[Ips-whfpr] IPS Weekly Prop. Report (31 August 05)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 31/0200Z AUGUST 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 AUGUST - 30 AUGUST)
Date   T index   Conditions        
24 Aug   30      Fair-poor         
MUFS:
   Equatorial PNG Region:
      Enhanced by 30% during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.

25 Aug   12      Fair-normal       
MUFS:
about 25% below predicted monthly values

26 Aug   22      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 20% during local day,
     Near predicted monthly values during local night.
  Northern Australian Region:
     Enhanced by 20% during local day,
     Depressed by 20% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Depressed by 20% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

27 Aug   32      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 15% during local day,
     Depressed by 15% 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):
     Near predicted monthly values over the UT day.

28 Aug   30      Normal            
MUFS:
near predicted monthly values

29 Aug   42      Normal            
MUFS:
slightly above predicted monthly values

30 Aug   37      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Enhanced by 35% 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):
      Enhanced by 20% over the UT day.

Predicted Monthly T index for August:  26
2. FORECAST (31 AUGUST - 06 SEPTEMBER) 
MUFS: briefly depressed after local dawn 3 to 5 Sep
MUFs near predicted monthly values on other days.
Propagation conditions: Fair 03-Sep Fair 05-Sep , otherwise normal. No SWFs
T index:   35

3. OUTLOOK (07 SEPTEMBER - 07 OCTOBER)
Degraded HF propagation conditions possible:
12-Sep to 13-Sep,20-Sep to 21-Sep,30-Sep,02-Oct to 03-Oct,06-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 

IMPORTANT: This e-mail, including any attachments, may contain,confidential
or copyright information.  The views expressed in this message are those of
the individual sender, unless specifically stated to be the views of IPS.
If you are not the intended recipient, please contact the sender immediately
and delete all copies of this e-mail and attachments. Occasionally IPS sends 
email promoting IPS products and services to its mailing list customers. 
If you do not wish to receive this promotional material please email 
no-spam at ips.gov.au with the subject header:UNSUBSCRIBE"