[Ips-dhfpr] ASWFC Daily HF Prop Report - 21 September 24 issued 2331 UT on 21 Sep 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 SEPTEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 SEPTEMBER) 
Date   T index  Conditions    
21 Sep   145    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 35% during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 45% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Aug      159
Sep      117
Oct      116


2. FORECAST (22 SEPTEMBER - 24 SEPTEMBER)
Date   T index  Conditions       MUFs                              
22 Sep   140    Normal           Near to 20% above predicted 
                                 monthly values
23 Sep   140    Normal           Near to 20% above predicted 
                                 monthly values    
24 Sep   140    Normal           Near to 20% above predicted 
                                 monthly values   

COMMENT: On UT day 21-Sep maximum usable frequencies (MUFs) were 
near predicted monthly values to 20% enhanced. Scintillation 
was observed in Darwin, Weipa and Niue from 0725 to 1559 UT. 
MUFs are expected to be near predicted values to 20% enhanced 
over 22-24 Sep.

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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