[Ips-whfpr] IPS Weekly Prop. Report (08 August 07)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 08/0200Z AUGUST 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (01 AUGUST - 07 AUGUST)
Date   T index   Conditions        
01 Aug    3      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Enhanced by 10-15% during local day.
      Depressed by 10-15% during local night.
   Northern Australian Region:
      Depressed by 10-15% during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed 10-20% over the UT day with periods
      showing no trace on the ionograms.

02 Aug    3      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Enhanced by 10-15% during local day.
      Depressed by 10-15% during local night.
   Northern Australian Region:
      Depressed by 10-15% during local day. 
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 10-15% during local day.
      Ionograms do not show many traces for local night
      however, when present the show MUFs to be near
      normal.

03 Aug    5      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Enhanced by 15-20% during local day.
      Depressed by 20-30% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values during local day.
      Ionograms do not show many traces for local night
      however, when present are slightly depressed (10%).

04 Aug    6      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 10-15% during local day. 
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values during local day.
      Ionograms do not show many traces for local night
      however, when present are near predicted monthly
      values.

05 Aug    6      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 15% during local during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.
      Ionograms do not show many traces for local night
      however, when present are near predicted monthly
      values.

06 Aug    5      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,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by upto 35% with periods of minor to 
      significant degradations. 

07 Aug   18      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Isolated periods of enhancements and depressions
      observed with minor to significant degradations
      in HF conditions. 

Predicted Monthly T index for August:   9
2. FORECAST (08 AUGUST - 14 AUGUST) 
MUFS: Minor to moderate depressions in MUFs possible
in the southern Aus/NZ regions on 08, 10 and 11 August.
Propagation conditions: Minor to moderate degradations
possible in the southern Aus/NZ regions on 08, 10 and 11 August.
T index:    8

3. OUTLOOK (15 AUGUST - 14 SEPTEMBER)
Degraded HF propagation conditions possible: 28 August and on
03, 04, 06 and 07 September.
03

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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