Solar activity forecast for the period May 26 - 27, 2017


Issued: 2017 May 25 17:15 UTC


Analysis from May 24/1700 UTC to May 25/1700 UTC:

Sunspot Regions on the Disk 25/1623 UTC (SDO Continuum): 2
The Largest Event: B2.2 at 25/1527 UTC
X-ray background flux (1.0-8.0 A) May 24: A8.0
Radio Flux 10.7 cm at 24/2300 UTC (Penticton): 78
Solar Wind Speed at 25/1645 UTC: 352.1 km/s, Density: 2.8 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 30, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A6.0 - A9.5
Radio Flux 10.7 cm: a fluctuation in the range 71 - 85

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