Solar activity forecast for the period April 1 - 2, 2017


Issued: 2017 March 31 17:15 UTC


Analysis from March 30/1700 UTC to March 31/1700 UTC:

Sunspot Regions on the Disk 31/1623 UTC (SDO Continuum): 3
The Largest Event: B5.0 at 31/0346 UTC
X-ray background flux (1.0-8.0 A) March 30: B1.3
Radio Flux 10.7 cm at 30/2300 UTC (Penticton): 86
Solar Wind Speed at 31/1645 UTC: 658.8 km/s, Density: 1.4 p/cm^3


Forecast:
 
activity level will be low
Event probabilities: Class C: 50, Class M: 10, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A8.5 - B2.0
Radio Flux 10.7 cm: a fluctuation in the range 80 - 90

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