[Ips-dhfpr] SWS Daily HF Prop Report - 02 January 19 issued 2330 UT on 02 Jan 2019 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Thu Jan 3 10:30:21 EST 2019


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 JANUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (02 JANUARY) 
Date   T index  Conditions    
02 Jan   -37    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 25% during local night.
   Southern Australian Region:
      Depressed by 20% 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 (03 JANUARY - 05 JANUARY)
Date   T index  Conditions       MUFs                              
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%    
05 Jan   -30    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: SWS HF Communications Warning 1 was issued on 2 January 
and is current for 3 Jan only. Mild MUF depressions across the 
Australian region as compared to the monthly predicted levels 
were observed during 2 January. 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, 3-5 January, due to continued 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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