Solar activity forecast for the period May 3 - 4, 2017


Issued: 2017 May 2 17:15 UTC


Analysis from May 01/1700 UTC to May 02/1700 UTC:

Sunspot Regions on the Disk 02/1623 UTC (SDO Continuum): 3
The Largest Event: no X-ray events
X-ray background flux (1.0-8.0 A) May 1: A6.2
Radio Flux 10.7 cm at 01/2300 UTC (Penticton): 75
Solar Wind Speed at 02/1645 UTC: 423.9 km/s, Density: 7.3 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 15, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A5.5 - A9.5
Radio Flux 10.7 cm: a fluctuation in the range 68 - 82

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