[Ips-dhfpr] IPS Daily HF Prop Report - 29 July 15 issued 2330 UT on 29 Jul 2015

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 JULY 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (29 JULY) 
Date   T index  Conditions    
29 Jul    50    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Depressed by 30% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   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
Jun      70
Jul      84
Aug      82


2. FORECAST (30 JULY - 01 AUGUST)
Date   T index  Conditions       MUFs                              
30 Jul    50    Normal-fair      15 to 20% below predicted monthly 
                                 values
31 Jul    45    Normal-fair      15 to 30% below predicted monthly 
                                 values    
01 Aug    40    Normal-fair      20 to 35% below predicted monthly 
                                 values   

COMMENT: MUF depressions of up to 30% have been seen across much 
of the Australasian region over the last 24 hours. These conditions 
are due to low levels of ionising solar flux. Expect similar 
conditions on 30 July. Minor to moderate MUF depressions and 
degradations in HF conditions may be expected on 31 July and 
1 August due to expected rise in geomagnetic activity on these 
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.

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