Coronal Mass Ejection !
The flare is expected to cause vibrant northern lights from the Arctic as far south as New York, the Dakotas, Washington and Michigan, with a smaller possibility of it going into Pennsylvania and Iowa, even Kansas.
The lights are currently estimated for 8 p.m. EDT Saturday arrival, with a possible deviation of up to seven hours.
Below are links to visibility around the globe.
North America
Eurasia
South Australia, New Zealand
The average equatorward boundary of the midnight aurora is shown for levels of magnetic activity ranging from relatively low, Kp=3, to very high, Kp=9.
The above pic is from NASA – M 6.5 class flare 3:16am EDT April 11; leaving the sun at over 600 miles per second. Note: we are entering solar maximum cycle, which is
expected in late 2013.
more maps, info here and also NOOA Space Weather
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Peace out
GMA