Planet Briefing

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Thunderstorms and lightning

Severe Thunderstorm Warning — NWS Phoenix AZ

Original source title

Severe Thunderstorm Warning issued October 21 at 5:05PM MST until October 21 at 5:30PM MST by NWS Phoenix AZ

Reported by U.S. National Weather Service Alerts NWS

A radar-indicated severe thunderstorm near Sugarloaf Mountain was moving north at 40 mph across areas of Gila and Maricopa counties, Arizona. The alert cited possible 60 mph wind gusts and half-dollar-size hail and instructed people to seek shelter immediately.

At a glance

  • Affected location: Gila and Maricopa counties, Arizona
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Why it matters

The warning reported damaging-wind and large-hail hazards and advised immediate shelter in a well-built structure.

Location

Highlighted marker: this event.

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence
7/10
Geographic reach
2/10
Global importance
2/10
Impact magnitude
4/10
Urgency
9/10

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