[Ips-wsgr] IPS Weekly Solar and Geophysical Report (19 August 05)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 19 AUGUST 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (12 AUGUST - 18 AUGUST)
Date     12    13    14    15    16    17    18
10cm     76    75    75    76    76    77    83
AFr       3    14     6     6    12    11 ( 10)
Aaus      4    10     7     5    14    13 ( 12)
T        24    31    29    20    33    29    29

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian Region.
Frequencies:  Australian Ionospheric F2 critical frequencies

12 Aug 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 15% over the UT day.

13 Aug 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Depressed by 35% during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 35% over the UT day.

14 Aug 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
      Enhanced by 20% during local day,
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

15 Aug 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
near predicted monthly values

16 Aug 
Solar:        very low
Geomagnetic:  Unsettled to active 

Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 20% during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

17 Aug 
Solar:        very low
Geomagnetic:  Mostly unsettled. 

Frequencies:  
near predicted monthly values

18 Aug 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
near predicted monthly values

 
2. FORECAST (19 AUGUST - 25 AUGUST)
Solar: 
Very Low to Low

Geomagnetic:  
active 24 Aug to 25 Aug.
quiet to unsettled on other days.

Frequencies:  
briefly depressed after local dawn 24 to 25 Aug
MUFs near predicted monthly values on other days.

PLEASE NOTE: 
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.

For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.


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