[Ips-dhfpr] SWS Daily HF Prop Report - 05 December 19 issued 2331 UT on 05 Dec 2019

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 DECEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 DECEMBER) 
Date   T index  Conditions    
05 Dec   -38    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      No data.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values to 25% depressed
      during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Nov      -30
Dec      -16
Jan      -17


2. FORECAST (06 DECEMBER - 08 DECEMBER)
Date   T index  Conditions       MUFs                              
06 Dec   -30    Normal           Near predicted monthly values/depressed 
                                 15 to 25%
07 Dec   -30    Normal           Near predicted monthly values/depressed 
                                 15 to 25%    
08 Dec   -30    Normal           Near predicted monthly values/depressed 
                                 15 to 25%   

COMMENT: Maximum usable frequencies (MUFs) were mostly near predicted 
monthly values to moderately depressed on UT day 05 Dec. Night 
time spread F and evening sporadic E observed at mid latitudes. 
Mildly depressed to near predicted monthly MUFs are expected 
over the Australian region 06-08 Dec.

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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
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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