ONDREJOV
FORECASTS
Provided
by our member Frantisek Janda, OK1HH, this is the weekly forecast of
solar and geomagnetic activitiy, as released by the Astronomical
Institute, Solar Dept., Ondrejov, Czech Republic.
This part of the
DTC web site is refreshed once a week to keep you up to date.
These
weekly Ondrejov Forecasts are also aired on HF by DKØDTC as
part of our regular Monday QTC transmissions.
Solar
activity forecast for the period August 29 to September 4, 2008
Activity level: very low
Radio flux (10.7 cm): a fluctuation in the range of 64-70 f.u.
Flares: weak : 0-3/day
middle: ~0
large : ~0
Relative sunspot number: in the range of 0-25
Astronomical
Institute, Solar Dept., Ondrejov, Czech Republic (RWC Prague)
Geomagnetic
activity forecast for the period August
29 to September 4, 2008
quiet: August 29, 30, 31,
September 1, 2 and 3
quiet to unsettled: September 4
unsettled: -
unsettled to active: -
active: -
active to minor storm: -
minor storm: -
major storm: -
severe storm: -
Geomagnetic activity summary:
The geomagnetic field was
quiet on August 20-27
quiet to unsettled on -
unsettled on August 19
unsettled to active on August 18
active on -
active to minor storm on -
minor storm on -
minor to major storm on -
major storm on -
RWC Prague, Geophysical Institute, Geomagnetic Dept., Prague, Czech Republic
Geomagnetic
activity forecast for the period of one solar rotation
unsettled to active: September (6-7), 13
active to disturbed: September 5, 14
quiet: August 29-31,
September 1-3, (4), (8-12),
September (15), 16-24
Survey:
quiet on August 20-27
mostly quiet on -
quiet to unsettled on -
quiet to active on -
quiet to disturbed on -
mostly unsettled on -
unsettled on -
active on -
unsettled to active on -
unsettled to disturbed on -
mostly active on -
active to disturbed on -
disturbed on -
NOTICE:
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Days in brackets refer to a lower probability of possible solar
activity enhancements depending on previous developments on the
sun.
Frantisek K. Janda, OK1HH, Czech Propagation Interested Group