[Ips-wsgr] IPS Weekly Solar and Geophysical Report (27 July 12) issued 0349 UT on 27 Jul 2012

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 27 JULY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (20 JULY - 26 JULY)
Date     20    21    22    23    24    25    26
10cm     92    90    94    97   102   105   115
AFr      10     8     9     8    10     6 (  0)
Aaus     11     5     5     5     6     4 (  1)
T        43    47    52    52    61    57    61

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian region.
Frequencies:  Australian ionospheric F2 critical frequencies

20 Jul 
Solar:        very low
Geomagnetic:  Mostly Quiet to Unsettled with isolated Active 
              periods.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Weak ionospheric support over the UT day.

21 Jul 
Solar:        low
Geomagnetic:  Quiet with an isolated Unsettled period.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 40% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Weak ionospheric support over the UT day.

22 Jul 
Solar:        low
Geomagnetic:  Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day.
      Depressed by 25% during local night.      
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Generally poor ionospheric support over the 
      UT day.

23 Jul 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

24 Jul 
Solar:        low
Geomagnetic:  Quiet to Unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 45% during local night.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 40% during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

25 Jul 
Solar:        very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

26 Jul 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

 
2. FORECAST (27 JULY - 02 AUGUST)
Solar: Low possibly increasing towards the end of the forecast period.

Geomagnetic: Quiet 27-28, increasing to possible Active levels
during 29-30 July, returning to mostly Unsettled to Quiet levels
towards the end of the forecast period.  

Frequencies: Mild depressions at times early in forecast period improving
to mostly near predicted monthly values for remainder of forecast period.


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

IPS Radio and Space Services        email: asfc at ips.gov.au
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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