Solar activity forecast for the period February 4 - 5 2018


Issued: 2018 February 3 17:15 UTC
                         
                         
Analysis from February 02/1700 UTC to February 03/1700 UTC: 

Sunspot Regions on the Disk 03/1623 UTC (SDO Continuum): 0
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) February 2: A2.4
Radio Flux 10.7 cm at 02/2300 UTC (Penticton): 69
Solar Wind Speed at 03/1645 UTC: 310.8 km/s, Density: 3.3 p/cm^3


Forecast:
 
activity level will be very low 
Event probabilities: Class C: 10, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A3.0 - A9.5
Radio Flux 10.7 cm: a fluctuation in the range 67-76

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