Solar activity forecast for the period May 29 - June 4, 2015
Activity
level: mostly very low to low
X-ray background flux (1.0-8.0 A): in the range
B1.0-B7.5
Radio flux (10.7 cm): a fluctuation in the range 90-125
f.u.
Events: class C (0-10/day), class M (0-4/period), class X
(0/period),
proton (0/period)
Relative sunspot number (Ri): in the
range 10-85
Jozef Lesko
RWC Prague, Astronomical Institute, Solar
Dept., Ondrejov, Czech Republic
e-mail:
sunwatch(at)asu.cas.cz
_________________________________________________________________________
Geomagnetic
activity forecast for the period May 29 - June 4, 2015
Friday, May 29, we
expect unsettled conditions because of influence of
equatorial coronal
hole.
Then, till Tuesday June 2, we expect at the Budkov observatory quiet
to
unsettled conditions. The last days, June 3-4. active period is
possible.
Tomas Bayer
Institute of Geophysics ASCR
Budkov
Geomagnetic Observatory
(BDV)
_________________________________________________________________________
Geomagnetic
activity forecast for the period May 29 - June 17, 2015
Geomagnetic field
will be:
quiet on May June 13, 17
mostly quiet on May 30, June 1, 4 - 5,
12,
quiet to unsettled on May 29, 31, June 6
quiet to active on June 3, 7
- 9, 14, 16
active to disturbed on June 2, 15
disturbed on June 10 -
11
Amplifications of the solar wind are still mostly
unpredictable,
but some peaks are expected on May 30, June 2 - 3, (8 - 9,)
12.
Remark:
- Reliability of predictions remains reduced.
F. K.
Janda, OK1HH, Czech Propagation Interest Group
(OK1HH & OK1MGW, weekly
forecasts since 1978)
e-mail: ok1hh(at)rsys.cz (via Dario Monferini,
DXLD)
