[Ips-dhfpr] SWS Daily HF Prop Report - 11 October 17 issued 2330 UT on 11 Oct 2017 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Thu Oct 12 10:30:21 EST 2017


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 OCTOBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 OCTOBER) 
Date   T index  Conditions    
11 Oct    22    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Enhanced by 55% during local day.
      Enhanced by 45% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Mostly 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
Sep      20
Oct      5
Nov      4


2. FORECAST (12 OCTOBER - 14 OCTOBER)
Date   T index  Conditions       MUFs                              
12 Oct     5    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
13 Oct     5    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
14 Oct     5    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: Over the last 24 hours, MUFs were mainly near predicted 
monthly values across most of the Australian/NZ and Antarctic 
Regions. MUFs were enhanced in the Niue Island Region across 
the local day and night with slight depressions local dawn. MUFs 
are expected to be mainly near monthly predicted values to slightly 
depressed for the next three UT days (12-14 October)due low solar 
ionising radiation and the aftermath of the observed Active to 
Minor Storm conditions on 11 October.

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