[Ips-dhfpr] ASWFC Daily HF Prop Report - 11 August 24 issued 2330 UT on 11 Aug 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 AUGUST 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 AUGUST) 
Date   T index  Conditions    
11 Aug   171    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.0    0031UT  possible   lower  West Pacific
  M1.6    0528UT  possible   lower  E. Asia/Aust.
  M1.6    2018UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 100% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Enhanced by 20% during local day.
      Enhanced by 65% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 40% during local night.
      Enhanced by 35% after local dawn.
   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 (12 AUGUST - 14 AUGUST)
Date   T index  Conditions       MUFs                              
12 Aug   140    Fair-poor        Near to 15% above predicted 
                                 monthly values
13 Aug   130    Normal-fair      Near predicted monthly values    
14 Aug   160    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 11-Aug were near predicted monthly values to 
40% enhanced. Ionospheric scintillation was observed at Niue 
Island from 11/0750-1059UT. MUFs are expected to be near predicted 
monthly values to 15% enhanced over 12-14 Aug. Shortwave fadeouts 
are probable.

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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