Wednesday, July 25, 2012

Radiation Storm from July 23rd Continues

The above X-ray image of the sun was taken on July 25th at 03:16 UTC (11:16 PM EDT July 24th) by the GOES-15 satellite. Image Credit: NOAA

Earth continues to experience a minor (S1) solar radiation storm that began July 23rd, when Active Region 1520 (AR 1520) produced a solar flare and an intense CME. Fortunately for Earth, AR 1520 was well beyond the sun's western limb at that point, and not in the line of sight of the CME. Even so, Earth is experiencing a portion of the solar radiation. A nasty CME indeed. Forecasters expect the storm to end in the next 24 hours.

To monitor solar flare activity minute by minute, visit the "Today's Space Weather" page of NOAA's Space Weather Prediction Center, URL: .

To learn more about the sun and to stay current on solar activity, visit the mission home pages of the Solar Dynamics Observatory (SDO), and the Solar and Heliospheric Observatory (SOHO), .


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