[Ips-whfpr] IPS Weekly Prop. Report (08 June 11)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 08/0200Z JUNE 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (01 JUNE - 07 JUNE)
Date   T index   Conditions        
01 Jun   46      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 15% during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 35% during local night.
   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):
      Depressed by 15% over the UT day.

02 Jun   51      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to Depressed by 15% over the UT day.

03 Jun   48      Normal-fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values with depressions to 35%
      14-16 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 25%
      07-11 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 40%
      11-17 UT. No Townsville data.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 30%
      10-14 UT at Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

04 Jun   46      Fair-normal       
MUFS:
   No data for all stations after 2045 UT.
   Cocos Island Region:
      Near predicted monthly values to 45% enhanced.
      Depressed 25% at 2045 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 35%
      08-09 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 25%
      12-17 UT. No data from Townsville.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values. Depressions to
      25% observed at Christchurch and Hobart 09-17 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Enhancements to 30%
      observed 00-07 UT. Depressions to 30% observed 11-13
      UT.

05 Jun   75      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Niue Island Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Macquarie Island: Near predicted monthly values for the UT day.
      Casey: Depressed by ~50% from 04-09UT.
      

06 Jun   62      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 20-50% during local day,
      Depressed by up to 20% during local night.
   Niue Island Region:
      Depressed by 20% between 05-13UT,
      Near predicted monthly values at other times. 
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by up to 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 25% over the UT day.

07 Jun   51      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Niue Island Region:
      Depressed by up to 30% between 07-12UT, 
      Near predicted monthly values at other times.
   Northern Australian Region:
      Variable conditions around monthly values,
      Some depressions of up to 30% at times.
   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.
      Proton event in progress, increased absorption observed.

Predicted Monthly T index for June:  53
2. FORECAST (08 JUNE - 14 JUNE) 
MUFS: briefly depressed after local dawn 9 to 10 Jun
MUFs near predicted monthly values on other days.
Propagation conditions: Fair-Poor 09-Jun Fair-Poor 10-Jun , 
otherwise normal. No SWFs
T index:  53

3. OUTLOOK (15 JUNE - 15 JULY)
Degraded HF propagation conditions possible:
25-Jun,26-Jun.

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

For an explanation of some of the terms in this report, go to
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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