Space Weather Alert

Space Weather AlertIssue Time: 2015 Jul 18 1529 UTC

ALERT: Type II Radio Emission
Begin Time: 2015 Jul 18 1450 UTC
Estimated Velocity: 418 km/s

www.swpc.noaa.gov/noaa-scales-explanation

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.

NOAA Space Weather Scales (meaning of R1, S1, Etc.) can be found athttp://www.knowledgeorb.com/current-space-weather/noaa-space-weather-scales/

About the author

Recipient of many prestigious NASA Awards including the Exceptional Public Service Medal and the Robert H. Goddard award. Experience includes working for NASA, as a contractor, in satellite design, construction and operations. Expert in the satellite operations concepts and ground systems including command, control, and science data processing.