Solar activity forecast for the period May 2 - 3, 2017


Issued: 2017 May 1 17:15 UTC


Analysis from April 30/1700 UTC to May 01/1700 UTC:

Sunspot Regions on the Disk 01/1623 UTC (SDO Continuum): 2
The Largest Event: B9.9 at 01/0401 UTC
X-ray background flux (1.0-8.0 A) April 30: A7.3
Radio Flux 10.7 cm at 30/2300 UTC (Penticton): 77
Solar Wind Speed at 01/1645 UTC: 381.2 km/s, Density: 5.0 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 A6.5 - A9.5
Radio Flux 10.7 cm: a fluctuation in the range 70 - 84

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