[Ips-dhfpr] SWS Daily HF Prop Report - 15 November 17 issued 2330 UT on 15 Nov 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 NOVEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 NOVEMBER) 
Date   T index  Conditions    
15 Nov   -12    Normal         

Flares: none.

MUFs:
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Oct      4
Nov      5
Dec      4


2. FORECAST (16 NOVEMBER - 18 NOVEMBER)
Date   T index  Conditions       MUFs                              
16 Nov   -20    Normal           Near predicted monthly values/depressed 
                                 5 to 20%
17 Nov   -10    Normal           Near predicted monthly values/depressed 
                                 5 to 15%    
18 Nov   -10    Normal           Near predicted monthly values/depressed 
                                 5 to 15%   

COMMENT: Over the last 24 hours in the Australian/NZ region MUFs 
were mostly near predicted monthly values with depressions of 
15%-20% observed in the Southern Australian region during local 
day and the Antarctica region as a consequence of the recent 
increased geomagnetic activity. Sporadic E was observed throughout 
the Australian region. Today expect minor depressions over the 
UT day, 16 November, particularly in southern Australia and a 
return to mostly near predicted MUFs with some minor depressions 
in the Southern Australian region on 17-18 November.

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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
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