[Ips-dhfpr] IPS Daily HF Prop Report - 04 December 15 issued 2330 UT on 04 Dec 2015 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 DECEMBER 2015 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 DECEMBER) 
Date   T index  Conditions    
04 Dec    49    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% 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
Nov      55
Dec      65
Jan      64


2. FORECAST (05 DECEMBER - 07 DECEMBER)
Date   T index  Conditions       MUFs                              
05 Dec    50    Normal-fair      Near predicted monthly values
06 Dec    40    Normal-fair      Depressed 15%/near predicted 
                                 monthly values    
07 Dec    35    Poor-fair        Depressed 15%/near predicted 
                                 monthly values   

COMMENT: Conditions for HF radio wave propagation were mildly 
depressed throughout the Australian region during 04 Dec. Periods 
of blanketing sporadic-E conditions observed at times in Southern 
Australian region. Depressed HF propagation conditions days two 
and three of the forecast period due anticipated increase in 
geomagnetic activity on these days.

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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 ips.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
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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