[Ips-dhfpr] SWS Daily HF Prop Report - 05 January 17 issued 2330 UT on 05 Jan 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 JANUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 JANUARY) 
Date   T index  Conditions    
05 Jan    -5    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 35% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   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 (06 JANUARY - 08 JANUARY)
Date   T index  Conditions       MUFs                              
06 Jan   -10    Normal-fair      15 to 20% below predicted monthly 
                                 values
07 Jan    -5    Normal-fair      Depressed 15%/near predicted 
                                 monthly values    
08 Jan    -5    Normal           Depressed 15%/near predicted 
                                 monthly values   

COMMENT: SWS Preliminary HF Communications Warning 1 was issued 
on 4 January and is current for 5-7 Jan. On the UT day 5 January 
in the Australian region MUFs were mostly near monthly predicted 
values and depressed by 15-20%. On 6 January similar HF conditions 
are expected, then the conditions are expected to gradually recover. 
HF users are advised to use lower than the monthly predicted 
frequencies.

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