Solar activity forecast for the period February 3 - 4 2018


Issued: 2018 February 2 17:15 UTC
                         
                         
Analysis from February 01/1700 UTC to February 02/1700 UTC: 

Sunspot Regions on the Disk 02/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) February 1: A2.3
Radio Flux 10.7 cm at 01/2300 UTC (Penticton): 69
Solar Wind Speed at 02/1645 UTC: 344.4 km/s, Density: 1.6 p/cm^3


Forecast:
 
activity level will be very low 
Event probabilities: Class C: 05, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A2.0 - A3.5
Radio Flux 10.7 cm: a fluctuation in the range 67-74

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