[Ips-dhfpr] ASWFC Daily HF Prop Report - 25 August 24 issued 2330 UT on 25 Aug 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 AUGUST 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 AUGUST) 
Date   T index  Conditions    
25 Aug   150    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.7 24/2324UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Enhanced by 80% during local night.
   Niue Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values 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
Jul      131
Aug      119
Sep      119


2. FORECAST (26 AUGUST - 28 AUGUST)
Date   T index  Conditions       MUFs                              
26 Aug   145    Normal           Near to 15% above predicted 
                                 monthly values
27 Aug   145    Normal-fair      Near to 15% above predicted 
                                 monthly values    
28 Aug   145    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 25-Aug were near predicted monthly values to 
15% enhanced. Spread F was observed at Hobart during local night 
hours. MUFs are expected to be near predicted monthly values 
to 15% enhanced over 26-28 Aug. 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