FORECAST SOL: Moderate yellow MAG: Moderate yellow ION: Normal green
HomeSolarSolar ConditionsSummary and Forecast Monday, Oct 23 2017 04:21 UT
Solar Conditions

Summary and Forecast

Solar Summary

(last updated 22 Oct 2017 23:30 UT)

Activity 22 Oct: Very low Flares: none. Observed 10.7 cm flux/Equivalent Sunspot Number for 22 Oct: 77/16

Solar Forecast

(last updated 22 Oct 2017 23:30 UT)

23 Oct 24 Oct 25 Oct Activity Very low to low Low to moderate Low to moderate Fadeouts None expected Possible Possible 10.7cm/SSN 82/23 84/26 85/27 COMMENT: Solar activity was Very Low for the UT day, 22 October. Returning active region 2683 will be rotating onto the visible solar disc, most likely later in the UT day. Expect Very Low to Low solar activity for the UT day, 23 October with a slight chance of M-class flares. No Earthward directed CMEs were observed in the available LASCO C2 imagery up to 22/1936UT. The solar wind gradually decreased from 505 to 390 km/s and is currently near 400 km/s. The interplanetary magnetic field Btotal ranged between 3-7 nT over the last 24 hours, currently, ~5nT, while the Bz component fluctuated between +/-5 nT. Expect the solar wind to remain at nominal levels for today and then increase to elevated levels on 24 October due to the influence of a recurrent positive polarity coronal hole.

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

go to top of page