
An estimated 121,983 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 6, 2026 · score 43 · 2.9 km
- August 10, 2026 · score 39 · 4.1 km
- July 28, 2026 · score 39 · 8.0 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 41.5638, -82.7152 |
| Nearest City | Sandusky (13 km) |
| Population Exposed | 122.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T17:14:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.d066dac30ffd7d98076b8e3142d37a50 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Cuyahoga, OH; Lake, OH; Erie, OH; Ottawa, OH and 1 more areas |
| 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 |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d066dac30ffd7d98076b8e3142d37a5066c6b7a0.001.1","noaa_urn:oid:2.49.0.1.840.0.902b7a62492a14bb0435e5b271ff48354315eaa3.001.1","noaa_urn:oid:2.49.0.1.840.0.b4f1f965baab79643964154cc1cc1fcbceada82a.001.1","noaa_urn:oid:2.49.0.1.840.0.21eba933ea83e4d2e4157d327fcfb61e48813c7a.001.1","noaa_urn:oid:2.49.0.1.840.0.de0743c2b42e3df2a3b3d147f9db9609a50f428b.001.1"] |
| Iem TypeSummary | R |
| Iem Magnitude | 5 |
| Iem Unit | Inch |
| Iem City | 2 NNW Luckey |
| Iem County | Wood |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | 24 hour rain. |
| MergedSources | [{"id":"iem_F_41.600_-83.260_1783347180000","source":"iem","severity":"low","severityValue":25,"timestamp":1783347180000,"latitude":41.6,"longitude":-83.26},{"id":"iem_R_41.480_-83.500_1783339200000","source":"iem","severity":"low","severityValue":25,"timestamp":1783339200000,"latitude":41.48,"longitude":-83.5}] |
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 Sandusky?
Calamity.live data shows a weather event with CalamityScore 43/100, near Sandusky (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.