Solar activity forecast for the period March 30 - 31, 2017


Issued: 2017 March 29 17:15 UTC


Analysis from March 28/1700 UTC to March 29/1700 UTC:

Sunspot Regions on the Disk 29/1641 UTC (SDO Continuum): 3
The Largest Event: B4.5 at 29/0140 UTC
X-ray background flux (1.0-8.0 A) March 28: B1.3
Radio Flux 10.7 cm at 28/2300 UTC (Penticton): 86
Solar Wind Speed at 29/1645 UTC: 611.8 km/s, Density: 2.0 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 - B2.5
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