Solar activity forecast for the period September 16 - September 22,
2016
Activity level: mostly very low to low
X-ray background flux
(1.0-8.0 A): in the range A7.0-B3.0
Radio flux (10.7 cm): a fluctuation in
the range 70-100 f.u.
Events: class C (0-3/day), class M (0-1/period), class
X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range
0-70
Tomas Blaha
RWC Prague, Astronomical Institute, Solar Dept.,
Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
Geomagnetic
activity forecast for the period September 16 - September 22,
2016
Quiet: Sep 16 - 17, 22
Unsettled: Sep 16 - 21
Active:
possible Sep 19 - 20
Minor storm: 0
Major storm:0
Severe storm:
0
Geomagnetic activity summary:
At the boundaries of forecasted time,
we expect quiet to unsettled
conditions. Quiet to unsettled conditions are
probable for most of the
whole time but between the Sep 18 to 20, an active
episode can occur.
Locally, we expect the episode at the active levels, the
local K-index
should not exceed K = 4.
Tomas Bayer
RWC
Prague
Institute of Geophysics of the ASCR, Prague
Department of
Geomagnetism
Budkov observatory (BDV)
Geomagnetic activity forecast
for the period September 16 - October 12, 2016
Geomagnetic field will
be:
quiet on September 18, 23 - 24, October 4 - 7, 11 - 12
mostly quiet
on September 16 - 17, 22, 25, October 3, 8
quiet to unsettled on September
21, 26 - 27, October 2, 9 - 10
quiet to active on September 19 - 20, October
1
active to disturbed on September 28 - 30
Amplifications of the
solar wind from coronal holes are expected
on September (18,) 22, 26 - 28,
October 1.
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
