[Ips-whfpr] IPS Weekly Prop. Report (11 August 04)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 11/0200Z AUGUST 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (04 AUGUST - 10 AUGUST)
Date   T index   Conditions        
04 Aug   35      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.
      Some spread F observed.


05 Aug   38      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by up tp 35% over the UT day.


06 Aug   42      Normal            
MUFS:
   Equatorial PNG Region:
      Generally near predicted monthly values during 
      local day. Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values. Widespread and
      persistent periods of disturbances. 


07 Aug   46      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values.


08 Aug   45      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.


09 Aug   44      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 55% 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):
      Enhanced by 45% over the UT day.


10 Aug   45      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):
      Near predicted monthly values over the UT day.


Predicted Monthly T index for August:  39
2. FORECAST (11 AUGUST - 17 AUGUST) 
MUFS: Near predicted monthly values. SWFs possible all week.
Propagation conditions: Normal. SWFs possible this week due to active 
solar regions AR656 and returning AR652.
T index:  55 

3. OUTLOOK (18 AUGUST - 17 SEPTEMBER)
Degraded HF propagation conditions possible:
12-23 Aug, 15-17 Sep 

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
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Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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