Summary and Forecast

Solar Summary

(last updated 23 Oct 2017 23:44 UT)

Activity 23 Oct: Very low Flares: none. Observed 10.7 cm flux/Equivalent Sunspot Number for 23 Oct: 78/17

Solar Forecast

(last updated 23 Oct 2017 23:44 UT)

24 Oct 25 Oct 26 Oct Activity Very low to low Very low to low Very low to low Fadeouts None expected None expected None expected 10.7cm/SSN 78/17 78/17 77/16 COMMENT: Solar activity was Very Low over the last 24 hours. There are currently 2 regions on the visible disk, region 2685 (S09E46) and region 2686 (N13E70) and no earthward directed CMEs were observed in the available LASCO C2 imagery. The solar wind speed ranged between 349km/s and 413km/s over the UT day and is currently 355km/s at the time of this report. The north-south component of the interplanetary magnetic field Bz ranged between +4/-3nT. Solar wind speed is expected to increase to elevated levels between 24Oct-26Oct due to the influence of a recurrent positive polarity coronal hole that extends from the equator up to the north pole of the sun. Very Low to Low solar activity is expected for the next 3 days with a slight chance of M-class flares.

Solar Activity levels are explained in the SWS Solar Terrestrial Glossary.