[Ips-dhfpr] IPS Daily HF Prop Report - 25 August 14 issued 2345 UT on 25 Aug 2014

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 AUGUST 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 AUGUST) 
Date   T index  Conditions    
25 Aug    74    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.0    1511UT  possible   lower  South American/
                                    Atlantic
  M3.9    2021UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 40% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

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


2. FORECAST (26 AUGUST - 28 AUGUST)
Date   T index  Conditions       MUFs                              
26 Aug    70    Normal-fair      Depressed 15%/near predicted 
                                 monthly values
27 Aug    70    Normal-fair      Depressed 15%/near predicted 
                                 monthly values    
28 Aug    75    Normal           Near predicted monthly values   

COMMENT: IPS SWF HF Communications Warning 42 was issued on 24 
August and is current for 25-26 Aug. Moderate MUF depressions 
were observed in the North. MUF depressions are expected to continue 
for the next few days, but should lessen as the level of ionising 
solar radiation increases. Chance of sudden ionospheric disturbance 
(SWF) for the next few days.

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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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