[Ips-whfpr] IPS Weekly Prop. Report (27 August 03)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 27/0200Z AUGUST 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 AUGUST - 26 AUGUST)
Date   T index   Conditions        
20 Aug   61      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Enhanced by 50% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Enhanced by 55% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Depressed by 30% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values during early
      hours of the UT day followed by periods
      of depressions and degradations. 

21 Aug   63      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with periods
      of depressions and degradations.

22 Aug   37      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with periods
      of depressions and degradations. 

23 Aug   40      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with relatively long
      periods of depressions and degradations. 

24 Aug   54      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 35% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values  with relatively 
      long periods of depressions and degradations 

25 Aug   55      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with relatively long
      periods of deressions and degradations. 

26 Aug   65      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   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 with periods
      of depressions and degradations.

Predicted Monthly T index for August:  60
2. FORECAST (27 AUGUST - 02 SEPTEMBER) 
MUFS: slightly depressed on 28-Aug, otherwise MUFs near normal. No SWFs.
Propagation conditions: Normal to Fair 28-Aug , otherwise normal.
T index:   65

3. OUTLOOK (03 SEPTEMBER - 03 OCTOBER)
Degraded HF propagation conditions possible:
03-Sep to 11-Sep, 13-Sep, 15-Sep, 17 to 26-Sep, 30- Sep to 03-Oct.

PLEASE 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
PO Box 1386                       | WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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