Solar activity forecast for the period March 29 - 30, 2017


Issued: 2017 March 28 17:15 UTC


Analysis from March 27/1700 UTC to March 28/1700 UTC:

Sunspot Regions on the Disk 28/1641 UTC (SDO Continuum): 3
The Largest Event: C1.6 from Region 2645 at 27/1712 UTC
		   C3.2 from Region 2645 at 28/0456 UTC
X-ray background flux (1.0-8.0 A) March 27: B1.0
Radio Flux 10.7 cm at 27/2300 UTC (Penticton): 85
Solar Wind Speed at 28/1645 UTC: 663.4 km/s, Density: 1.5 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