[Ips-wsgr] IPS Weekly Solar and Geophysical Report (08 December 00)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 08 DECEMBER 2000, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (01 DECEMBER - 07 DECEMBER)
Date     01    02    03    04    05    06    07
10cm    185   167   164   152   147   141   144
AFr       3     3     7     8     4     6 ( 14)
Aaus      7     5    13     6     7    12 ( 12)
T       140   166   156   132   134   156   138

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

01 Dec 
Solar:        low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values.
   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.


02 Dec 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
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.
      Spread F observed.


03 Dec 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      becoming depressed 15-20% after local dawn at
      some sites.
   Antarctic Region (Casey/Scott Base):
      15% depressed to near predicted monthly values,
      Occasional absorption observed.


04 Dec 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed 15-20% at Norfolk Island and Christchurch.
      Mostly near predicted monthly values at other sites,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F and occassional absorption observed.


05 Dec 
Solar:        low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Depressed 15-20% early in UT day then Mostly near i
      predicted monthly values
   Antarctic Region (Casey/Scott Base):
      Mildly depressed to Near predicted monthly values.


06 Dec 
Solar:        moderate, with an M1/SF at 2230UT
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.


07 Dec 
Solar:        low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


 
2. FORECAST (08 DECEMBER - 14 DECEMBER)
Solar: Low to moderate.

Geomagnetic: 
            8-10 Dec: Unsettled with chance of active and possible
                      minor storm periods.
           11-14 Dec: Mostly quiet to unsettled.

Frequencies:  
             8-10 Dec: Possibly degraded up to 15% at times.
            11-14 Dec: Mostly near predicted monthly values.

PEASE 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.

IPS Radio and Space Services      | email: asfc at ips.gov.au
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