A strong solar flare reaching M7.9 is currently in progress around Sunspot 1429. An R2 Radio Blackout resulted. Current data might be changed when new info becomes available.
Latest alert message by 18:00 UTC, March 13th:
Alert: Type II Radio Emission
Begin Time: 2012 Mar 13 17:15 UTC
Estimated Velocity: 1366 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.
Space Weather Message Code: ALTXMF
Serial Number: 169
Issue Time: 2012 Mar 13 17:27 UTC
ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2012 Mar 13 17:26 UTC
NOAA Scale: R2 – Moderate
NOAA Space Weather Scale descriptions can be found at
Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity.
http://www.hamqsl.com/solarvhf.php
http://www.swpc.noaa.gov/rt_plots/xray_1m.html
http://thewatchers.adorraeli.com/wp-con ... 20x250.png
http://thewatchers.adorraeli.com/wp-con ... iction.png
Solar flare Alert! M7.9
Moderatori: erboss, MeteoLive, jackfrost
