[Ips-dhfpr] ASWFC Daily HF Prop Report - 08 September 24 issued 2330 UT on 08 Sep 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 SEPTEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 SEPTEMBER) 
Date   T index  Conditions    
08 Sep   161    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.5    1530UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 85% during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 30-35% during local night and after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 20% over the UT day.

PCA Event : No event.

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


2. FORECAST (09 SEPTEMBER - 11 SEPTEMBER)
Date   T index  Conditions       MUFs                              
09 Sep   165    Normal           15 to 25% above predicted monthly 
                                 values
10 Sep   165    Normal           15 to 25% above predicted monthly 
                                 values    
11 Sep   130    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 08-Sep were near predicted monthly values to 
40% enhanced. Ionospheric scintillation was observed at Darwin 
over the interval 08/1250-1330UT. MUFs are expected to be 15-25% 
enhanced over 09-10 Sep and near predicted monthly values on 
11-Sep. 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