[Ips-dhfpr] SWS Daily HF Prop Report - 06 February 19 issued 2330 UT on 06 Feb 2019 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 FEBRUARY) 
Date   T index  Conditions    
06 Feb    -7    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 50% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      -27
Feb      -12
Mar      -13


2. FORECAST (07 FEBRUARY - 09 FEBRUARY)
Date   T index  Conditions       MUFs                              
07 Feb   -15    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
08 Feb   -20    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 25%    
09 Feb   -20    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 25%   

COMMENT: On UT day 06 February, MUFs were near monthly predicted 
levels to mildly enhanced across most parts of Australian/NZ 
regions with periods of minor MUF depressions in the Antarctic 
region. Strong sporadic E layers were also observed. Minor to 
mild MUF depressions and degradations in HF conditions may be 
observed in the Aus/NZ regions for the next three days (UT days 
07 to 09 February) due to continued very low levels of ionising 
radiation from the Sun and possible enhancements in geomagnetic 
activity levels through this period.

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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
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