Solar activity forecast for the period January 24 - 25, 2017


Issued: 2017 January 23 17:15 UTC


Analysis from January 22/1700 UTC to January 23/1700 UTC:

Sunspot Regions on the Disk 23/1623 UTC (SDO Continuum): 4
The Largest Event: No X-ray event
X-ray background flux (1.0-8.0 A) January 22: B1.3
Radio Flux 10.7 cm at 22/2300 UTC (Penticton): 87
Solar Wind Speed at 23/1645 UTC: 408.7 km/s, Density: 3.1 p/cm^3


Forecast:
 
activity level will be low
Event probabilities: Class C: 40, Class M: 10, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A9.5 - B2.0
Radio Flux 10.7 cm: a fluctuation in the range 82 - 90

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