Today we are awaiting the arrival of a Earth directed CME that was ejected from the solar surface on March 15, 2013. While we wait for this CME to arrive, we thought it would be a good time to update everyone with the info we have on this CME. We have our original report on this CME that you can view HERE. A geomagnetic storm watch is in effect for the next 24-48 hours when this CME is expected to arrive with G1 (Minor) geomagnetic storm expected for the Saturday March 16th and G2 (Moderate) storming expected for Sunday March 17th. (click HERE to view the Geomagnetic Storm Scales)
Any and All updates will be added to the bottom of this report in the spacial 'UPDATE' section. Be sure to check back often through today to find out about any change in conditions.
CME arrival is due Today:
March 16th @ 17:00 UTC - March 17th @ 03:00 UTC
March 16th @ 1pm EST - 11pm EST
March 16th @ 10am PST - 8pm PST
(all times are +/- 6hr)
*this CME was traveling away from the solar surface at a speed of 900 km/s (2 million mph) when it left the solar surface.
Event Issue Date: 2013-03-15 09:23:51.0 GMTCME Arrival Time: 2013-03-16 16:59:03.0 GMT
Arival Time Confidence Level: ± 6 hours
Disturbance Duration: 4 hours
Disturbance Duration Confidence Level: ± 8 hours
Magnetopause Standoff Distance: 4.3 Re
Credit: NASA ISWA