Solar activity forecast for the period February 15 - February 16, 2026

Issued: 2026 February 14 17:00 UTC


Analysis from February 13/1700 UTC to February 14/1700 UTC:

Sunspot Regions on the Disk 14/1345 UTC (SDO Continuum): 10
The Largest Event: C6.0 from Region 4374 at 14/1113 UT
X-ray background flux (1.0-8.0 A) February 13: B6.0
Radio Flux 10.7 cm at 13/2300 UTC (Penticton): 117
Solar Wind Speed at 14/1645 UTC: 433.8 km/s, Density: 6.1 p/cm^3


Forecast:

activity level will be low
Event probabilities: Class C: 75, Class M: 30, Class X: 05, Proton: 05
X-ray background flux (1.0-8.0 A): in the range B5.0-C1.2
Radio Flux 10.7 cm: a fluctuation in the range 105-129

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