[Ips-whfpr] IPS Weekly Prop. Report (27 October 04)

[rwc at ips.gov.au]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 27/0200Z OCTOBER 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 OCTOBER - 26 OCTOBER)
Date   T index   Conditions        
20 Oct   48      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.


21 Oct   34      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


22 Oct   70      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night.
      Enhanced by 40% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 30% during local night.
      Enhanced by 35% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 30% over the UT day.


23 Oct   79      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Enhanced by 40% during local night.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Enhanced by 35% during local night.
      Enhanced by 35% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 30% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 40% over the UT day.


24 Oct   78      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values to enhanced.
   Northern Australian Region:
      Enhanced by 40% during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 25% during local day,
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 45% over the UT day.


25 Oct   60      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly enhanced during local day,
      Near predicted monthly values during local night.
      Enhanced by 35% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Moslty near predicted monthly values.


26 Oct   64      Normal            
MUFS:
slightly above predicted monthly values


Predicted Monthly T index for October:  30
2. FORECAST (27 OCTOBER - 02 NOVEMBER) 
MUFS: Near predicted monthly values. SWFs possible early in the week.
Propagation conditions: Normal. SWFs possible early in the week.

T index:  30
COMMENT: IPS HF Communications Warning 41 was issued on 25 October 
and is current for interval  25-27 October (SWFs) . 
3. OUTLOOK (03 NOVEMBER - 03 DECEMBER)
Degraded HF propagation conditions possible:
07-Nov,09-Nov to 10-Nov.

PLEASE NOTE:
Space weather conditions are frequently determined by short 
timescale events, not able to be forecast 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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