[Ips-whfpr] IPS Weekly Prop. Report (26 January 05)

rwc rwc at ips.gov.au
Wed Jan 26 10:09:19 EST 2005


SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 26/0200Z JANUARY 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 JANUARY - 25 JANUARY)
Date   T index   Conditions        
19 Jan    4      Fair              
MUFS:
   Equatorial PNG Region:
      Depressed by 25% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 35% during local day,
      Near predicted monthly values during local night.
      Depressed by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day,
      Depressed by 35% during local night.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.

20 Jan   60      Normal-fair       
MUFS:
   Equatorial PNG Region:
      No data available during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.

21 Jan   55      Normal-poor       
MUFS:
   Equatorial PNG Region:
     No data available during local day,
     Enhanced by 50% during local night.
     Depressed by 25% after local dawn.
  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):
     Proton event in progress, increased absorption observed.

22 Jan   -6      Fair              
MUFS:
   Equatorial PNG Region:
     No data available during local day,
     Near predicted monthly values during local night.
  Northern Australian Region:
     Depressed by 15% during local day,
     Depressed by 20% during local night.
  Southern Australian and New Zealand Region:
     Depressed by 30% during local day,
     Near predicted monthly values during local night.
     Depressed by 20% after local dawn.
  Antarctic Region (Casey/Scott Base):
     No data available over the UT day.

23 Jan   19      Normal-Fair       
MUFS:
   Equatorial PNG Region:
     No data available during local day,
     Enhanced by 45% 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:
     Depressed by 15% during local day,
     Near predicted monthly values during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

24 Jan   34      Normal            
MUFS:
   Equatorial PNG Region:
     No data available during local day,
     No data available during local night.
  Northern Australian Region:
     No data available during local day,
     No data available during local night.
  Southern Australian and New Zealand Region:
     No data available during local day,
     No data available during local night.
  Antarctic Region (Casey/Scott Base):
     Depressed by 20% over the UT day.

25 Jan   52      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 15% during local day,
     Enhanced by 20% 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.

Predicted Monthly T index for January:  32

COMMENT: Depressed regional MUFs observed 19 and 22 Jan.
2. FORECAST (26 JANUARY - 01 FEBRUARY) 
MUFS: MUFs mostly normal, depressed 15% during 29-30 Jan. No SWFs.
Propagation conditions: Fair 29-30 Jan, otherwise normal. 
T index:   45

3. OUTLOOK (02 FEBRUARY - 04 MARCH)
Moderately Degraded HF propagation conditions possible:
03-04 Feb,13-15 Feb, 17-18Feb, 25-27 Feb,02-03 Mar.

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.


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