This alert expired on 7 July 2026 at 02:30 UTC. It is kept here as a record.
No stronger detection stands among the 41 recorded within 20 km of this point since 26 March 2026 — 18 others scored the same. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued July 6 at 4:31PM EDT until July 6 at 10:30PM EDT by NWS Cleveland OH
An estimated 368,764 people live within 50 km of this point.
Nearby, since 26 March 2026
- July 7, 2026 · score 43 · 0.0 km
- August 11, 2026 · score 43 · 2.8 km
- May 9, 2026 · score 43 · 3.2 km
How we know
Confirmed by 9 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 | 41.5800, -83.0900 |
| Nearest City | Fremont (26 km) |
| Population Exposed | 368.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T20:31:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a942924b743c4aa34bbd78ca4d8a78a6e71500d7.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Ottawa, OH |
| Headline | Flood Warning issued July 6 at 4:31PM EDT until July 6 at 10:30PM EDT by NWS Cleveland OH |
| Expires | 2026-07-06T22:30:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 3 NNW Milan |
| Iem County | Erie |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Mason Road is closed from Kelley Road to the Army Reserve Center due to high water. |
| MergedSources | [{"id":"iem_F_41.520_-83.180_1783356000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783356000000,"latitude":41.52,"longitude":-83.18},{"id":"iem_F_41.600_-83.220_1783355820000","source":"iem","severity":"low","severityValue":25,"timestamp":1783355820000,"latitude":41.6,"longitude":-83.22},{"id":"iem_F_41.600_-83.460_1783358700000","source":"iem","severity":"low","severityValue":25,"timestamp":1783358700000,"latitude":41.6,"longitude":-83.46},{"id":"iem_F_41.510_-82.940_1783359000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783359000000,"latitude":41.51,"longitude":-82.94},{"id":"iem_F_41.510_-82.910_1783362480000","source":"iem","severity":"low","severityValue":25,"timestamp":1783362480000,"latitude":41.51,"longitude":-82.91},{"id":"iem_F_41.660_-83.360_1783359000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783359000000,"latitude":41.66,"longitude":-83.36},{"id":"iem_F_41.600_-83.300_1783355820000","source":"iem","severity":"low","severityValue":25,"timestamp":1783355820000,"latitude":41.6,"longitude":-83.3},{"id":"iem_F_41.330_-82.630_1783358880000","source":"iem","severity":"low","severityValue":25,"timestamp":1783358880000,"latitude":41.33,"longitude":-82.63}] |
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 Fremont?
Calamity.live data shows a weather event with CalamityScore 43/100, near Fremont (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.