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

[Regional Warning Centre]

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

1. SUMMARY (02 OCTOBER) 
Date   T index  Conditions    
02 Oct    43    Moderately Depressed         

Flares    Max     Fadeout    Freq.  Sectors
 M5.5    0013 UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values 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
Sep      35
Oct      70
Nov      68


2. FORECAST (03 OCTOBER - 05 OCTOBER)
Date   T index  Conditions             MUFs                              
03 Oct    50    Mildly Depressed       0 to 20% below predicted monthly 
                                       values
04 Oct    45    Moderately Depressed   0 to 20% below predicted monthly 
                                       values    
05 Oct    45    Moderately Depressed   0 to 20% below predicted monthly 
                                       values   

COMMENT: Conditions for HF radio propagation were moderately 
depressed throughout the Australian region during 02 Oct UT. 
The T indices were mostly in the range 40 to 60 for individual 
stations. However, the T index was only 30 for Darwin and 34 
for Perth. Minor geomagnetic storms are expected during 03-05 
Oct. This may lead to deeper depressions during 04-06 Oct.

----------------------------------------------------------
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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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