[Ips-dhfpr] IPS Daily HF Prop Report - 18 July 14 issued 2330 UT on 18 Jul 2014

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 JULY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 JULY) 
Date   T index  Conditions    
18 Jul    54    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 35% during local night.
      Depressed by 30% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      65
Jul      92
Aug      90


2. FORECAST (19 JULY - 21 JULY)
Date   T index  Conditions       MUFs                              
19 Jul    55    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
20 Jul    55    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
21 Jul    55    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: MUFs were generally depressed throughout the entire 
Australasian region for most of the day, more pronounced at low 
latitudes. This is again due to the lack of ionising EUV and 
X-rays from the low spot count on the solar disc. This is likely 
to continue for the next few days. Minor to mild MUF depressions 
may be observed on 19, 20 and 21 July.

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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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