Daily forecast

Data type:
JSON, Legacy format
Forecast issued date:
Issued: 2019 February 21 17:00 UTC

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

Sunspot Regions on the Disk 21/1553 UTC (SDO Continuum): 0
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) February 20: A0.0
Radio Flux 10.7 cm at 20/2300 UTC (Penticton): 70
Solar Wind Speed at 21/1638 UTC: 444.5 km/s, density : 4.4 p/cm^3


Activity level will be: very low - explanation
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 A0.0-A1.2
Radio Flux 10.7 cm: a fluctuation in the range 70-73

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