[Ips-whfpr] IPS Weekly Prop. Report (30 July 03)

rwc rwc at ips.gov.au
Wed Jul 30 11:56:19 EST 2003


SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 30/0200Z JULY 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (23 JULY - 29 JULY)
Date   T index   Conditions        
23 Jul   78      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night, and after
      local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


24 Jul   80      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Brief depressions 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:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values.


25 Jul   86      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values with isolated overnight
      depressions.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values.


26 Jul   74      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Isolated depressions of 15% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values. 


27 Jul   70      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Periods of depressions during local night.
   Antarctic Region (Casey/Scott Base):
      Extended periods of disturbance over the UT day.


28 Jul   60      Fair-normal       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 10-30% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values,
      Mild depressions after local dawn.
   Antarctic Region (Casey/Scott Base):
      Extended periods of localised disturbance.


29 Jul   63      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 10-30% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Mild depressions after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Extended periods of disturbance.


Predicted Monthly T index for July:  63
2. FORECAST (30 JULY - 05 AUGUST) 
MUFS: Depressed 15% on 30-31 Jul, mildy depressed after local 
      dawn on 01-03 Aug,  otherwise MUFs near normal. No SWFs.
Propagation conditions: Fair-Poor 30-31 Jul Fair 01-03 Aug, 
      otherwise normal. No SWFs
T index:   70

3. OUTLOOK (06 AUGUST - 05 SEPTEMBER)
Degraded HF propagation conditions possible:
07-Aug to 16-Aug, 21-Aug to 30-Aug, 03-Sep to 04-Sep.

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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