[Ips-whfpr] IPS Weekly Prop. Report (24 October 01)

rwc rwc at ips.gov.au
Wed Oct 24 11:37:33 EST 2001


SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 24/0200Z OCTOBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 OCTOBER - 23 OCTOBER)
Date   T index   Conditions        
17 Oct  172      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 75% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 60% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 30% during local day,
      Enhanced by 45% during local night.
      Enhanced by 45% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.

18 Oct  183      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 45% during local night.
      Enhanced by 15% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 30% during local day,
      Enhanced by 50% during local night.
      Enhanced by 50% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.

19 Oct  175      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 30% during local night.
  Northern Australian Region:
     Enhanced by 15% during local day,
     Enhanced by 45% during local night.
     Enhanced by 25% after local dawn.
  Southern Australian and New Zealand Region:
     Enhanced by 25% during local day,
     Enhanced by 45% during local night.
     Enhanced by 15% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 55% over the UT day.

20 Oct  155      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
     Enhanced by 15% after local dawn.
  Northern Australian Region:
     Enhanced by 15% during local day,
     Enhanced by 45% during local night.
     Enhanced by 25% after local dawn.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 25% during local night.
     Enhanced by 35% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

21 Oct  144      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 55% during local night.
     Depressed by 20% after local dawn.
  Northern Australian Region:
     Enhanced by 15% during local day,
     Enhanced by 35% during local night.
  Southern Australian and New Zealand Region:
     Enhanced by 20% during local day,
     Enhanced by 30% during local night.
     Depressed by 30% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 25% over the UT day.

22 Oct   80      Fair              
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Depressed by 35% during local day,
     Near predicted monthly values during local night.
     Depressed by 30% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Depressed by 15% over the UT day.

23 Oct  128      Normal-Fair       
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
     Enhanced by 15% after local dawn.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
     Enhanced by 35% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

Predicted Monthly T index for October: 106
2. FORECAST (24 OCTOBER - 30 OCTOBER) 
MUFS: depressed 30% on 24-25 Oct, depressed conditions 
      possible for the remainder of the period. 
      SWFs probable thru out week.
Propagation conditions: Fair-Poor 24-25 Oct, otherwise normal-fair.
T index:  135
COMMENT: IPS HF Communications Warning 61 was issued on 23 October 
and is current for interval  23-25 October (SWFs) . 
3. OUTLOOK (31 OCTOBER - 30 NOVEMBER)
Degraded HF propagation conditions possible:
06-08 Nov,16-Nov to 23-Nov.

PEASE 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.

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 




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