[Ips-dhfpr] IPS Daily HF Prop Report - 22 August 15 issued 2330 UT on 22 Aug 2015

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 AUGUST 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 AUGUST) 
Date   T index  Conditions    
22 Aug    40    Depressed         

Flares    Max     Fadeout    Freq.  Sectors
 M2.2    1323 UT  possible   lower  European

MUFs:
   Cocos Island Region:
      Depressed by 25% during local day.
      Depressed by 40% during local night.
   Niue Island Region:
      Depressed by 30% during local day.
      Depressed by 45% during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   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
Jul      60
Aug      80
Sep      78


2. FORECAST (23 AUGUST - 25 AUGUST)
Date   T index  Conditions      MUFs                              
23 Aug    40    Depressed       10 to 30% below predicted monthly 
                                values
24 Aug    40    Depressed       10 to 25% below predicted monthly 
                                values    
25 Aug    45    Depressed       10 to 20% below predicted monthly 
                                values   

COMMENT: Conditions for HF radio wave propagation were depressed 
throughout the Australian region during 22 August. The conditions 
are expected to be depressed again today, 23 Aug. The conditions 
are expected to slowly trend back towards monthly predicted values 
during the 4 week period approaching the September equinox.

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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.

Space Weather Services              email: asfc at ips.gov.au
Bureau of Meteorology
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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