[Ips-whfpr] IPS Weekly Prop. Report (18 February 04)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 18/0200Z FEBRUARY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (11 FEBRUARY - 17 FEBRUARY)
Date   T index   Conditions        
11 Feb   57      Normal-fair       
MUFS:
   Equatorial PNG Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
      Depressed by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Depressed by 30% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day with periods of
      depressions and degradations.

12 Feb   12      Fair              
MUFS:
   Equatorial PNG Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Depressed by 30% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 25% during local day,
      Depressed by 15% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day 
      with periods of significant depressions and 
      degradations.

13 Feb   36      Fair-normal       
MUFS:
   Equatorial PNG Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Depressed by 15% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the 
      UT day with periods of depressions and degradations.

14 Feb   45      Normal-fair       
MUFS:
   Equatorial PNG Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of depressions and degradations.

15 Feb   37      Normal-fair       
MUFS:
   Equatorial PNG Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of depressions and degradations.

16 Feb   47      Fair-normal       
MUFS:
   Equatorial PNG Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed 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
      with periods of depressions and degradations.

17 Feb   68      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day
      with periods of depressions and degradations.

Predicted Monthly T index for February:  53
2. FORECAST (18 FEBRUARY - 24 FEBRUARY) 
MUFS: Minor depressions possible on 23 and 24 February,  
otherwise MUFs near normal. No SWFs.
Propagation conditions: Minor degradation possible on 23 and 
24 February, otherwise normal. 
T index:   65
COMMENT: IPS HF Communications Warning 14 was issued on 
18 February and is current for interval  18 February only. 
3. OUTLOOK (25 FEBRUARY - 26 MARCH)
Degraded HF propagation conditions possible:
25 February to 01 March, 03 to 04 March, 09 to 13 March.

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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