Solar activity forecast for the period May 22 - May 23, 2019

Issued: 2019 May 21 17:00 UTC


Analysis from May 20/1700 UTC to May 21/1700 UTC:

Sunspot Regions on the Disk 21/1629 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) May 20: A6.7
Radio Flux 10.7 cm at 20/2300 UTC (Penticton): 67
Solar Wind Speed at 21/1645 UTC: 377.1 km/s, Density: 3.3 p/cm^3


Forecast:

activity level will be very low
Event probabilities: Class C: 01, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A5.5 - A6.5
Radio Flux 10.7 cm: a fluctuation in the range 67-68

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