Solar activity forecast for the period December 9 - December 15,
2016
Activity level: mostly very low to low
X-ray background flux
(1.0-8.0 A): in the range A6.5-B1.5
Radio flux (10.7 cm): a fluctuation in
the range 60-90 f.u.
Events: class C (0-2/day), class M (0/period), class X
(0/period), proton (0/period)
Relative sunspot number (Ri): in the range
0-55
Tomas Blaha
RWC Prague, Astronomical Institute, Solar Dept.,
Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
Geomagnetic
activity forecast for the period December 9 - December 15,
2016
Quiet: Dec 12 - 15
Unsettled: Dec 9 - 11
Active: Dec 9 -
10
Minor storm: 0
Major storm: 0
Severe storm: 0
Geomagnetic
activity summary:
We expect active conditions at Dec 9 and 10. At Dec 11, we
expect
maximally unsetled episode.
Next days, we expect solar wind speed
decrease and return to quiet to
unsettled conditions.
Tomas
Bayer
RWC Prague
Institute of Geophysics of the ASCR, Prague
Department
of Geomagnetism
Budkov observatory (BDV)
Geomagnetic activity forecast
for the period December 9 - January 7, 2017
Geomagnetic field will
be:
quiet on December 14 - 17, 29 - 31, January 1
mostly quiet on
December 13, 18, 27 - 28, January 2
quiet to unsettled on December 11 - 12,
26
quiet to active on December 9 - 10, 19, 23 - 25, January 3
active to
disturbed on December 8, 20 - 22, January 4
Amplifications of the solar
wind from coronal holes are expected
on December 9 - 10 (11, 14 - 15, 18 -
20), January 2 - 3
Remark:
- Parenthesis means lower probability of
activity enhancement.
F. K. Janda, OK1HH
Czech Propagation Interested
Group
(OK1HH & OK1MGW, weekly forecasts since 1978)
e-mail:
ok1hh(at)rsys.cz
