[Ips-dhfpr] SWS Daily HF Prop Report - 29 October 16 issued 2331 UT on 29 Oct 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 OCTOBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (29 OCTOBER) 
Date   T index  Conditions    
29 Oct    26    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Enhanced by 35% during local day.
      Enhanced by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

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


2. FORECAST (30 OCTOBER - 01 NOVEMBER)
Date   T index  Conditions       MUFs                              
30 Oct    10    Normal-fair      Near predicted monthly values/depressed 
                                 15 to 25%
31 Oct    10    Normal           Near predicted monthly values/depressed 
                                 10 to 25%    
01 Nov    20    Normal           Near predicted monthly values/depressed 
                                 5 to 20%   

COMMENT: SWS HF Communications Warning 49 was issued on 27 October 
and is current for 28-30 Oct. Normal to depressed MUFs were observed 
for the UT day, 29 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 the next three days with some degradation in HF 
communication. Note, there were periods of sporadic E observed 
in the Australian region, particularly over Hobart station between 
09-15UT.

----------------------------------------------------------
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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