Solar activity forecast for the period May 10 - May 11, 2024

Issued: 2024 May 09 17:00 UTC


Analysis from May 08/1700 UTC to May 09/1700 UTC:

Sunspot Regions on the Disk 09/1441 UTC (SDO Continuum): 9
The Largest Event: X2.3 from Region 3664 at 09/0913 UT
X-ray background flux (1.0-8.0 A) May 08: C9.2
Radio Flux 10.7 cm at 08/2300 UTC (Penticton): 263
Solar Wind Speed at 09/1645 UTC: 416.2 km/s, Density: 3.4 p/cm^3


Forecast:

activity level will be high to very high
Event probabilities: Class C: 99, Class M: 90, Class X: 55, Proton: 30
X-ray background flux (1.0-8.0 A): in the range C4.0-C7.2
Radio Flux 10.7 cm: a fluctuation in the range 231-276

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