Calamity
MediumSevere WeatherCalamity Score: 39

Severe Weather near Prescott

YavapaiUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 5 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 13 July 2026 at 00:00 UTC. It is kept here as a record.

No stronger detection stands among the 10 recorded within 20 km of this point since 25 May 2026 — 9 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued July 12 at 4:47PM MST until July 12 at 5:00PM MST by NWS Flagstaff AZ

An estimated 84,096 people live within 50 km of this point.

Nearby, since 25 May 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 39 out of 100, at 80 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityMedium
Calamity Score (ours)39 / 100
Our confidence80%
Coordinates34.3220, -112.6140
Nearest CityPrescott (28 km)
Population Exposed84.1K within 50 km
Impact Tiersignificant
Timestamp2026-07-12T23:47:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ba4491ede612ce81ae7fc3c581de095dbcf167cc.001.1

Score Breakdown

35
intensity
55
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescYavapai, AZ
HeadlineSevere Thunderstorm Warning issued July 12 at 4:47PM MST until July 12 at 5:00PM MST by NWS Flagstaff AZ
Expires2026-07-12T17:00:00-07:00
SenderNameNWS Flagstaff AZ
HasExactCoordstrue

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.

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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