[Ips-whfpr] IPS Weekly Prop. Report (24 September 03)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 24/0200Z SEPTEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 SEPTEMBER - 23 SEPTEMBER)
Date   T index   Conditions        
17 Sep   25      Normal-poor       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Depressed by 20% over the UT day.

18 Sep   25      Fair              
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 30% during local day,
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Depressed by upto 30% over the UT day with periods
      of significant degradations.

19 Sep   35      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 with  periods of 
      depressions.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values to depressed upto
      30% with periods of significant degradations. 

20 Sep   52      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day with periods
      of significant degradations.

21 Sep   51      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 significant degradations.

22 Sep   64      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values  with periods
      of significant degradations over the UT day.

23 Sep   67      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   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.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values  with periods of
      significant degradations over the UT day.

Predicted Monthly T index for September:  57
2. FORECAST (24 SEPTEMBER - 30 SEPTEMBER) 
MUFS: minor depressions possible on 24, 25 September, 
	minor to mild depressions possible on  29 and 30 September, 
	otherwise MUFs near normal. 
Propagation conditions: Minor degradations possible on 24, 25 
	September, minor to mild degradations possible on 29 and 
	30 September, otherwise normal. SWF possible early in the week. 
T index:   65

3. OUTLOOK (01 OCTOBER - 31 OCTOBER)
Degraded HF propagation conditions possible:
01, 02 Oct, 06 to 08 Oct, 13 to 23 Oct, 26 to 29 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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