[Ips-whfpr] IPS Weekly Prop. Report (25 October 00)

[Regional Warning Centre]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 25/0200Z OCTOBER 2000 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (18 OCTOBER - 24 OCTOBER)
Date   T index   Conditions        
18 Oct  155      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Mostly near predicted monthly values,
      Darwin MUFs enhanced 70% 11-15UT.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F observed.

19 Oct  122      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Depressed by 15% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed 15% to Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

20 Oct  123      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed 15% to Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F observed.

21 Oct  139      Normal-fair       
MUFS:
   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):
      Enhanced by 25% over the UT day.

22 Oct  150      Normal-fair       
MUFS:
   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.
      Spread F observed.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.
      Spread F observed.

23 Oct  140      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Range spread and Spread F observed 15-19 UT.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
      Spread F observed local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F throughout the UT day.

24 Oct  145      Normal-fair       
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,
      Spread F observed, local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F observed.

Predicted Monthly T index for October: 135
2. FORECAST (25 OCTOBER - 31 OCTOBER) 
MUFS: mostly near normal. Mild degradation in conditions
      expected 30 Oct to 01 Nov due to coronal hole.
Propagation conditions: Fair 30 Oct-01 Nov, otherwise normal. 
      SWFs possible.
T index:  135

3. OUTLOOK (01 NOVEMBER - 01 DECEMBER)
Degraded HF propagation conditions possible:
   01-Nov
09-12 Nov
19-21 Nov

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.


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