Solar activity forecast for the period January 18 - 19, 2018


Issued: 2018 January 17 17:15 UTC
                         
                         
Analysis from January 16/1700 UTC to January 17/1700 UTC: 

Sunspot Regions on the Disk 17/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) January 16: A3.5
Radio Flux 10.7 cm at 16/2300 UTC (Penticton): 72
Solar Wind Speed at 17/1645 UTC: 334.7 km/s, Density: 0.8 p/cm^3


Forecast:
 
activity level will be very low to 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 - A6.0
Radio Flux 10.7 cm: a fluctuation in the range 68-78

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