[Ips-dhfpr] ASWFC Daily HF Prop Report - 12 October 24 issued 2331 UT on 12 Oct 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 OCTOBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 OCTOBER) 
Date   T index  Conditions    
12 Oct   146    Normal         

Flares: none

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 20-40%.
   Northern Australian Region:
      Enhanced by 20-25%.
   Southern Australian Region:
      Initially enhanced 25% then near predicted monthly values.
      15% depressed to near predicted monthly values after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : 10MeV Proton/PCA Event Began at 0455UT 09/10, Ended at 0045UT 11/10
 and, 10MeV Proton/PCA Event Began at 0205UT 11/10, Ended at 0300UT 11/10

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


2. FORECAST (13 OCTOBER - 15 OCTOBER)
Date   T index  Conditions       MUFs                              
13 Oct   115    Fair-normal      15% depressed southern Aus. 
                                 region and 15% enhanced northern 
                                 Aus. region.
14 Oct   130    Normal           Near predicted monthly values 
                                 to 15% enhanced.    
15 Oct   130    Normal           Near predicted monthly values 
                                 to 15% enhanced.   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 12-Oct were near predicted monthly values to 
25% enhanced. Spread F was observed during local night hours 
at Hobart. Hobart and Canberra MUFs were mildly depressed after 
local dawn. MUFs are expected to be near predicted monthly values 
to 15% enhanced over the 13-15 Oct. 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