[Ips-whfpr] IPS Weekly Prop. Report (03 September 03)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 03/0200Z SEPTEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 AUGUST - 02 SEPTEMBER)
Date   T index   Conditions        
27 Aug   69      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with isolated
      extended periods of absorption. 


28 Aug   70      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Depresesd by 10% around local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with isolated
      extended periods of disturbance.


29 Aug   72      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 10-20% during UT day.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values during local day,
      Extended periods of disturbance during local night.


30 Aug   63      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 35% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with extended periods of
      disturbance during local night. 


31 Aug   82      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 20-30% over the UT day.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15-20% over the UT day.
   Antarctic Region (Casey/Scott Base):
      Slightly enhanced/near predicted monthly values.
      Extended periods of night-time spread-F.


01 Sep   70      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% during local day. 
      Extended periods of disturbance during local night.


02 Sep   82      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 20-30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night and after
      local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night and after
      local dawn.
   Antarctic Region (Casey/Scott Base):
       Near predicted monthly values with periods 
       of disturbance local night hours.


Predicted Monthly T index for September:  57
2. FORECAST (03 SEPTEMBER - 09 SEPTEMBER) 
MUFS:  
   Depressed 5-15% on 04-07 Sep, mildy depressed after 
   local dawn on 08-Sep, otherwise MUFs near normal. No SWFs.
Propagation conditions: 
   Fair-Poor 04-07 Sep Fair 08-Sep, otherwise normal. No SWFs
T index: 70

3. OUTLOOK (10 SEPTEMBER - 10 OCTOBER)
Degraded HF propagation conditions possible:
15-Sep to 24-Sep, 02-Oct to 06-Oct.

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.

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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