Solar activity forecast for the period April 22 - April 28, 2016
Activity level: mostly very low to low
X-ray background flux (1.0-8.0
A): in the range A6.0-B4.0
Radio flux (10.7 cm): a fluctuation in the range
75-100 f.u.
Events: class C (0-4/day), class M (0-1/period), class X
(0/period), proton (0/period)
Relative sunspot number (Ri): in the range
10-75
Ivana Macourkova
RWC Prague, Astronomical Institute, Solar
Dept., Ondrejov, Czech Republic
e-mail:
sunwatch(at)asu.cas.cz
Geomagnetic activity forecast for the period
April 21 - April 28, 2016
Quiet: Apr 21, 22, 26 - 28
Unsettled: Apr
24 - 25
Active: Apr 23
Minor storm: 0
Major storm: 0
Severe storm:
0
Geomagnetic activity summary: geomagnetic field was guiet
on Apr 15,
18, and 19, unsettled on Apr 16 and 17, unsettled
to active on Apr
14.
RWC Prague
institute of Geophysics of the ASCR,
Prague
Department of Geomagnetism
Geomagnetic activity forecast
for the period April 22 - May 18, 2016
Geomagnetic field will
be:
quiet on April 27, May 7, 12, 16 - 18
mostly quiet on April 22, 28,
May 1, 3, 6, 13, 15
quiet to unsettled on April 25 - 26, May 2, 4, 8
quiet
to active on April 24, 29, May 9, 11, 14
active to disturbed on April 23, 30,
May 5, 10
Amplifications of the solar wind are expected on
April 23 -
26, 29 - 30, May 4 - 5, 10 - 11, 14
Remarks:
- Parenthesis means lower
probability of activity enhancement.
- The situation has been changed,
neither occur again.
F. K. Janda, OK1HH
Czech Propagation Interested
Group
(OK1HH & OK1MGW, weekly forecasts since 1978)
e-mail:
ok1hh(at)rsys.cz
