Right now
The most recent data we hold from NOAA arrived 2 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 27 June 2026 at 08:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 28 detections recorded within 20 km of this point since 8 May 2026. Another comparable one was recorded here earlier the same day. 20 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 27 at 12:02AM CDT until June 27 at 3:15AM CDT by NWS Norman OK
Urban PEI: 944,865 within a heuristic 50 km radius; not unique people.
Nearby, since 8 May 2026
- June 22, 2026 · score 72 · 16.3 km
- June 27, 2026 · score 48 · 18.4 km
How we know
17 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 | 35.8440, -97.4780 |
| Nearest City | Edmond (22 km) |
| Urban exposure index (PEI) | 944.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-27T05:02:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.60505d8a16fb8a08dc9b6d77f2326c6b0afb8af8.001.1 |
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: 2026-06-27T05:02:00.000Z.
First archived: 2026-06-27T05:40:13.054Z. 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 | Logan, OK |
| Headline | Flash Flood Warning issued June 27 at 12:02AM CDT until June 27 at 3:15AM CDT by NWS Norman OK |
| Expires | 2026-06-27T03:15:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 1 W Garber |
| Iem County | Garfield |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | Large tree uprooted. |
| MergedSources | [{"id":"iem_H_36.400_-97.630_1782516660000","source":"iem","severity":"low","severityValue":25,"timestamp":1782516660000,"latitude":36.4,"longitude":-97.63},{"id":"iem_G_36.160_-97.090_1782523500000","source":"iem","severity":"low","severityValue":25,"timestamp":1782523500000,"latitude":36.16,"longitude":-97.09},{"id":"iem_D_36.160_-97.090_1782523860000","source":"iem","severity":"low","severityValue":25,"timestamp":1782523860000,"latitude":36.16,"longitude":-97.09},{"id":"iem_D_36.160_-97.080_1782523800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782523800000,"latitude":36.16,"longitude":-97.08},{"id":"iem_D_36.140_-97.040_1782525360000","source":"iem","severity":"low","severityValue":25,"timestamp":1782525360000,"latitude":36.14,"longitude":-97.04},{"id":"iem_G_36.410_-97.690_1782516300000","source":"iem","severity":"low","severityValue":25,"timestamp":1782516300000,"latitude":36.41,"longitude":-97.69},{"id":"iem_D_36.400_-97.680_1782518100000","source":"iem","severity":"low","severityValue":25,"timestamp":1782518100000,"latitude":36.4,"longitude":-97.68},{"id":"iem_G_36.170_-97.080_1782523680000","source":"iem","severity":"low","severityValue":25,"timestamp":1782523680000,"latitude":36.17,"longitude":-97.08},{"id":"iem_F_36.120_-97.060_1782528300000","source":"iem","severity":"low","severityValue":25,"timestamp":1782528300000,"latitude":36.12,"longitude":-97.06},{"id":"iem_H_35.830_-97.400_1782528960000","source":"iem","severity":"low","severityValue":25,"timestamp":1782528960000,"latitude":35.83,"longitude":-97.4},{"id":"iem_D_36.400_-97.730_1782516300000","source":"iem","severity":"low","severityValue":25,"timestamp":1782516300000,"latitude":36.4,"longitude":-97.73},{"id":"iem_H_35.880_-97.430_1782528300000","source":"iem","severity":"low","severityValue":25,"timestamp":1782528300000,"latitude":35.88,"longitude":-97.43},{"id":"iem_F_36.290_-97.290_1782522000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782522000000,"latitude":36.29,"longitude":-97.29},{"id":"iem_H_35.870_-97.480_1782528000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782528000000,"latitude":35.87,"longitude":-97.48},{"id":"iem_G_36.400_-97.680_1782516300000","source":"iem","severity":"low","severityValue":25,"timestamp":1782516300000,"latitude":36.4,"longitude":-97.68},{"id":"iem_D_36.430_-97.610_1782516600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782516600000,"latitude":36.43,"longitude":-97.61}] |
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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