[Ips-wsgr] IPS Weekly Solar and Geophysical Report (02 September 05)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 02 SEPTEMBER 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (26 AUGUST - 01 SEPTEMBER)
Date     26    27    28    29    30    31    01
10cm     93    92    90    89    86    84    79
AFr       5     4     5     5     3    17 ( 22)
Aaus      5     5     4     5     3    33 ( 10)
T        22    32    30    42    37    40     7

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

26 Aug 
Solar:        low
Geomagnetic:  Quiet to Unsettled 

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

27 Aug 
Solar:        low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
     Enhanced by 15% during local day,
     Depressed 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):
     Near predicted monthly values over the UT day.

28 Aug 
Solar:        moderate, with an   M1.6 at 1030UT 
Geomagnetic:  Quiet 

Frequencies:  
near predicted monthly values

29 Aug 
Solar:        low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
slightly above predicted monthly values

30 Aug 
Solar:        low
Geomagnetic:  Quiet 

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

31 Aug 
Solar:        low
Geomagnetic:  Quiet to Major Storm 
A weak (21nT) impulse was observed in the IPS magnetometer data at 1537UT on 31
Aug.
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 20% 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.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.

01 Sep 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Depressed by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

 
2. FORECAST (02 SEPTEMBER - 08 SEPTEMBER)
Solar: 
Low

Geomagnetic:  
Unsettled to Active on 02Sep-03Sep, 05Sep.
Quiet to Unsettled on other days. No coronal hole
effects or major flares expected for the first 3 days
of this forecast.

Frequencies:  
Briefly depressed after local dawn on 05Sep.
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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