[Ips-dhfpr] ASWFC Daily HF Prop Report - 27 September 24 issued 2331 UT on 27 Sep 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 SEPTEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 SEPTEMBER) 
Date   T index  Conditions    
27 Sep   137    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.4 26/2312UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian Region:
      Mostly near predicted monthly values.
   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 (28 SEPTEMBER - 30 SEPTEMBER)
Date   T index  Conditions       MUFs                              
28 Sep   140    Normal           Near to 15% above predicted 
                                 monthly values
29 Sep   140    Normal           Near to 15% above predicted 
                                 monthly values    
30 Sep   140    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 27-Sep were 
enhanced by up to 40% in the northern Australian region and were 
near predicted monthly values in the southern Australian region. 
MUFs are expected to be near predicted monthly values to 15% 
enhanced over 28-30 Sep. Isolated shortwave fadeouts are possible.

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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