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w8eeo

Posts: 2,219 Member Since: 10/04/08

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Jun 20 15 11:01 AM

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 On June 18th, the sun produced its biggest flare in nearly two months. The M3-class explosion caused a brief low-frequency radio blackout over North America and hurled a CME into space.A glancing blow from the CME is likely on June 21st, possibly sparking a geomagnetic storm and solstice auroras.Check http://spaceweather.com for updates.
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w8eeo

Posts: 2,219 Member Since:10/04/08

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Jun 26 15 12:25 AM

Another CM is on!

 Space Weather reports the big sunspot AR2371 erupted again on June 22 (18:23 UT), producing a strong M6.5 class solar flare

The explosion also hurled a full-halo Coronal Mass Ejection (CME) directly toward Earth. The SWPC say arrival is expected June 24 at 2300 UT 
(7 pm EDT). Sky watchers should prepare for more geomagnetic storms and auroras on Wednesday night.

Listen out for auroral signals in the SSB sections of the 50/70/144 MHz bands.

Read the ARRL story at
http://www.arrl.org/news/geomagnetic-storming-reaches-severe-level

Space Weather
http://spaceweather.com/

Space Weather Prediction Center (SWPC)
http://www.swpc.noaa.gov/news/another-storm-forecast-wednesday-nightthursday

Aurora Watch UK - Alerts from Lancaster University
http://aurorawatch.lancs.ac.uk/
https://twitter.com/aurorawatchuk

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