[Ips-dhfpr] ASWFC Daily HF Prop Report - 20 September 24 issued 2330 UT on 20 Sep 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 SEPTEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 SEPTEMBER) 
Date   T index  Conditions    
20 Sep   147    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 40% during local day.
      Enhanced by 55% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   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
Aug      159
Sep      117
Oct      116


2. FORECAST (21 SEPTEMBER - 23 SEPTEMBER)
Date   T index  Conditions       MUFs                              
21 Sep   140    Normal           Near to 25% above predicted 
                                 monthly values
22 Sep   140    Normal           Near to 25% above predicted 
                                 monthly values    
23 Sep   140    Normal           Near to 25% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region were near predicted values to 35% enhanced. Scintillation 
was observed from 0911-1219 UT in Darwin and Niue. MUFs are expected 
to be near predicted values to 25% enhanced over 21-23 Sep.

----------------------------------------------------------
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