[Ips-whfpr] IPS Weekly Prop. Report (01 December 04)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 01/0200Z DECEMBER 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 NOVEMBER - 30 NOVEMBER)
Date   T index   Conditions        
24 Nov   91      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Enhanced by 30% during local day,
      Enhanced by 40% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 20% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


25 Nov   95      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Enhanced by 25% during local day,
      Enhanced by 30% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 35% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


26 Nov   75      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Enhanced by 30% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of degradaions. 


27 Nov   40      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 25% during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with periods
      of minor to moderate degradations over the UT day.


28 Nov   41      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


29 Nov   53      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 35% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day,
      Enhanced by 20% 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.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


30 Nov   75      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 35% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


Predicted Monthly T index for November:  35
2. FORECAST (01 DECEMBER - 07 DECEMBER) 
MUFS: Chance of mild MUF depressions after local dawn
from 04-Dec to 07-Dec, otherwise MUFs near normal.
SWFs probable.

Propagation conditions: Normal-Fair for 04-Dec to 07-Dec
at mid to high latitudes, otherwise normal. SWFs possible.
T index:   55

3. OUTLOOK (08 DECEMBER - 07 JANUARY)
Degraded HF propagation conditions possible:
08-Dec to 09-Dec, 22-Dec to 26-Dec, 31-Dec to 05-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
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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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