[Ips-dhfpr] SWS Daily HF Prop Report - 08 December 16 issued 2336 UT on 08 Dec 2016 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 DECEMBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 DECEMBER) 
Date   T index  Conditions    
08 Dec     6    Fair-poor      

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 30% during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 25% after local dawn.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Nov      3
Dec      24
Jan      23


2. FORECAST (09 DECEMBER - 11 DECEMBER)
Date   T index  Conditions       MUFs                              
09 Dec   -10    Fair-poor        15 to 20% below predicted monthly 
                                 values
10 Dec   -20    Fair             20 to 30% below predicted monthly 
                                 values    
11 Dec   -30    Normal-fair      20 to 30% below predicted monthly 
                                 values   

COMMENT: SWS HF Communications Warning 65 was issued on 7 December 
and is current for 8-11 Dec. Minor depressions in MUFs were experienced 
over most of the Australian region on UT day 08 December. Over 
the next three days (09-11 December), minor to moderate MUF depressions 
are expected due to disturbed geomagnetic conditions. 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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