[Ips-whfpr] IPS Weekly Prop. Report (27 November 02)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 27/0200Z NOVEMBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 NOVEMBER - 26 NOVEMBER)
Date   T index   Conditions        
20 Nov   84      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Depressed by 30% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
      Some sites 20% depressed after local dawn.
   Antarctic Region (Casey/Scott Base):
      pread F observed.

21 Nov   61      Fair              
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Depressed by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.

22 Nov  120      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Depressed by 30% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 25% during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.

23 Nov  104      Fair-normal       
MUFS:
   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,
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.

24 Nov  105      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
      15% enhanced after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      some sites 15% depressed after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

25 Nov  102      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Near predicted monthly values 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 15% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

26 Nov  103      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Enhanced by 20-30% during local day,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed 15-20% local day.
      Mostly near predicted monthly values local night.
   Antarctic Region (Casey/Scott Base):
      15% depressed to near predicted monthly 
      values over the UT day.  Spread F observed.

Predicted Monthly T index for November:  91
2. FORECAST (27 NOVEMBER - 03 DECEMBER) 
MUFS: depressed 15% briefly after local dawn on 27-28 Nov, 
and 01-03 Dec, otherwise MUFs near normal. SWFs probable early in week.
Propagation conditions: Fair 27-28Nov Fair-Poor 01-03Dec otherwise normal. 
T index:  80
COMMENT: IPS HF Communications Warning 74 was issued on 26 November 
and is current for interval  26-27 November. 
3. OUTLOOK (04 DECEMBER - 03 JANUARY)
Degraded HF propagation conditions possible:
07-09Dec
18-20 Dec

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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