[Ips-dhfpr] IPS Daily HF Prop Report - 02 September 15 issued 2330 UT on 02 Sep 2015

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (02 SEPTEMBER) 
Date   T index  Conditions    
02 Sep    45    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% 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
Aug      46
Sep      75
Oct      73


2. FORECAST (03 SEPTEMBER - 05 SEPTEMBER)
Date   T index  Conditions       MUFs                              
03 Sep    45    Normal-fair      10 to 20% below predicted monthly 
                                 values
04 Sep    40    Normal-fair      15 to 20% below predicted monthly 
                                 values    
05 Sep    45    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 47 was issued on 31 August 
and is current for 1-3 Sep. Depressed ionospheric conditions 
were observed across all AUS/NZ regions during the last 24 hours 
(UT day 2 Sep). Similar ionospheric conditions are expected over 
the next 3 days. These below predicted monthly HF conditions 
are due to very low levels of solar ionising radiation.

----------------------------------------------------------
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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