[Ips-dhfpr] SWS Daily HF Prop Report - 30 October 16 issued 2330 UT on 30 Oct 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 OCTOBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 OCTOBER) 
Date   T index  Conditions    
30 Oct    -1    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      No data available during local day.
      No data available during local night.
      Enhanced by 35% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 30% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 25% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Sep      30
Oct      30
Nov      30


2. FORECAST (31 OCTOBER - 02 NOVEMBER)
Date   T index  Conditions       MUFs                              
31 Oct    10    Normal           Near predicted monthly values/depressed 
                                 10 to 25%
01 Nov    10    Normal           Near predicted monthly values/depressed 
                                 5 to 20%    
02 Nov    20    Normal           Near predicted monthly values/depressed 
                                 5 to 15%   

COMMENT: SWS HF Communications Warning 50 was issued on 30 October 
and is current for 31 Oct to 1 Nov. Normal to depressed MUFs 
were observed for the UT day, 30 October, in the Aus/NZ region. 
Current depressions are associated with low levels of ionising 
radiation and geomagnetic activity resulting in ionospheric storming. 
Expect these conditions to prevail for today, 31 October with 
some degradation in HF communication at high latitudes. Note, 
there were periods of sporadic E observed in the Australian region.

----------------------------------------------------------
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
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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