Right now
The most recent data we hold from NOAA arrived 1 minute ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 6 July 2026 at 20:30 UTC. It is kept here as a record.
It is the 7th strongest of the 63 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 6 at 2:24PM EDT until July 6 at 4:30PM EDT by NWS Cleveland OH
Urban PEI: 556,613 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- July 18, 2026 · score 52 · 5.0 km
- August 11, 2026 · score 43 · 8.1 km
- August 10, 2026 · score 43 · 8.9 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 48 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 48 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 41.5524, -82.3167 |
| Nearest City | Lorain (16 km) |
| Urban exposure index (PEI) | 556.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T18:24:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.0c33f54542f31b8973cc81eae067bd3f |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-07-06T18:24:00.000Z.
First archived: 2026-07-06T18:48:03.386Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Lucas, OH; Ottawa, OH; Cuyahoga, OH; Geauga, OH; Cuyahoga, OH; Lake, OH and 2 more areas |
| Headline | Flash Flood Warning issued July 6 at 2:24PM EDT until July 6 at 4:30PM EDT by NWS Cleveland OH |
| Expires | 2026-07-06T16:30:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0c33f54542f31b8973cc81eae067bd3f7029d398.001.1","noaa_urn:oid:2.49.0.1.840.0.5f518dad77a3965b65ad949dbe641480ba199f3d.001.1","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"] |
| Iem TypeSummary | F |
| Iem City | 1 NNW Highland Heights |
| Iem County | Cuyahoga |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Bishop Road near Cuyahoga County Airport closed due to flooding. One person is reported trapped in vehicle. |
| MergedSources | [{"id":"iem_F_41.560_-81.450_1783362120000","source":"iem","severity":"low","severityValue":25,"timestamp":1783362120000,"latitude":41.56,"longitude":-81.45},{"id":"iem_F_41.570_-81.480_1783361220000","source":"iem","severity":"low","severityValue":25,"timestamp":1783361220000,"latitude":41.57,"longitude":-81.48}] |
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.
Review the area, threshold and delivery channel in your account.
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