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 6 August 2026 at 09:15 UTC. It is kept here as a record.
No stronger detection stands among the 75 recorded within 20 km of this point since 11 July 2026 — 19 others scored the same. Another comparable one was recorded here earlier the same day. 18 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 6 at 12:13AM MST until August 6 at 2:15AM MST by NWS Tucson AZ
Urban PEI: 634,377 within a heuristic 50 km radius; not unique people.
Nearby, since 11 July 2026
- August 6, 2026 · score 48 · 0.1 km
- July 26, 2026 · score 48 · 4.9 km
- August 6, 2026 · score 48 · 5.3 km
How we know
7 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 | 0.91/1 |
| Coordinates | 31.8732, -110.6814 |
| Nearest City | Sahuarita (28 km) |
| Urban exposure index (PEI) | 634.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-06T07:13:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.45024ad2302af07f0095c4078380c580 |
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: 2026-08-06T07:13:00.000Z.
First archived: 2026-08-06T07:17:58.925Z. 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 | Pima, AZ; Cochise, AZ; Cochise, AZ; Santa Cruz, AZ and 1 more areas |
| Headline | Flash Flood Warning issued August 6 at 12:13AM MST until August 6 at 2:15AM MST by NWS Tucson AZ |
| Expires | 2026-08-06T02:15:00-07:00 |
| SenderName | NWS Tucson AZ |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.45024ad2302af07f0095c4078380c580fa91d7a8.001.1","noaa_urn:oid:2.49.0.1.840.0.5cb3a90ceaf5c577d1507c97eab12bcad380bddb.001.1","noaa_urn:oid:2.49.0.1.840.0.420c3bb0b2c59ec33c6073414e83a2cd93eaf94e.001.1","noaa_urn:oid:2.49.0.1.840.0.3994d5c8f508b07a8e949a7be21686441e3c5dd0.001.1","noaa_urn:oid:2.49.0.1.840.0.0df1b095956f5f147261752247e7b178ca1782f5.001.1","noaa_urn:oid:2.49.0.1.840.0.663cb539ecfc3be9601d2b8e38049eea7637b019.001.1","noaa_urn:oid:2.49.0.1.840.0.d8880d9b6822452a81410235565be1d8cc7ce452.001.1","noaa_urn:oid:2.49.0.1.840.0.9b2f416c317732d56d03a66b54bf5c402e74833b.001.1","noaa_urn:oid:2.49.0.1.840.0.8411882ff830f61627b48af257064b463a2ce32f.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 59 |
| Iem Unit | MPH |
| Iem City | 2 SE Tucson |
| Iem County | Pima |
| Iem State | AZ |
| Iem Wfo | TWC |
| Iem Remark | ASOS station KDMA Davis Monthan AFB. |
| MergedSources | [{"id":"iem_R_31.700_-110.360_1785990600000","source":"iem","severity":"low","severityValue":25,"timestamp":1785990600000,"latitude":31.7,"longitude":-110.36},{"id":"iem_R_31.540_-110.760_1785980400000","source":"iem","severity":"low","severityValue":25,"timestamp":1785980400000,"latitude":31.54,"longitude":-110.76},{"id":"iem_D_32.210_-110.810_1785993900000","source":"iem","severity":"low","severityValue":25,"timestamp":1785993900000,"latitude":32.21,"longitude":-110.81},{"id":"iem_H_31.500_-110.260_1785983880000","source":"iem","severity":"low","severityValue":25,"timestamp":1785983880000,"latitude":31.5,"longitude":-110.26},{"id":"iem_G_31.840_-110.970_1785992100000","source":"iem","severity":"low","severityValue":25,"timestamp":1785992100000,"latitude":31.84,"longitude":-110.97},{"id":"iem_G_32.170_-110.870_1785995700000","source":"iem","severity":"low","severityValue":25,"timestamp":1785995700000,"latitude":32.17,"longitude":-110.87}] |
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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