[Ips-dhfpr] IPS Daily HF Prop Report - 13 August 15 issued 2352 UT on 13 Aug 2015

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 AUGUST 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 AUGUST) 
Date   T index  Conditions    
13 Aug    64    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 35% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 25% after local dawn.
   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      60
Aug      80
Sep      78


2. FORECAST (14 AUGUST - 16 AUGUST)
Date   T index  Conditions       MUFs                              
14 Aug    60    Normal           Near predicted monthly values/depressed 
                                 10 to 30%
15 Aug    60    Normal           Near predicted monthly values/depressed 
                                 10 to 30%    
16 Aug    50    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: IPS HF Communications Warning 33 was issued on 12 August 
and is current for 13-15 Aug. MUFs have ranged between predicted 
monthly values and mild depressions. Expect this trend to prevail 
over the next three days due to low EUV resulting from low sunspot 
numbers for this period in the solar cycle. Furthermore, HF communication 
conditions may degrade on the 16 August due to an increase geomagnetic activity.

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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.

Space Weather Services              email: asfc at ips.gov.au
Bureau of Meteorology
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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