[Ips-dhfpr] IPS Daily HF Prop Report - 24 August 14 issued 2330 UT on 24 Aug 2014

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 AUGUST 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 AUGUST) 
Date   T index  Conditions    
24 Aug    71    Fair-normal    

Flares    Max     Fadeout    Freq.  Sectors
  M5.9    1218UT  possible   lower  European

MUFs:
   Cocos Island Region:
      Depressed 15-20% 01-02, 05-08, 22-23 UT. Depressed
      25-40% 14-21, 23 UT. Near predicted monthly values
      at other times.
   Niue Island Region:
      Depressed 15-20% with 30-40% depressions 09, 13-15
      UT. No data 18-22 UT.
   Northern Australian Region:
      Depressed 20-35% 15-21 UT at Darwin. Depressed 20-30%
      04, 12, 14-20 UT at Townsville. Near predicted monthly
      values at other times.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values. Some depressions
      to 30% at Brisbane and Learmonth 14-18 UT. No Hobart
      data 05-21 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

PCA Event : No event.

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


2. FORECAST (25 AUGUST - 27 AUGUST)
Date   T index  Conditions       MUFs                              
25 Aug    75    Fair-normal      Near predicted monthly values 
                                 to 20% depressed.
26 Aug    70    Normal-fair      Near predicted monthly values 
                                 to 20% depressed.    
27 Aug    60    Normal           Near predicted monthly values 
                                 to 25% depressed.   

COMMENT: IPS SWF HF Communications Warning 42 was issued on 24 
August and is current for 25-26 Aug. Chance of sudden ionospheric 
disturbance (SWF) 25-26 Aug. Spread F observed at Brisbane, Canberra, 
Norfolk Is. and Sydney 11-20 UT. Improved HF conditions expected 
25 and 26 Aug due to increased solar flux.

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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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