[Ips-whfpr] IPS Weekly Prop. Report (20 December 00)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 20/0200Z DECEMBER 2000 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 DECEMBER - 19 DECEMBER)
Date   T index   Conditions        
13 Dec  144      Normal            
MUFS:
   Equatorial PNG Region:
      No data available
   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.


14 Dec  144      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.


15 Dec  148      Normal            
MUFS:
near predicted monthly values


16 Dec  160      Normal            
MUFS:
   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  149      Normal            
MUFS:
near predicted monthly values


18 Dec  155      Normal            
MUFS:
   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  136      Normal            
MUFS:
near predicted monthly values


Predicted Monthly T index for December: 130
2. FORECAST (20 DECEMBER - 26 DECEMBER) 
MUFS: Mostly near normal but depressed periods possible
in the second half of the period.
Propagation conditions: Possible fair conditions 23-26-Dec, 
otherwise normal. SWFs possible.
T index:  125

3. OUTLOOK (27 DECEMBER - 26 JANUARY)
Degraded HF propagation conditions possible:
19-22 Jan

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