Weekly forecast

Solar activity forecast for the period November 15 - November 21, 2019

Activity level: mostly very low
X-ray background flux (1.0-8.0 A): in the range A7.2-A8.2
Radio flux (10.7 cm): a fluctuation in the range 70-73 f.u.
Events: class C (0/period), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-25

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

Geomagnetic activity forecast for the period November 15 - November 21, 2019

Quiet: Nov 15, 17, 19 - 20
Unsettled: Nov 16 - 18
Active: Nov 20 - 21
Minor storm: possible Nov 21
Major storm: 0
Severe storm: 0

Geomagntic activity summary:
Next week, we expect quiet to unsettled conditions till November 19 - 20. At the end of forecasted period, an active
event is expected. About November 21, the active episode can peak with a minor storming effect.
The previous days, before this event, are expected within the quiet to unsettled range. The unsettled 
event is possible about November 16 and November 18. The other days within this range should be predominantly quiet.

Tomas Bayer
RWC Prague
Institute of Geophysics of the ASCR, Prague
Department of Geomagnetism
Budkov observatory (BDV) 

Geomagnetic activity forecast for the period November 15 - December 10, 2019

Geomagnetic field will be 
quiet on: November 18 - 19, 29 - 30, December 1 
quiet to unsettled on: November  15, 27 - 28, December 4 - 10 
quiet to active on: November 16 (- 17, 25 - 26), December 2 - 3 
unsettled to active on: November 20, 24 
active to disturbed: November 21 - 23 
 
Solar wind will intensify on: November 21 - 26, (27 - 29) 
 
Remarks: 
- Parenthesis means lower probability of activity enhancement. 

F. K. Janda, OK1HH 
(from Czech Propagation Interested Group 
compiling this geomagnetic activity weekly forecasts since January 1978). 
Email: ok1hh(at)rsys.cz 
Pmail: OK1HH(at)OK0NAG.#BOH.CZE.EU 
 

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