[Ips-dhfpr] SWS Daily HF Prop Report - 18 October 16 issued 2330 UT on 18 Oct 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 OCTOBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 OCTOBER) 
Date   T index  Conditions    
18 Oct    -0    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 25% during local night.
      Depressed by 30% after local dawn.
   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
Sep      30
Oct      30
Nov      30


2. FORECAST (19 OCTOBER - 21 OCTOBER)
Date   T index  Conditions       MUFs                              
19 Oct     5    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
20 Oct     8    Normal           Near predicted monthly values    
21 Oct     8    Normal           Near predicted monthly values   

COMMENT: Due to low levels of ionising radiation and slightly 
enhanced geomagnetic activity levels, minor to moderate MUF depressions 
and degradations in HF conditions were observed in the Aus/NZ 
regions today (UT day 18 October). Minor degradations in HF conditions 
and depressions in MUFs are possible in this region on 19 October. 
Improvements to mostly normal levels are expected in HF conditions 
in the region through 20 and 21 October as the geomagnetic activity 
is expected to stay at Quiet levels during 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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