Impulsive solar flare measuring M1.2 erupted from AR 1654 [1]

Source: The Watchers [2] - 1/11/13, By Adonai

A moderate but impulsive M-class solar flare measuring M1.2 erupted from big Active Region 1654 on January 11, 2013 at 09:11 UTC. A Coronal Mass Ejection (CME) is expected as ejecta has been observed exiting the blast area.  A Type II and Type IV Radio Emissions were associated with the event. AR 1654 is rotating into more geoeffective position and has beta-gamma magnetic configuration capable of producing more M-class flares. Watch out for this region in the coming days.

The event started at 08:43, peaked at 09:11 and ended at 09:17 UTC.

[3]

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Space Weather Message Code: ALTTP4

Serial Number: 399
Issue Time: 2013 Jan 11 1006 UTC

ALERT: Type IV Radio Emission
Begin Time: 2013 Jan 11 0930 UTC
Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.

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Space Weather Message Code: ALTTP2
Serial Number: 833
Issue Time: 2013 Jan 11 0940 UTC

ALERT: Type II Radio Emission
Begin Time: 2013 Jan 11 0914 UTC
Estimated Velocity: 537 km/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.

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Featured image: AR 1654 at the time of M1.2 solar flare eruption – January 11, 2013. Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.