[Ips-dhfpr] SWS Daily HF Prop Report - 01 January 19 issued 2330 UT on 01 Jan 2019 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 JANUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 JANUARY) 
Date   T index  Conditions    
01 Jan   -30    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% 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
Dec      -32
Jan      -12
Feb      -13


2. FORECAST (02 JANUARY - 04 JANUARY)
Date   T index  Conditions       MUFs                              
02 Jan   -30    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%
03 Jan   -30    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%    
04 Jan   -30    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: SWS HF Communications Warning 33 was issued on 31 December 
and is current for 1-2 Jan. On 1 January, MUFs varied mostly 
between near predicted monthly levels and moderately depressed 
ones. Strong Sporadic E layers were seen across the Australian 
region and in Antarctica. Similar levels of ionospheric support 
are expected for the next 3 UT days, 2-4 January, due to continued 
very low levels of ionising radiation from the Sun.

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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
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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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