Planet Briefing

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Thunderstorms and lightning

Special Marine Warning — NWS Los Angeles/Oxnard CA

Original source title

Special Marine Warning issued October 21 at 8:09PM PDT until October 21 at 8:45PM PDT by NWS Los Angeles/Oxnard CA

Reported by U.S. National Weather Service Alerts NWS

A National Weather Service warning covered marine areas off California where severe thunderstorms capable of producing waterspouts were reported. It was valid until 8:45 PM PDT on October 21.

At a glance

  • Affected location: California coastal waters
  • It was valid until 8:45 PM PDT on October 21.
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Why it matters

The alert identifies an immediate severe-thunderstorm threat across specified California waters.

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
3/10
Global importance
2/10
Impact magnitude
3/10
Urgency
9/10

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