Solar activity forecast for the period April 2 - 3, 2017


Issued: 2017 April 1 17:15 UTC


Analysis from March 31/1700 UTC to April 01/1700 UTC:

Sunspot Regions on the Disk 01/1623 UTC (SDO Continuum): 5
The Largest Event: C1.7 from Region 2645 at 31/1737 UTC
                   C1.1 from Region 2645 at 31/2301 UTC
X-ray background flux (1.0-8.0 A) March 31: B1.1
Radio Flux 10.7 cm at 31/2300 UTC (Penticton): 92
Solar Wind Speed at 01/1645 UTC: 603.7 km/s, Density: 1.0 p/cm^3


Forecast:
 
activity level will be low to moderate
Event probabilities: Class C: 80, Class M: 20, Class X: 05, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A8.5 - B3.0
Radio Flux 10.7 cm: a fluctuation in the range 84 - 100

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