[Ips-dhfpr] ASWFC Daily HF Prop Report - 29 October 24 issued 2331 UT on 29 Oct 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 OCTOBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (29 OCTOBER) 
Date   T index  Conditions    
29 Oct   124    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    1633UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.
      Proton event in progress, increased absorption observed.

PCA Event : 10MeV Proton/PCA Event Began 26 10 2024 1850UT and is in progress

Monthly T index:
Month  T index
Sep      147
Oct      116
Nov      115


2. FORECAST (30 OCTOBER - 01 NOVEMBER)
Date   T index  Conditions       MUFs                              
30 Oct   135    Normal           Near predicted monthly values 
                                 to 20% enhanced
31 Oct   140    Normal           Near predicted monthly values 
                                 to 20% enhanced    
01 Nov   145    Normal           Near predicted monthly values 
                                 to 20% enhanced   

COMMENT: ASWFC SWF HF Communications Warning 124 was issued on 
28 October and is current for 29-31 Oct. Maximum usable frequencies 
(MUFs) were near predicted values in the Australian region on 
UT day 29-Oct, with 15% depressions in the southern regions and 
15% enhancements in the northern regions. Sporadic-E was observed 
in Brisbane and cocos Islands during local night hours. MUFs 
are expected to be near predicted values to 20% enhanced over 
30-31 Oct and 01-Nov.

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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