[Ips-dhfpr] IPS Daily HF Prop Report - 17 August 12 issued 2335 UT on 17 Aug 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 AUGUST 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 AUGUST) 
Date   T index  Conditions    
17 Aug    69    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.4    1319UT  possible   lower  European
  M1.0    1720UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 40% during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Predicted Monthly T index for August:  77


2. FORECAST (18 AUGUST - 20 AUGUST)
Date   T index  Conditions       MUFs                              
18 Aug    70    Normal           Near predicted monthly values
19 Aug    65    Normal           Near predicted monthly values    
20 Aug    70    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 30 was issued on 17 August 
and is current for 18-20 Aug (SWFs). Over the last 24 hours, 
MUFs were near monthly predicted values over central and southern 
Australia, with depressions observed in northern Australia and 
Antarctica. Similar conditions are expected for the next 3 days.

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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.

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