Solar activity forecast for the period February 26 - 27, 2017


Issued: 2017 February 25 19:30 UTC


Analysis from February 24/1700 UTC to February 25/1915 UTC:

Sunspot Regions on the Disk 25/1841 UTC (SDO Continuum): 3
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) February 24: A9.0
Radio Flux 10.7 cm at 24/2300 UTC (Penticton): 82
Solar Wind Speed at 25/1900 UTC: 481.5 km/s, Density: 2.6 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 20, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A7.5 - A9.5
Radio Flux 10.7 cm: a fluctuation in the range 78 - 86

Tomas Blaha
RWC Prague, Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz