[Ips-dhfpr] SWS Daily HF Prop Report - 25 March 17 issued 2330 UT on 25 Mar 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 MARCH 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 MARCH) 
Date   T index  Conditions    
25 Mar    20    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 35% during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Mostly 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
Feb      10
Mar      16
Apr      15


2. FORECAST (26 MARCH - 28 MARCH)
Date   T index  Conditions       MUFs                              
26 Mar    22    Normal           Near predicted monthly values
27 Mar    20    Normal           Near predicted monthly values/depressed 
                                 5 to 15%    
28 Mar    10    Fair             Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: MUFs across the Australian/NZ region were mostly near 
predicted monthly values today (25 March, UT) with some periods 
of minor to mild enhancements in the equatorial regions and minor 
to mild depressions in the Norther regions. Nearly similar HF 
conditions are expected on 26 March in this region. Due to expected 
rise in geomagnetic activity levels from late on 27 March, minor 
to mild MUF depressions and degradations in HF conditions are 
possible on this day. Minor to moderate MUF depressions and degradations 
in HF conditions are likely on 28 March.

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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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