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

[Regional Warning Centre]

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

1. SUMMARY (29 SEPTEMBER) 
Date   T index  Conditions    
29 Sep    56    Mildly depressed         

Flares    Max     Fadeout    Freq.  Sectors
  M1.2    0316UT  possible   lower  E. Asia/Aust.
  M1.0    0345UT  possible   lower  E. Asia/Aust.
  M2.9    0516UT  possible   lower  E. Asia/Aust.
  M1.2    0537UT  possible   lower  E. Asia/Aust.
  M1.0    0556UT  possible   lower  E. Asia/Aust.
  M1.4    0643UT  possible   lower  Mid East/Indian
  M1.0    0803UT  possible   lower  Mid East/Indian
  M1.6    1115UT  possible   lower  European
  M1.1    1924UT  possible   lower  East Pacific/
                                    North American

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

COMMENT: IPS SWF HF Communications Warning 59 was issued on 28 
September and is current for 29-30 Sep. Conditions for HF radio 
propagation were mildly depressed at Australian mid-latitude 
stations during 29 Sep UT. Most T indices were in the range of 
50 to 65. However, the T index for Niue was only 40 and the T 
index for Cocos Island was 104 due to enhanced conditions during 
06 to 16 UT.

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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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