[Ips-dhfpr] SWS Daily HF Prop Report - 21 August 16 issued 2330 UT on 21 Aug 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 AUGUST 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 AUGUST) 
Date   T index  Conditions    
21 Aug    25    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 35% during local night.
   Niue Island Region:
      No data available. 
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jul      27
Aug      38
Sep      36


2. FORECAST (22 AUGUST - 24 AUGUST)
Date   T index  Conditions       MUFs                              
22 Aug    25    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
23 Aug    25    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
24 Aug    25    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: Mild to Moderate depressions were observed in northern 
Australian and equatorial regions during the UT day 21 Aug. MUFs 
were near predicted monthly values for southern Australia. MUFs 
were near predicted monthly values for the Antarctic region with 
periods of little ionospheric support for HF communications. 
Noted periods sporadic E at Cocos Island station. Similar conditions 
are likely to continue during the next few days.

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For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Space Weather Services              email: asfc at bom.gov.au
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