[Ips-dhfpr] SWS Daily HF Prop Report - 08 November 17 issued 2330 UT on 08 Nov 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 NOVEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 NOVEMBER) 
Date   T index  Conditions    
08 Nov   -29    Fair-poor      

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

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


2. FORECAST (09 NOVEMBER - 11 NOVEMBER)
Date   T index  Conditions       MUFs                              
09 Nov   -20    Poor-fair        Depressed 20%/near predicted 
                                 monthly values
10 Nov   -15    Fair             Near predicted monthly values/depressed 
                                 10 to 20%    
11 Nov   -10    Fair             Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: SWS HF Communications Warning 46 was issued on 8 November 
and is current for 9-10 Nov. Over the last 24 hours in the Australian/NZ 
region MUFs were depressed by 25%-30% as a consequence of the 
major geomagnetic storm occurred on 7-8 Nov. The MUFs are expected 
to be moderately depressed for 9 Nov.

----------------------------------------------------------
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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