Daily forecast

Data type:
JSON, Legacy format
Forecast issued date:
Issued: 2018 August 21 17:00 UTC

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

Sunspot Regions on the Disk 21/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) August 20: A1.0
Radio Flux 10.7 cm at 20/2300 UTC (Penticton): 68
Solar Wind Speed at 21/1645 UTC: 555.6 km/s, density : 0.9 p/cm^3


Activity level will be: very low - explanation
Event probabilities: Class C: 10%, Class M: 01%, Class X: 01%, Proton: 01%
X-ray background flux (1.0-8.0 A): in the range A1.0 - A1.8
Radio Flux 10.7 cm: a fluctuation in the range 67-70

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