NOAA / Space Weather Prediction Center
Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #12-33
2012 July 15 at 10:03 p.m. MDT (2012 July 16 0403 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For July 9-15
Category G1 (Minor) geomagnetic storms occurred on 09, 14 and 15 July. G2 (Moderate) geomagnetic storms occurred on 15 July due to a coronal mass ejection. S1 (Minor) solar radiation storms were observed on 09 and 12-15 July due to solar activity from active sunspot Regions 1515 and 1520, respectively. Category R1 (Minor) radio blackouts were observed on 09, 10 and 14 July due to flare activity from Regions 1520 and 1521. R3 (Strong) radio blackouts were observed on 12 July due to flare activity from Region 1520.
Outlook For July 16-22
Categories G1 (Minor) and G2 (Moderate) geomagnetic storms are expected on 16 July due lasting effects of the coronal mass ejection that arrived on 15 July.
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NOAA Space Weather Scales - Description of catagories used in Outlooks.
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