[Ips-dhfpr] SWS Daily HF Prop Report - 30 September 21 issued 2331 UT on 30 Sep 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 SEPTEMBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 SEPTEMBER) 
Date   T index  Conditions    
30 Sep    35    Normal         

Flares: none.

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

PCA Event : No event.

Monthly T index:
Month  T index
Aug      14
Sep      27
Oct      30


2. FORECAST (01 OCTOBER - 03 OCTOBER)
Date   T index  Conditions       MUFs                              
01 Oct    25    Normal-fair      Near predicted monthly values
02 Oct    20    Normal           Near predicted monthly values    
03 Oct    30    Normal           Near predicted monthly values   

COMMENT: MUFs in the Australian region on UT day 30 September 
were mostly near predicted monthly values with some nighttime 
enhancements. Pre-dawn depressions to 30% were observed at Darwin. 
MUFs are likely to be mostly near predicted monthly values although 
some mild depressions are possible at times on 01-02 October. 
MUFs are likely to be near predicted monthly values on 03 October. 
There is a small chance of short-wave fadeouts (radio blackouts).

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

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