[Ips-dhfpr] SWS Daily HF Prop Report - 23 September 21 issued 0024 UT on 24 Sep 2021

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT - CORRECTED VERSION
ISSUED AT 2330UT/23 SEPTEMBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 SEPTEMBER) 
Date   T index  Conditions    
23 Sep    28    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.8    0442UT  possible   lower  E. Asia/Aust.
  M1.8    1528UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   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
Aug      14
Sep      27
Oct      30


2. FORECAST (24 SEPTEMBER - 26 SEPTEMBER)
Date   T index  Conditions       MUFs                              
24 Sep    25    Normal           Near predicted monthly values
25 Sep    20    Normal           Near predicted monthly values    
26 Sep    25    Normal-fair      Near predicted monthly values   

COMMENT: SWS SWF HF Communications Warning 24 was issued on 23 
September and is current for 23-25 Sep. MUFs in the Australian 
region on UT day 23 September were mostly near predicted monthly 
values. MUFs in the Australian region on 24-26 September are 
expected to be mostly near predicted monthly values.

----------------------------------------------------------
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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