[Ips-dhfpr] ASWFC Daily HF Prop Report - 26 September 24 issued 2331 UT on 26 Sep 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 SEPTEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 SEPTEMBER) 
Date   T index  Conditions    
26 Sep   120    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.3 25/2312UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 35% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

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


2. FORECAST (27 SEPTEMBER - 29 SEPTEMBER)
Date   T index  Conditions       MUFs                              
27 Sep   130    Normal           Near predicted monthly values 
                                 to 15% enhanced
28 Sep   135    Normal           Near predicted monthly values 
                                 to 15% enhanced    
29 Sep   135    Normal           Near predicted monthly values 
                                 to 15% enhanced   

COMMENT: ASWFC SWF HF Communications Warning 106 was issued on 
25 September and is current for 25-27 Sep. Maximum usable frequencies 
(MUFs) on UT day 26-Sep were enhanced by up to 15% and depressed 
by up to 25%. Scintillation was observed in Darwin and Weipa 
from 1124 to 1333 UT. MUFs are expected to be near predicted 
values to 15% enhanced over 27-29 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