[Ips-whfpr] IPS Weekly Prop. Report (20 June 07)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 20/0200Z JUNE 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 JUNE - 19 JUNE)
Date   T index   Conditions        
13 Jun   10      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% to near predicted monthly values during local day,
      Depressed by 25% to near predicted monthly values 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 to enhanced by 25% over the UT day 
      with periods of degradations in HF condtions.

14 Jun   24      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day with 
      periods of degradations.

15 Jun   14      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day with periods of 
      minor to significant degradations in HF conditions.
      Near predicted monthly values 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:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day with
      periods of minor to significant degradations in HF
      conditions.

16 Jun   10      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day with periods of 
      degradations,
      Near predicted monthly values 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):
      Enhanced by 15% over the UT day with periods of
      minor to significant depressions and degradations. .

17 Jun    5      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 25% to near predicted monthly 
      values during local day,
      Depressed by 15% to near predicted monthly
      values during local night.
   Northern Australian Region:
      Depressed by 15% to near predicted monthly
      values 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 over the UT day with
      periods of minor to significant degradations.

18 Jun   0       Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 30% during local day with periods of
      significant degradations,
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night with periods of
      significant degradations.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day with 
      periods of significant degradations.

19 Jun    4      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 30% during local day with periods of
      degradations,
      Depressed by 20% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Depressed by 20% 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 with
      periods of significant degradations.

Predicted Monthly T index for June:   9
2. FORECAST (20 JUNE - 26 JUNE) 
MUFS: Minor to moderate depressions possible from 20 to 22 June.
MUFs near predicted monthly values on other days.
Propagation conditions: Normal to fair on 20 and 22 June,
Fair on 21 June, otherwise normal. No SWFs
T index:    6

3. OUTLOOK (27 JUNE - 27 JULY)
Degraded HF propagation conditions possible:
17 to 20 July. 

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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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