[Ips-dhfpr] SWS Daily HF Prop Report - 28 September 16 issued 2330 UT on 28 Sep 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 SEPTEMBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 SEPTEMBER) 
Date   T index  Conditions    
28 Sep     7    Fair           

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 15% during local night.
      Depressed by 20% after local dawn.
   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      29
Sep      35
Oct      34


2. FORECAST (29 SEPTEMBER - 01 OCTOBER)
Date   T index  Conditions       MUFs                              
29 Sep     0    Fair-poor        15 to 20% below predicted monthly 
                                 values
30 Sep     5    Fair-poor        Depressed 15%/near predicted 
                                 monthly values    
01 Oct     3    Fair             15 to 20% below predicted monthly 
                                 values   

COMMENT: Observed MUF's were strongly depressed over most Australian 
regions throughout the UT day 28 September. These depression 
are associated with the observed minor storm conditions driven 
by a very large positive polarity coronal hole. Similar MUF depressions 
are expected for the next three days (29 September to 1 October) 
as active conditions associated with the coronal hole are expected 
to persist for a few more days.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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