[Ips-dhfpr] SWS Daily HF Prop Report - 16 February 18 issued 2330 UT on 16 Feb 2018 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 FEBRUARY 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 FEBRUARY) 
Date   T index  Conditions    
16 Feb     8    Normal         

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.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   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
Jan      -6
Feb      4
Mar      3


2. FORECAST (17 FEBRUARY - 19 FEBRUARY)
Date   T index  Conditions       MUFs                              
17 Feb     4    Normal           Near predicted monthly values
18 Feb     4    Normal           Near predicted monthly values    
19 Feb     4    Normal           Near predicted monthly values   

COMMENT: MUFs were mostly near predicted monthly values during 
the UT day 16 Feb over the Australian region. Minor depressions 
were also observed in the Northern Australian region during local 
day. There were a few cases of Sporadic E blanketing over the 
Australian ionosonde sites. For 17-19 Feb MUFs are expected to 
be mostly near predicted monthly values. Minor to moderate depressions 
can occur in the Southern hemisphere as a consequence of the 
recent increase in geomagnetic activity.

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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
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