[Ips-dhfpr] IPS Daily HF Prop Report - 20 August 14 issued 2330 UT on 20 Aug 2014

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 AUGUST 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 AUGUST) 
Date   T index  Conditions    
20 Aug    71    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced 20-50% 07-13 UT. Depressed 20-35% 15-23 UT.
      Near predicted monthly values at other times.
   Niue Island Region:
      Depressed 20-45% 00-01, 11-15, 23 UT. Near
      predicted monthly values at other times.
   Northern Australian Region:
      Depressed 20-40% 00, 02-04, 13-19, 21 UT at Darwin.
      Depressed 20-30% 02-04, 11-16, 22-23 UT at Townsville.
      Near predicted monthly values at other times.
   Southern Australian and New Zealand Region:
      Some depressions to 20% 00-06, 11-13 UT, otherwise
      mostly near predicted monthly values. Hobart MUFs
      were 15-35% depressed.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed 20-40% starting to recover in the last
      few hours.

PCA Event : No event.

Monthly T index:
Month  T index
Jul      68
Aug      91
Sep      87


2. FORECAST (21 AUGUST - 23 AUGUST)
Date   T index  Conditions       MUFs                              
21 Aug    65    Normal           Near predicted monthly values 
                                 to 20% depressed
22 Aug    65    Normal           Near predicted monthly values 
                                 to 20% depressed    
23 Aug    65    Normal           Near predicted monthly values 
                                 to 20% depressed   

COMMENT: Abovementioned depressions along with spread F and some 
F layer tilting will have degraded communications at times on 
20 Aug. Conditions should improve on 21 Aug although MUFs are 
expected to remain below those based on the predicted monthly 
T index.

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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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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