[Ips-dhfpr] IPS Daily HF Prop Report - 27 September 15 issued 2330 UT on 27 Sep 2015

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 SEPTEMBER) 
Date   T index  Conditions    
27 Sep    56    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.9    1040UT  possible   lower  European
  C9.0    2101UT  probable   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Depressed by 15% 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
Aug      46
Sep      75
Oct      73


2. FORECAST (28 SEPTEMBER - 30 SEPTEMBER)
Date   T index  Conditions       MUFs                              
28 Sep    55    Normal           Near predicted monthly values/depressed 
                                 15 to 20%
29 Sep    60    Normal           Near predicted monthly values    
30 Sep    60    Normal           Near predicted monthly values   

COMMENT: IPS SWF HF Communications Warning 58 was issued on 27 
September and is current for 28 Sep only. Mildly degraded HF 
conditions were observed during 27 September over the Australasian 
region mainly local day. There was continuing recovery in all 
regions over the poor ionospheric support for HF of the previous 
week. Expect mild depressions N and S Aus regions mainly local 
day. Brief shortwave fadeouts possible local daylight hours Equatorial/N 
Aus regions day one.

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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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