[Ips-whfpr] IPS Weekly Prop. Report (31 October 01)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 31/0200Z OCTOBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 OCTOBER - 30 OCTOBER)
Date   T index   Conditions        
24 Oct  180      Normal            
MUFS:
Near predicted monthly values to enhanced greater than 15%.


25 Oct  190      Normal            
MUFS:
Mostly normal to enhanced.


26 Oct  175      Normal            
MUFS:
Mostly normal to enhanced at all stations.


27 Oct  179      Normal            
MUFS:
Mostly normal to enhanced at all stations.


28 Oct  156      Normal-poor       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Depressed by 15% after local dawn.
   Northern Australian Region:
      Enhanced by 25% during local day,
      Enhanced by 40% during local night.
      Depressed by 35% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 25% during local day,
      Depressed by 15-30% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Normal to depressed 30%. 


29 Oct  102      Poor-normal       
MUFS:
   Equatorial PNG Region:
      Depressed by 15-30% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 30-50% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15-30% during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values to depressed 20%.


30 Oct  167      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced greater than 20%.
   Australian and New Zealand Region:
      Enhanced greater than 15%.
   Antarctic Region (Casey/Scott Base):
      Normal to enhanced. 


Predicted Monthly T index for October: 106
2. FORECAST (31 OCTOBER - 06 NOVEMBER) 
MUFS: Mostly near predicted monthly values to enhanced.
      SWFs probable early in week.
Propagation conditions: Mostly normal to good. SWfs probable early in week.
T index:  150
COMMENT: IPS HF Communications Warning 66 was issued on 30 October and
is current for interval 31 October to 2 November for SWFs. 
3. OUTLOOK (07 NOVEMBER - 07 DECEMBER)
Degraded HF propagation conditions possible: 16-19,24-26 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