Flash Flood Warning issued August 10 at 9:38PM MST until August 10 at 9:45PM MST by NWS Flagstaff AZ
Geographic Context
This weather event occurred near Flagstaff (approximately 112 km away) in United States, an area that experiences a range of natural hazards.
Event Assessment
This event is a weather event classified as medium severity. Calamity.live has classified it as "medium" severity with a severity value of 50. The computed Calamity Score is 22 out of 100, suggesting contained impact at this time. The primary scoring components are: historical (80), intensity (35). Data for this event was sourced from noaa, one of the 196 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
United States has a documented history of weather events. Monitoring for weather events in the region relies on a combination of ground-based sensors, satellite remote sensing, and official reporting from national agencies. The frequency and severity of such events are tracked over time to support risk assessment and emergency preparedness.
Event Data
| Type | Weather |
| Severity | medium |
| Severity Value | 50 |
| Calamity Score | 22 / 100 |
| Confidence | 66% |
| Coordinates | 36.1500, -112.0640 |
| Nearest City | Flagstaff (112 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-11T04:38:00.000Z |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coconino, AZ |
| Headline | Flash Flood Warning issued August 10 at 9:38PM MST until August 10 at 9:45PM MST by NWS Flagstaff AZ |
| Expires | 2026-08-10T21:48:00-07:00 |
| SenderName | NWS Flagstaff AZ |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem Unit | |
| Iem City | 2 S Bright Angel Point |
| Iem County | Coconino |
| Iem State | AZ |
| Iem Wfo | FGZ |
| Iem Remark | USGS steam gauge along Bright Angel Creek below Cottonwood Campground reported a rapid rise of 3.78 feet between 6:35pm and 6:45pm. This rise resulted from heavy rainfall that fell near Point Imperial |
| MergedSources | [{"id":"iem_F_36.170_-112.050_1786412100000","source":"iem","severity":"low","severityValue":25,"timestamp":1786412100000,"latitude":36.17,"longitude":-112.05}] |
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.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 22/100, near Flagstaff (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 196 scientific monitoring sources.