[Ips-whfpr] IPS Weekly Prop. Report (20 February 08)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 20/0200Z FEBRUARY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 FEBRUARY - 19 FEBRUARY)
Date   T index   Conditions        
13 Feb    3      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values. Enhancements at Vanimo
      07-19 UT and depressions to 30% at Niue 10-12 UT.
   Northern Australian Region:
      Near predicted monthly values. Depresssions to 30% at
      Brisbane 01-04 UT and Townsville/Brisbane 13-16 UT.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values. Depressions to
      25% at Hobart 00 UT and 15-19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

14 Feb    0      Fair-normal       
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values. Occasional night time
      depressions to 30% observed at Darwin and Brisbane.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 30%
      observed at some stations 10-19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values. Depressions to
      30% observed at Casey.

15 Feb   -1      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

16 Feb   -5      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Depressed by 10% during the UT day.
   Southern Australian and New Zealand Region:
      Depressed by 10% during the UT day.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

17 Feb   -9      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly 15-30% depressed at Niue, recovering after 20
      UT. No data for Vanimo.
   Northern Australian Region:
      Mostly near predicted monthly values with depressions
      to 30% observed 01-06 UT.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values. Depressions to
      30% observed 00-07 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

18 Feb   -6      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values. Depressed to 30%
      after local dawn at Niue. 
   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/Davis/Mawson):
      Near predicted monthly values over the UT day.

19 Feb    4      Fair-normal       
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Variable depressions after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for February:   6
2. FORECAST (20 FEBRUARY - 26 FEBRUARY) 
MUFS: MUFs near predicted monthly values.
Propagation conditions: Normal. No SWFs
T index:    0

3. OUTLOOK (27 FEBRUARY - 28 MARCH)
Degraded HF propagation conditions possible:
08-Mar,26-Mar to 27-Mar.

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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