Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is in it.
7 other detections within 20 km in the last 24 hours, the nearest 8 km from here.
This alert is in force until 10 September 2026, 07:15 UTC.
It is the 5th strongest of the 90 detections recorded within 20 km of this point since 13 April 2026. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued September 9 at 9:13PM MST until September 10 at 12:15AM MST by NWS Tucson AZ
An estimated 43,355 people live within 50 km of this point.
Nearby, since 13 April 2026
- August 4, 2026 · score 34 · 19.5 km
- August 31, 2026 · score 34 · 19.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 40 out of 100, at 91 % 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 | 91% |
| Coordinates | 31.7220, -110.1439 |
| Nearest City | Sierra Vista (24 km) |
| Population Exposed | 43.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T04:13:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.73dcc547b0444b576ff33a34f43d972c3245b99a.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 9:13PM MST until September 10 at 12:15AM MST by NWS Tucson AZ |
| Expires | 2026-09-10T00:15:00-07:00 |
| SenderName | NWS Tucson AZ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.73dcc547b0444b576ff33a34f43d972c3245b99a.001.1","noaa_urn:oid:2.49.0.1.840.0.29ad44e293fc2e4b9feafb1ed49ef60344e59e16.001.1","noaa_urn:oid:2.49.0.1.840.0.5db7b38ddf87cd37fb554bbae889b272398495ce.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) |
| Iem TypeSummary | G |
| Iem Magnitude | 78 |
| Iem Unit | MPH |
| Iem City | 11 ENE Patagonia |
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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