[Ips-dhfpr] SWS Daily HF Prop Report - 20 October 17 issued 2330 UT on 20 Oct 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 OCTOBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 OCTOBER) 
Date   T index  Conditions    
20 Oct    -7    Normal         

Flares: none.

MUFs:
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 25% during local night.
   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
Sep      20
Oct      5
Nov      4


2. FORECAST (21 OCTOBER - 23 OCTOBER)
Date   T index  Conditions       MUFs                              
21 Oct    -5    Normal           Near predicted monthly values/depressed 
                                 5 to 15%
22 Oct    -5    Normal           Near predicted monthly values/depressed 
                                 5 to 15%    
23 Oct     5    Normal           Near predicted monthly values   

COMMENT: Near predicted MUFs in the Northern and the Southwest 
Australian region and 20-25% depressions in the Southeast Australian 
region for the UT day, 20 October. Expect near predicted MUFs 
for the next three days with a chance of 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
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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