Solar activity forecast for the period March 11 - 12, 2017


Issued: 2017 March 10 18:30 UTC


Analysis from March 09/1700 UTC to March 10/1815 UTC:

Sunspot Regions on the Disk 10/1741 UTC (SDO Continuum): 0
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) March 9: A3.1 (invalid data)
Radio Flux 10.7 cm at 09/2300 UTC (Penticton): 71
Solar Wind Speed at 10/1800 UTC: 458.8 km/s, Density: 4.0 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 67 - 75

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