[Ips-dhfpr] SWS Daily HF Prop Report - 30 December 18 issued 2330 UT on 30 Dec 2018 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 DECEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 DECEMBER) 
Date   T index  Conditions    
30 Dec    -6    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      No data available.
   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
Nov      -32
Dec      -8
Jan      -9


2. FORECAST (31 DECEMBER - 02 JANUARY)
Date   T index  Conditions       MUFs                              
31 Dec   -20    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
01 Jan   -20    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
02 Jan   -20    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: SWS HF Communications Warning 32 was issued on 29 December 
and is current for 30-31 Dec. On UT day 30 December, MUFs were 
mostly near predicted monthly values across the Australian region. 
Strong Sporadic E layers were seen across the Australian region. 
Near predicted to weakly depressed MUFs are expected for the 
next three days, as a consequence of very low levels of ionising 
radiation from the Sun.

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