Solar activity forecast for the period March 9 - 10, 2017


Issued: 2017 March 8 17:30 UTC


Analysis from March 07/1700 UTC to March 08/1715 UTC:

Sunspot Regions on the Disk 08/1653 UTC (SDO Continuum): 0
The Largest Event: B5.1 at 08/0542 UTC
X-ray background flux (1.0-8.0 A) March 7: A1.1 (invalid data)
Radio Flux 10.7 cm at 07/2300 UTC (Penticton): 72
Solar Wind Speed at 08/1700 UTC: 558.6 km/s, Density: 3.1 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 05, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A5.0 - A8.5
Radio Flux 10.7 cm: a fluctuation in the range 68 - 76

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