Right now
The most recent data we hold from NOAA arrived 63 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 25 June 2026 at 02:30 UTC. It is kept here as a record.
It is the 21st strongest of the 72 detections recorded within 20 km of this point since 24 June 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued June 24 at 4:53PM MST until June 24 at 7:30PM MST by NWS Tucson AZ
Urban PEI: 43,355 within a heuristic 50 km radius; not unique people.
Nearby, since 24 June 2026
- September 14, 2026 · score 32 · 4.6 km
- June 24, 2026 · score 34 · 10.4 km
- August 12, 2026 · score 43 · 18.8 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 34 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) | 34 / 100 |
| Legacy data-support index | 0.89/1 |
| Coordinates | 31.4450, -110.1800 |
| Nearest City | Sierra Vista (16 km) |
| Urban exposure index (PEI) | 43.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-24T23:53:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.45d7bf144c63aaf88fd36f5015d2eb3d60392ad2.001.1 |
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: 2026-06-24T23:53:00.000Z.
First archived: 2026-06-25T02:29:52.843Z. 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 | Cochise, AZ |
| Headline | Flash Flood Warning issued June 24 at 4:53PM MST until June 24 at 7:30PM MST by NWS Tucson AZ |
| Expires | 2026-06-24T19:30:00-07:00 |
| SenderName | NWS Tucson AZ |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 0.7 |
| Iem Unit | Inch |
| Iem City | 1 W Sierra Vista |
| Iem County | Cochise |
| Iem State | AZ |
| Iem Wfo | TWC |
| Iem Remark | Dime sized hail reported by public. |
| MergedSources | [{"id":"iem_R_31.440_-110.180_1782345900000","source":"iem","severity":"low","severityValue":25,"timestamp":1782345900000,"latitude":31.44,"longitude":-110.18},{"id":"iem_H_31.570_-110.350_1782337800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782337800000,"latitude":31.57,"longitude":-110.35},{"id":"iem_H_31.570_-110.350_1782336780000","source":"iem","severity":"low","severityValue":25,"timestamp":1782336780000,"latitude":31.57,"longitude":-110.35}] |
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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