[Ips-dhfpr] SWS Daily HF Prop Report - 13 November 18 issued 2330 UT on 13 Nov 2018 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 NOVEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 NOVEMBER) 
Date   T index  Conditions    
13 Nov   -41    Normal-fair    

Flares: none.

MUFs:
   Niue Island Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
   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      -17
Nov      -7
Dec      -7


2. FORECAST (14 NOVEMBER - 16 NOVEMBER)
Date   T index  Conditions       MUFs                              
14 Nov   -30    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%
15 Nov   -25    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 20%    
16 Nov   -25    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 20%   

COMMENT: MUFs were near predicted monthly values to depressed 
by 30% in the Australian/Antarctic regions on UT day 13 November 
mainly due to the continued very low levels of ionising radiation 
from the Sun. Minor to moderate MUF depressions in these regions 
may continue to be observed for the next three UT days (14 to 
16 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
Bureau of Meteorology
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
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