Solar activity forecast for the period May 26 - June 1, 2017
Activity
level: mostly very low to low
X-ray background flux (1.0-8.0 A): in the range
A4.5-B1.5
Radio flux (10.7 cm): a fluctuation in the range 68-90
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
0-75
Tomas Blaha
RWC Prague, Astronomical Institute, Solar Dept.,
Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
Geomagnetic
activity forecast for the period May 26 - June 1, 2017
Quiet: May 26
- 31
Unsettled: May 27 - 28, 31, Jun 1
Active: 0
Minor storm:
0
Major storm: 0
Severe storm: 0
Geomagnetic activity
summary:
Next week, we expect at most quiet to unsettled conditions. The
coming
three days, the magnetic field should be quiet with isolated
unsettled
periods. Then, the unsettled episodes are expected to waning,
since
Monday, May 29, we expect at most quiet conditions. The last days,
quiet
to unsettled level is probable.
Tomas Bayer
RWC
Prague
Institute of Geophysics of the ASCR, Prague
Department of
Geomagnetism
Budkov observatory (BDV)
Geomagnetic activity forecast
for the period May 26 - June 21, 2017
Geomagnetic field will be:
quiet on June 10,
mostly quiet on May 31, June 11,
quiet to
unsettled May 26 - 27, 30, June 3, 6 - 8, 14, 19
quiet to active on May 28 -
29, June 4 - 5, 15, 20
active to disturbed on June (1 - 2, 9,) 12 - 13, 16 -
18
Amplifications of the solar wind from coronal holes are expected
on May (30,) June (5 - 6,) 12 - 14, 16 - 18
Remark:
- Parenthesis
means lower probability of activity enhancement and/or
lower reliability of
prediction.
F. K. Janda, OK1HH
Czech Propagation Interested Group
OK1HH compiling weekly forecasts since 1978
e-mail: ok1hh(at)rsys.cz
