[Ips-whfpr] IPS Weekly Prop. Report (13 December 00)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 13/0200Z DECEMBER 2000 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (06 DECEMBER - 12 DECEMBER)
Date   T index   Conditions        
06 Dec  156      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.


07 Dec  138      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


08 Dec  104      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Depressed by 15% after local dawn.
   Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 15% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


09 Dec   92      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Depressed by 15-30% to near predicted monthly
      values during local day, enhanced by 15% during
      local night.
   Northern Australian Region:
      Depressed by 25% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed up to 15% at times during local
      day, otherwise near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


10 Dec  122      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed 15-30% at times, otherwise 
      near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


11 Dec  143      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.


12 Dec  153      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Depressed 15-30% since local dawn,
      otherwise mostly enhanced greater than 20%.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.


Predicted Monthly T index for December: 130
2. FORECAST (13 DECEMBER - 19 DECEMBER) 
MUFS: Mostly near predicted monthly values.
Propagation conditions: Normal. 
T index:  145

3. OUTLOOK (20 DECEMBER - 19 JANUARY)
Degraded HF propagation conditions possible: 23-28 Dec, 3-6 Jan.

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