[Ips-dhfpr] SWS Daily HF Prop Report - 18 November 17 issued 2330 UT on 18 Nov 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 NOVEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 NOVEMBER) 
Date   T index  Conditions    
18 Nov    -6    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      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
Oct      4
Nov      5
Dec      4


2. FORECAST (19 NOVEMBER - 21 NOVEMBER)
Date   T index  Conditions       MUFs                              
19 Nov     0    Normal-fair      Near predicted monthly values
20 Nov     0    Normal-fair      Near predicted monthly values    
21 Nov   -10    Normal-fair      Near predicted monthly values/depressed 
                                 15 to 20%   

COMMENT: Over the last 24 hours MUFs were near predicted monthly 
values in the Australian region. The Niue Island region experienced 
moderate enhancements in MUFs during the local day and minor 
depressions during the local night and dawn. Isolated periods 
of sporadic E were observed throughout the Australian region. 
Over the next three days expect near predicted MUFs to minor 
depressions.

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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
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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