[Ips-dhfpr] SWS Daily HF Prop Report - 28 December 17 issued 2330 UT on 28 Dec 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 DECEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 DECEMBER) 
Date   T index  Conditions    
28 Dec    -6    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   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      -5
Dec      4
Jan      4


2. FORECAST (29 DECEMBER - 31 DECEMBER)
Date   T index  Conditions       MUFs                              
29 Dec     0    Normal           Near predicted monthly values
30 Dec     0    Normal           Near predicted monthly values    
31 Dec    10    Normal           Near predicted monthly values   

COMMENT: Minor MUF depressions to near monthly predicted MUFs 
were observed across Aus/NZ regions on UT day 28 December. Incidence 
of Sporadic E blanketing were still evident over most Australian 
ionosonde sites. The two day outlook (29-30 Dec) is for MUFs 
to be mostly near monthly predicted levels.

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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
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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