Issue Time: 2012 Nov 21 0728 UTC
ALERT: Type II Radio Emission
Begin Time: 2012 Nov 21 0654 UTC
Estimated Velocity: 720 km/s
NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/NOAAscales
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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View Comments
hello! I wonder if it is true that on December 21 we will have three days of darkness, thanks.
hola! quisiera saber si es verdad que el 21 de diciembre tendremos 3 dias de oscuridad, gracias.