[Ips-dhfpr] SWS Daily HF Prop Report - 24 August 21 issued 2330 UT on 24 Aug 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 AUGUST 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 AUGUST) 
Date   T index  Conditions    
24 Aug    14    Normal-fair    

Flares: none.

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

PCA Event : No event.

Monthly T index:
Month  T index
Jul      17
Aug      25
Sep      28


2. FORECAST (25 AUGUST - 27 AUGUST)
Date   T index  Conditions       MUFs                              
25 Aug     8    Normal           Near predicted monthly values/depressed 
                                 10 to 20%
26 Aug     6    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%    
27 Aug     8    Normal           Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: MUFs in the Australian region on UT day 23 August were 
near predicted monthly values, with some mild MUF depressions 
in the Northern Australian region and mild enhancements in the 
Antarctic regions. MUFs in the Australian region on UT days 25 
to 27 August are expected to be mostly near predicted monthly 
values with the possibility of minor to mild MUF depressions 
due to the expected increase in geomagnetic activity levels.

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For an explanation of some of the terms in this report, go to
https://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
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