Right now
The most recent data we hold from NOAA arrived 3 minutes 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 20:15 UTC. It is kept here as a record.
No stronger detection stands among the 77 recorded within 20 km of this point since 17 March 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 6 at 3:57PM EDT until July 6 at 4:15PM EDT by NWS Cleveland OH
Urban PEI: 204,605 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- July 6, 2026 · score 43 · 0.0 km
- July 6, 2026 · score 43 · 3.7 km
- September 4, 2026 · score 37 · 20.6 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 43 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) | 43 / 100 |
| Legacy data-support index | 0.89/1 |
| Coordinates | 41.4320, -80.6020 |
| Nearest City | Hermitage (26 km) |
| Urban exposure index (PEI) | 204.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T19:57:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cf6360c574cbc1f2f38d54bc554ea0d2d64a1f22.001.1 |
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: 2026-07-06T19:57:00.000Z.
First archived: 2026-07-06T20:04:59.302Z. 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 | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Ashtabula, OH; Trumbull, OH |
| Headline | Severe Thunderstorm Warning issued July 6 at 3:57PM EDT until July 6 at 4:15PM EDT by NWS Cleveland OH |
| Expires | 2026-07-06T16:15:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 1 SSW Kirtland |
| Iem County | Lake |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Multiple roads with water flowing over them, including State Route 306, north and south of US 6. |
| 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_41.580_-81.350_1783363500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783363500000,"latitude":41.58,"longitude":-81.35}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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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