[Ips-whfpr] IPS Weekly Prop. Report (20 December 06)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 20/0200Z DECEMBER 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 DECEMBER - 19 DECEMBER)
Date   T index   Conditions        
13 Dec   -8      Poor-fair         
MUFS:
slightly above predicted monthly values

14 Dec    0      Normal-fair       
MUFS:
slightly below predicted monthly values

15 Dec   -7      Fair              
MUFS:
5 to 40% below predicted monthly values

16 Dec  -10      Fair              
MUFS:
about 20% below predicted monthly values

17 Dec    8      Fair              
MUFS:
slightly below predicted monthly values

18 Dec  -16      Normal-fair       
MUFS:
15 to 30% below predicted monthly values

19 Dec  -12      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for December:  10
2. FORECAST (20 DECEMBER - 26 DECEMBER) 
MUFS: depressed by 10 to 30%, 20 to 22 Dec
MUFs near predicted monthly values on other days.
Propagation conditions: Fair 20-Dec Fair 21-Dec Fair 22-Dec , otherwise normal. No SWFs
T index:    0

3. OUTLOOK (27 DECEMBER - 26 JANUARY)
Degraded HF propagation conditions possible:
02-Jan to 04-Jan,17-Jan to 18-Jan,23-Jan.

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.


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

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