[Ips-whfpr] IPS Weekly Prop. Report (30 March 05)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 30/0200Z MARCH 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (23 MARCH - 29 MARCH)
Date   T index   Conditions        
23 Mar   48      Normal            
MUFS:
   Equatorial PNG Region:
     No data available during local day,
     No data available during local night.
     Enhanced by 20% after local dawn.
  Northern Australian Region:
     Enhanced by 20% during local day,
     Enhanced by 15% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

24 Mar   44      Normal            
MUFS:
   Equatorial PNG Region:
     No data available during local day,
     No data available 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.

25 Mar   51      Normal-Fair       
MUFS:
   Equatorial PNG Region:
     No data available during local day,
     No data available during local night.
     Enhanced by 25% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 25% during local night.
  Southern Australian and New Zealand Region:
     Enhanced by 15% during local day,
     Near predicted monthly values during local night.
     Depressed by 25% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

26 Mar   24      Normal-Fair       
MUFS:
   Equatorial PNG Region:
     No data available during local day,
     No data available during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 20% during local night.
  Southern Australian and New Zealand Region:
     Depressed by 20% during local day,
     Near predicted monthly values during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

27 Mar   22      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 20% during local day,
     No data available during local night.
  Northern Australian Region:
     Depressed by 15% during local day,
     Depressed by 25% 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.

28 Mar   32      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 20% during local day,
     No data available during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 20% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

29 Mar   38      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values 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.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.

Predicted Monthly T index for March:  31
2. FORECAST (30 MARCH - 05 APRIL) 
MUFS: depressed 15% briefly after local dawn on 01-04-Apr, otherwise 
near predicted monthly values.
Propagation conditions: Fair 01-04 Apr, otherwise normal. No SWFs
T index:   20 02-04 Apr, otherwise 30.
COMMENT: IPS HF Communications Warning 16 was issued on 29 March and is current for interval  2-4 
April (coronal hole wind stream induced activity southern Aus/NZ region only). 
3. OUTLOOK (06 APRIL - 06 MAY)
Degraded HF propagation conditions possible:
12-Apr to 13-Apr,21-22 Apr, 29-Apr to 02-May.

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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