[Ips-dhfpr] SWS Daily HF Prop Report - 04 January 17 issued 2330 UT on 04 Jan 2017 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at sws.bom.gov.au
Thu Jan 5 10:30:51 EST 2017


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 JANUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 JANUARY) 
Date   T index  Conditions    
04 Jan    -1    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values 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 (05 JANUARY - 07 JANUARY)
Date   T index  Conditions       MUFs                              
05 Jan    10    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
06 Jan     1    Normal-fair      Near predicted monthly values/depressed 
                                 15 to 30%    
07 Jan     1    Normal           Near predicted monthly values/depressed 
                                 15 to 30%   

COMMENT: On the UT day 4 January in the Australian region MUFs 
were mostly near monthly predicted values with mild depressions 
during the local day. On 5 January similar HF conditions are 
expected with possible enhancements at low and middle latitudes 
due to the predicted increase in the geomagnetic activity associated 
with the coronal hole. Mildly depressed MUFs are expected for 
the UT days 6-7 January. 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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