[Ips-wsgr] IPS Weekly Solar and Geophysical Report (11 March 05)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 11 MARCH 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (04 MARCH - 10 MARCH)
Date     04    05    06    07    08    09    10
10cm     79    81    84    87    94   100   102
AFr       1     8    17    28    17    13 ( 12)
Aaus      4    11    19    30    16    18 ( 12)
T        45    48    35    40    31    33    20

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

04 Mar 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
     No data available during local day,
     No data available during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 30% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

05 Mar 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
     No data available during local day,
     No data available during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 20% 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):
     Enhanced by 20% over the UT day.

06 Mar 
Solar:        very low
Geomagnetic:  mostly unsettled to active, with isolated minor 
              storm periods. 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      No data available during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

07 Mar 
Solar:        very low
Geomagnetic:  Unsettled to Minor Storm 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      15-30% enahnced at local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 15% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

08 Mar 
Solar:        very low
Geomagnetic:  Unsettled to Active 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 20% 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.

09 Mar 
Solar:        very low
Geomagnetic:  Unsettled to Active 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of degradations and depressions.

10 Mar 
Solar:        low
Geomagnetic:  Mostly quiet to unsettled with isolated active 
              periods. 
A weak (12nT) impulse was observed in the IPS magnetometer 
data at 1450UT on 10 Mar.
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 25% 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):
      Near predicted monthly values over the UT day.

2. FORECAST (11 MARCH - 17 MARCH)
Solar: Very low to low.

Geomagnetic:  Mostly unsettled on 11 March, Quiet on 12 March, 
	unsettled on 13, 14 and 17 March. Quiet to unsettled 
	during the rest of the period. 

Frequencies:  Minor to mild depressions possible on 11, 13, 14 and
	17 March, otherwise MUFs near normal. No SWFs.

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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