[Ips-wsgr] IPS Weekly Solar and Geophysical Report (22 December 00)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 22 DECEMBER 2000, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 DECEMBER - 21 DECEMBER)
Date     15    16    17    18    19    20    21
10cm    188   191   197   198   199   201   195
AFr       3     4     6     7     2     2 (  6)
Aaus      4     6     7    12     5     4 (  5)
T       148   160   149   155   136   158   147

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

15 Dec 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
near predicted monthly values


16 Dec 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 30% over the UT day.


17 Dec 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
near predicted monthly values


18 Dec 
Solar:        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:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


19 Dec 
Solar:        low
Geomagnetic:  Quiet 
Frequencies:  
near predicted monthly values


20 Dec 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG and Northern Australian Regions:
      Mostly near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.


21 Dec 
Solar:        low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Equatorial PNG and Northern Australian Regions:
      Mostly near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.


 
2. FORECAST (22 DECEMBER - 28 DECEMBER)
Solar:        Low to moderate, chance of return of active longitude.

Geomagnetic:  Quiet to unsettled, chance of coronal hole induced activity.

Frequencies:  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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tel: +61 2 9213 8010              | fax: +61 2 9213 8060