Týdenní předpověď

Datum vydání předpovědi:

Solar activity forecast for the period November 20 - November 25, 2020

Activity level: mostly very low
X-ray background flux (1.0-8.0 A): in the range B0.0 - B2.5
Radio flux (10.7 cm): a fluctuation in the range 79-85 f.u.
Events: class C (0-5/period), class M (0/period), class X (0/period),
proton (0/period)
Relative sunspot number (Ri): in the range 11-50

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 19 - November 25, 2020

Quiet: Nov 25 - 26
Unsettled: Nov 21 - 25
Active: Nov 21 - 22
Minor storm: Nov 19 - 20
Major storm: 0
Severe storm: 0

Geomagnetic activity summary:
Within the two coming days, we expect an unsettled to active event. The active event is expected to peak tomorrow, 
i.e. Friday, November 20. Then, the coming days, we expect geomagnetic activity decrease to unsettled level. 
The last day, November 26, we expect quiet conditions return.

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

Geomagnetic activity forecast for the period November 20 - December 16, 2020

Geomagnetic field will be
quiet on: December  1, 6 - 8, 12 - 14, (15 - 16)
quiet to unsettled on: November 28 - 30, December 2, 4, 10 - 11
quiet to active on: November 26 - 27, December 3, 5, 9
unsettled to active: November (20,) 21 - 22, (23 - 25)
active to disturbed: -
 
Solar wind will intensify on: November (20,) 21 - 25, (30,)
December (2,) 3 - 5, (9)
 
Remarks:
- Parenthesis means lower probability of activity enhancement.
- The predictability of changes remains lower because there are
  few unambiguous indications.

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 

Odběr týdenních předpovědí

Pro odběr týdenních předpovědí přes email se prosím přihlaste na: sunwatch "at-sign" asu.cas.cz