[Ips-wsgr] IPS Weekly Solar and Geophysical Report (09 September 05)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 09 SEPTEMBER 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (02 SEPTEMBER - 08 SEPTEMBER)
Date     02    03    04    05    06    07    08
10cm     77    74    75    75    83   100    94
AFr      24    20    18     9     6    18 (  8)
Aaus     23    14    16     8     7     5 (  5)
T        16    22    25    23    12    11    22

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

02 Sep 
Solar:        very low
Geomagnetic:  Quiet to Minor Storm 
A weak (24nT) impulse was observed in the IPS magnetometer data at 
1419UT on 02 Sep.
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.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

03 Sep 
Solar:        very low
Geomagnetic:  Quiet to Active 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

04 Sep 
Solar:        low
Geomagnetic:  Quiet to Active 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values 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.

05 Sep 
Solar:        low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 25% 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:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

06 Sep 
Solar:        moderate, with an   M1.4 at 2155UT 
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      No data available during local day,
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

07 Sep 
Solar: Moderate, with an M1.2 at 2305UT, and an X17 at 1740UT
Geomagnetic:  Quiet to Unsettled 
A weak (16nT) impulse was observed in the IPS magnetometer data at 
1123UT on 07 Sep.
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 35% 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.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with significant degradations

08 Sep 
Solar: High with an M1.1 at 2301UT, an M2.1 at 1703UT,
	an M2.1 at 2029UT, and an X5.4 at 2106UT
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 15% 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):
      Near predicted monthly values for short
      periods with severe degradations.
      Proton event in progress, increased absorption observed.
 
2. FORECAST (09 SEPTEMBER - 15 SEPTEMBER)
Solar: Moderate to high.

Geomagnetic: Active on 09 September, active 12 to 14 September.
	quiet to unsettled on other days.

Frequencies: Minor to moderate depressions possible on 09 September 
	and from 12 to 14 September. 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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