[Ips-dhfpr] SWS Daily HF Prop Report - 13 July 21 issued 2330 UT on 13 Jul 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 JULY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 JULY) 
Date   T index  Conditions    
13 Jul     8    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% 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
Jun      13
Jul      23
Aug      26


2. FORECAST (14 JULY - 16 JULY)
Date   T index  Conditions       MUFs                              
14 Jul    10    Normal           Near predicted monthly values/depressed 
                                 10 to 20%
15 Jul     5    Normal           Near predicted monthly values    
16 Jul    15    Normal           Near predicted monthly values   

COMMENT: MUFs in the Australian region on UT day 13 July were 
mostly near predicted monthly values with some mild depressions 
in the Cocos Island region. There were also some MUF enhancements 
in the Southern Australian region during the local night. MUFs 
in the Australian region are expected to be mostly near predicted 
monthly values on UT days 14-16 July. Some mild MUF depressions 
are possible on UT days 14-15 July, due to the expected increase 
in geomagnetic activity.

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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
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