[Ips-dhfpr] IPS Daily HF Prop Report - 16 August 15 issued 2343 UT on 16 Aug 2015

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 AUGUST 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 AUGUST) 
Date   T index  Conditions    
16 Aug    50    Fair           

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 45% during local night.
   Niue Island Region:
      Depressed by 20% during local day.
      Enhanced by 20% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
   Southern Australian Region:
      Depressed by 35% during local day.
      Depressed by 30% during local night.
      Depressed by 30% 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 (17 AUGUST - 19 AUGUST)
Date   T index  Conditions       MUFs                              
17 Aug    45    Normal           10 to 40% below predicted monthly 
                                 values
18 Aug    60    Normal           Near predicted monthly values/depressed 
                                 10 to 30%    
19 Aug    60    Normal           Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: MUFs were degraded, with depression up to 40% due to 
the ionospheric storm effects. Expect moderate depressions over 
the next 24 hours (17 August) due ionospheric storm in progress. 
Expect continued depressed MUFs 18-19 August due to low EUV resulting 
from low sunspot numbers for this period in the solar cycle.

----------------------------------------------------------
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
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