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NOAA SWPC / CAPTURE HISTORY

ALERT: Type II Radio Emission

Latest captured source record. This is an archive, not a current warning service.

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First tracked
2026-10-09 17:11:48.776Z
Last seen in a feed
2026-10-09 17:59:50.706Z
Source classification
ALERT · Published bulletin

ALERT: Type II Radio Emission · Begin Time: 2026 Oct 08 1642 UTC · Estimate Velocity: 4125 km/s · Comment: Type II speed recorded by Sagamore Hill RSTN site.

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How the record changed

Only changes captured by this journal are listed; this is not the authority’s complete history. Timestamps distinguish publication from our capture. Missing messages are never treated as cancellations.

  1. baseline · Captured 2026-10-09 17:11:48.776Z

    ALERT: Type II Radio Emission

    ALERT: Type II Radio Emission · Begin Time: 2026 Oct 08 1642 UTC · Estimate Velocity: 4125 km/s · Comment: Type II speed recorded by Sagamore Hill RSTN site.

    Source issued/updated 2026-10-08T16:43:45.180Z · Published bulletin

    Source for this capture ↗