[Ips-dhfpr] ASWFC Daily HF Prop Report - 24 September 22 issued 2330 UT on 24 Sep 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 SEPTEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 SEPTEMBER) 
Date   T index  Conditions    
24 Sep    69    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   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      53
Sep      68
Oct      69


2. FORECAST (25 SEPTEMBER - 27 SEPTEMBER)
Date   T index  Conditions       MUFs                              
25 Sep    70    Normal           Near predicted monthly values
26 Sep    70    Normal           Near predicted monthly values    
27 Sep    70    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 73 was issued on 
23 September and is current for 24-26 Sep. Maximum usable frequencies 
(MUFs) on UT day 24-Sep were mostly near predicted monthly values 
in the Australian region. Spread F was observed during local 
night hours at Hobart. Regional MUFs are expected to be near 
predicted monthly values over 25-27 Sep. Mildly degraded HF conditions 
may be experienced during local night hours on 25-Sep for southern 
Australian region.

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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.

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au