Weekly forecast

Solar activity forecast for the period October 30 - November 05, 2020

Activity level: mostly very low to low
X-ray background flux (1.0-8.0 A): in the range A8.0 - B2.5
Radio flux (10.7 cm): a fluctuation in the range 75-83 f.u.
Events: class C (1-5/period), class M (0/period), class X (0/period),
proton (0/period)
Relative sunspot number (Ri): in the range 11-80

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

Geomagnetic activity forecast for the period October 30 - November 05, 2020

Quiet: Oct 29 - 31, Nov 1, 4 - 5
Unsettled: Oct 29, Nov 2 - 4
Active: unlikely Nov 2 - 4
Minor storm: 0
Major storm: 0
Severe storm: 0

Geomagnetic activity summary:
Next week, we expect genrally geomagnetic activity decrease (although, 
at the second half of the forecasted period, any unsettled to active 
episode is also possible).
Since Saturday, October 31, we expect at most quiet conditions return. 
To the Thursady, November 5, We expect quiet to unsettled conditions 
with the above mentioned more unsettled episode between November 2 
and 4.

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

Geomagnetic activity forecast for the period October 30 - November 25, 2020

Geomagnetic field will be
quiet on: November 5 - 7, 10 - 11
quiet to unsettled on: October 31, November 12 - 15
quiet to active on: October (30,) November (3 - 4, 8 - 9,) 16, 23 - 25
unsettled to active: November (1 - 2, 17 - 19,) 21 - 22
active to disturbed: November 20

Solar wind will intensify on: October (30 - 31,)
November (2 ,) 3 - 5, (18 - 20,) 21 - 25

Remark:
- 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 or janda(at)planetum.cz
Pmail: OK1HH(at)OK0NAG.#BOH.CZE.EU

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