[Ips-dhfpr] SWS Daily HF Prop Report - 02 January 17 issued 2330 UT on 02 Jan 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 JANUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (02 JANUARY) 
Date   T index  Conditions    
02 Jan     6    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 15% 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      23
Feb      22


2. FORECAST (03 JANUARY - 05 JANUARY)
Date   T index  Conditions       MUFs                              
03 Jan    10    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
04 Jan    20    Normal-fair      Near predicted monthly values    
05 Jan     5    Fair             Near predicted monthly values/depressed 
                                 15 to 30%   

COMMENT: SWS HF Communications Warning 71 was issued on 31 December 
and is current for 1-3 Jan. MUFs were mostly near monthly predicted 
values in the mid- and low-latitude regions of Australia on UT 
day 2 January. Mild depressions were observed in the high-latitude 
Australian regions. On 3 January the high-latitude depressions 
are expected to extend into the low-latitude regions due to the 
previous geomagnetic activity associated with the coronal hole. 
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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