[Ips-dhfpr] SWS Daily HF Prop Report - 19 October 16 issued 2330 UT on 19 Oct 2016 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Thu Oct 20 10:30:35 EST 2016


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 OCTOBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 OCTOBER) 
Date   T index  Conditions    
19 Oct    -9    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Depressed by 30% 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      30
Oct      30
Nov      30


2. FORECAST (20 OCTOBER - 22 OCTOBER)
Date   T index  Conditions       MUFs                              
20 Oct     0    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%
21 Oct     0    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
22 Oct     0    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: SWS HF Communications Warning 46 was issued on 19 October 
and is current for 19-20 Oct. Mainly due to low levels of ionising 
radiation, minor to moderate MUF depressions and degradations 
in HF conditions were observed in the Aus/NZ regions today (UT 
day 19 October). Minor to mild degradations in HF conditions 
and depressions in MUFs are expected to continue in this region 
during the next three days (20, 21 and 22 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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