[Ips-whfpr] IPS Weekly Prop. Report (20 August 08)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 20/0200Z AUGUST 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 AUGUST - 19 AUGUST)
Date   T index   Conditions        
13 Aug   -0      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
      Depressed by 25% after local dawn.
   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/Davis/Mawson):
      Near predicted monthly values. 

14 Aug   -1      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 20% 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):
      Near predicted monthly values.

15 Aug   -3      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   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):
      Near predicted monthly values.

16 Aug   -1      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed 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 during local day,
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

17 Aug    2      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly 15-40% depressed at Vanimo. MUFs at Niue mostly
      near predicted monthly values with depressions to 30%
      20-22 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions at Darwin
      to 30% 01-07 and 18-21 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with enhancements to 30%
      11-20 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 20% depressed.

18 Aug    3      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values.
      Daytime depressions to 30% observed at Vanimo.
   Northern Australian Region:
      Near predicted monthly values.
      Briefly depressed after local dawn at Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced up to 70% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

19 Aug   -3      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 15% 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:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

Predicted Monthly T index for August:   2
2. FORECAST (20 AUGUST - 26 AUGUST) 
MUFS: MUFs near predicted monthly values.
Propagation conditions: Normal. No SWFs
T index:    0

3. OUTLOOK (27 AUGUST - 26 SEPTEMBER)
Degraded HF propagation conditions possible:
15-Sep.

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

For an explanation of some of the terms in this report, go to
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 
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