[Ips-dhfpr] ASWFC Daily HF Prop Report - 19 September 24 issued 2330 UT on 19 Sep 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 SEPTEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 SEPTEMBER) 
Date   T index  Conditions    
19 Sep   152    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 40% during local night.
   Niue Island Region:
      Enhanced by 50% during local day.
      Enhanced by 45% during local night.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 40% during local night.
   Southern Australian Region:
      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 (20 SEPTEMBER - 22 SEPTEMBER)
Date   T index  Conditions       MUFs                              
20 Sep   160    Normal           Near to 15% above predicted 
                                 monthly values
21 Sep   160    Normal           Near to 15% above predicted 
                                 monthly values    
22 Sep   160    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the northern Australian 
region on UT day 19-Sep were generally near predicted monthly 
values to 20-40% enhanced, with the strongest enhancements observed 
during local night. MUFs in the southern Australian region were 
near predicted monthly values. Spread F was observed at Hobart 
during local night hours. MUFs are expected to be near predicted 
monthly values to 15% enhanced over 20-22 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