[Ips-dhfpr] IPS Daily HF Prop Report - 30 September 15 issued 2330 UT on 30 Sep 2015

Regional Warning Centre rwc at ips.gov.au
Thu Oct 1 09:30:39 EST 2015


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 SEPTEMBER) 
Date   T index  Conditions    
30 Sep    51    Mildly Depressed         

Flares    Max     Fadeout    Freq.  Sectors
 M1.3    1059 UT  possible   lower  European

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   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 (01 OCTOBER - 03 OCTOBER)
Date   T index  Conditions         MUFs                              
01 Oct    55    Mildly Depressed   0 to 15% below predicted monthly 
                                   values
02 Oct    55    Mildly Depressed   0 to 15% below predicted monthly 
                                   values    
03 Oct    55    Mildly Depressed   0 to 15% below predicted monthly 
                                   values   

COMMENT: Conditions for HF radio propagation were mixed throughout 
the Australian region during 30 Sep UT. The T index for Cocos 
Island was 70 (near to normal), but the T index for Niue was only 
33. The T indices for Townsville and Norfolk Island were 42 and 
38, respectively. However, the T indices for Perth, Sydney Canberra 
and Hobart were in the range 52 to 62 (mildly depressed).

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