Earth directed and long duration X1.4 solar flare erupted from Sun

SUMMARY: 10cm Radio Burst
Begin Time: 2012 Jul 12 1614 UTC
Maximum Time: 2012 Jul 12 1653 UTC
End Time: 2012 Jul 12 1705 UTC
Duration: 51 minutes
Peak Flux: 800 sfu
Description: A 10cm radio burst indicates that the electromagnetic burst associated with a solar flare at the 10cm wavelength was double or greater than the initial 10cm radio background. This can be indicative of significant radio noise in association with a solar flare. This noise is generally short-lived but can cause interference for sensitive receivers including radar, GPS, and satellite communications.

ALERT: Type IV Radio Emission
Begin Time: 2012 Jul 12 1615 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.

ALERT: Type II Radio Emission
Begin Time: 2012 Jul 12 1625 UTC
Estimated Velocity: 1268 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.

Source:
http://thewatchers.adorraeli.com/2012/07/12/major-earth-directed-and-long-duration-x1-4-solar-flare-erupted-from-sunspot-1520/

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