[Ips-dhfpr] SWS Daily HF Prop Report - 19 January 17 issued 2330 UT on 19 Jan 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 JANUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 JANUARY) 
Date   T index  Conditions    
19 Jan     4    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Dec      2
Jan      21
Feb      20


2. FORECAST (20 JANUARY - 22 JANUARY)
Date   T index  Conditions       MUFs                              
20 Jan    -5    Normal-fair      Near predicted monthly values/depressed 
                                 15 to 25%
21 Jan     0    Normal           Near predicted monthly values/depressed 
                                 15 to 25%    
22 Jan     5    Normal           Near predicted monthly values   

COMMENT: On 19-Jan, MUFs were mostly near predicted monthly values 
in all Australian regions with some minor depressions. Cocos 
Islands had moderately depressed MUFs during the local night 
and the Niue Island region had enhanced MUFs during the local 
day. Minor MUF depressions may occur on 20-Jan due to increased 
geomagnetic activity.

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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
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