Solar activity forecast for the period March 27 - 28, 2017


Issued: 2017 March 26 17:15 UTC


Analysis from March 25/1700 UTC to March 26/1700 UTC:

Sunspot Regions on the Disk 26/1623 UTC (SDO Continuum): 1
The Largest Event: B4.0 at 26/0234 UTC
X-ray background flux (1.0-8.0 A) March 25: A0.0 (invalid data?)
Radio Flux 10.7 cm at 25/2300 UTC (Penticton): 74
Solar Wind Speed at 26/1645 UTC: 364.2 km/s, Density: 7.6 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 20, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A5.5 - B1.0
Radio Flux 10.7 cm: a fluctuation in the range 70 - 78

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