[Ips-whfpr] IPS Weekly Prop. Report (27 September 06)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 27/0200Z SEPTEMBER 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 SEPTEMBER - 26 SEPTEMBER)
Date   T index   Conditions        
20 Sep    2      Normal            
MUFS:
Mostly near predicted monthly values with depressions to 30%
mostly during the period 00-07 UT and observed at low and
mid latitudes. Near predicted at the high latitudes.

21 Sep    4      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 25% 02-07 UT at Port Moresby. Near
      predicted monthly values at Niue with sporadic E
      observed 01-07 UT.
   Northern Australian Region:
      Depressed up to 30% 00-07 UT. Near predicted monthly
      values at other times.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions in MUFs
      to 30% from 10-13 UT at Canberra and Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

22 Sep   11      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Depressed by 20% during local night.
     Enhanced by 30% 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/Davis/Mawson):
     Enhanced by 15% over the UT day.

23 Sep   12      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Depressed by 30% during local night.
     Enhanced by 20% after local dawn.
  Northern Australian Region:
     Depressed by 15% during local day,
     Near predicted monthly values during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 40% over the UT day.

24 Sep   15      Normal            
MUFS:
slightly below predicted monthly values

25 Sep    6      Normal            
MUFS:
slightly below predicted monthly values

26 Sep    0      Normal            
MUFS:
slightly below predicted monthly values

Predicted Monthly T index for September:  11
2. FORECAST (27 SEPTEMBER - 03 OCTOBER) 
MUFS: MUFs near or slightly below predicted monthly values.
Propagation conditions: Normal. No SWFs
T index:   10

3. OUTLOOK (04 OCTOBER - 03 NOVEMBER)
Degraded HF propagation conditions possible:
14-16th Oct,21 Oct, 28-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.

For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.


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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