[Ips-dhfpr] IPS Daily HF Prop Report - 23 August 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z AUGUST 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 AUGUST) 
Date   T index  Conditions    
23 Aug    53    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values.
   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 25% over the UT day.

PCA Event : No event.

Predicted Monthly T index for August:  59
2. FORECAST (24 AUGUST - 26 AUGUST)
Date   T index  Conditions       MUFs                              
24 Aug    50    Normal           Near predicted monthly values 
25 Aug    55    Normal           Near predicted monthly values     
26 Aug    45    Normal           Near predicted monthly values    
COMMENT: Depressed MUFs of ~20% observed over Equatorial regions 
during local day. Northern Australian regions experienced depressed 
MUFs during local day and night. Near predicted monthly values 
for Southern AUS/NZ regions and disturbed conditions for Antarctic 
regions. Mild MUF depressions are expected at times over the 
next 3 days for Northern Australia to Equatorial regions and 
near predicted monthly values expected for Southern AUS/NZ regions. 
Increased geomagnetic activity on 26Aug possible, resulting in 
reduced ionospheric support for high to mid latitudes. 
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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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