Right now
The most recent data we hold from NOAA arrived 60 minutes ago, and this point is in it.
3 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert is in force until 29 September 2026, 09:15 UTC.
It is one of only 4 we have recorded within 20 km of this point since 15 July 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 29 at 1:06AM MDT until September 29 at 3:15AM MDT by NWS Salt Lake City UT
Nearby, since 15 July 2026
- September 29, 2026 · score 16 · 0.0 km
- July 15, 2026 · 8.0 km
- August 13, 2026 · 12.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 37.1616, -112.3508 |
| Nearest City | Hurricane (83 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-29T07:06:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e551958d10bd1337f3dc5bd800d16a8a76abf920.001.1 |
Physical priority index · v5. 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: 2026-09-29T07:06:00.000Z.
First archived: 2026-09-29T07:12:39.464Z. 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 |
| MessageId | urn:oid:2.49.0.1.840.0.e551958d10bd1337f3dc5bd800d16a8a76abf920.001.1 |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Kane, UT; Washington, UT; Coconino, AZ and 1 more areas |
| Headline | Flash Flood Warning issued September 29 at 1:06AM MDT until September 29 at 3:15AM MDT by NWS Salt Lake City UT |
| Expires | 2026-09-29T03:15:00-06:00 |
| SenderName | NWS Salt Lake City UT |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5c77c88b6831ec2e752b1c429075e598a762268b.001.1","noaa_urn:oid:2.49.0.1.840.0.7b804deac83dae61a41db601ce68a09e9f7ed08f.001.1","noaa_urn:oid:2.49.0.1.840.0.7568556db5ca642ca38f9cd91c57d009a4552c0d.001.1","noaa_urn:oid:2.49.0.1.840.0.7dfebb6b16579962ca0922d09b2fd7f73e63406c.001.1","noaa_urn:oid:2.49.0.1.840.0.bb65ba033d70b127904bb83eca1bfc87449f0cf0.001.1","noaa_urn:oid:2.49.0.1.840.0.87e84322ed58ec655cb664b4e6433e9852b08e50.001.1"] |
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.
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