Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is in it.
12 other detections within 20 km in the last 24 hours, the nearest 7 km from here.
This alert is in force until 10 September 2026, 06:30 UTC.
No stronger detection stands among the 49 recorded within 20 km of this point since 26 June 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 15 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 9 at 9:31PM MST until September 9 at 11:30PM MST by NWS Tucson AZ
An estimated 43,355 people live within 50 km of this point.
Nearby, since 26 June 2026
- September 10, 2026 · score 40 · 11.7 km
- August 31, 2026 · score 34 · 16.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 40 out of 100, at 86 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 40 / 100 |
| Our confidence | 86% |
| Coordinates | 31.8672, -110.0333 |
| Nearest City | Sierra Vista (43 km) |
| Population Exposed | 43.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T04:31:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.3b00fbb5c77250e13ad1cbcad220859b0271b3ba.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Cochise, AZ |
| Headline | Flash Flood Warning issued September 9 at 9:31PM MST until September 9 at 11:30PM MST by NWS Tucson AZ |
| Expires | 2026-09-09T23:30:00-07:00 |
| SenderName | NWS Tucson AZ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3b00fbb5c77250e13ad1cbcad220859b0271b3ba.001.1","noaa_urn:oid:2.49.0.1.840.0.73dcc547b0444b576ff33a34f43d972c3245b99a.001.1"] |
| Spc ReportType | wind |
| Spc Speed | 78 |
| Spc Location | 11 ENE Patagonia |
| Spc County | Santa Cruz |
| Spc State | AZ |
| Spc Comments | Public weather station recorded wind gust of 78 mph. (TWC) |
| MergedSources | [{"id":"spc_wind_31.68_-110.24_41","source":"spc","severity":"medium","severityValue":45,"timestamp":1789002840000,"latitude":31.68,"longitude":-110.24},{"id":"spc_wind_31.59_-110.58_43","source":"spc","severity":"high","severityValue":70,"timestamp":1789005840000,"latitude":31.59,"longitude":-110.58}] |
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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