[Ips-dhfpr] ASWFC Daily HF Prop Report - 11 November 24 issued 2331 UT on 11 Nov 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 NOVEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 NOVEMBER) 
Date   T index  Conditions    
11 Nov    73    Fair           

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    0527UT  possible   lower  E. Asia/Aust.
  M1.4    0543UT  possible   lower  E. Asia/Aust.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Depressed by 35% during local day.
      Depressed by 25% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed 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
Oct      139
Nov      119
Dec      117


2. FORECAST (12 NOVEMBER - 14 NOVEMBER)
Date   T index  Conditions       MUFs                              
12 Nov   100    Normal           Near predicted monthly values
13 Nov   100    Normal-fair      Near predicted monthly values    
14 Nov   100    Normal-fair      Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 132 was issued on 
10 November and is current for 10-12 Nov. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 11-Nov were depressed 
by 15-35%. Spread F was observed at Hobart during local night 
hours. Southern Australian region MUFS are 15-25% depressed after 
local dawn this morning. MUFs are expected to be generally 
near predicted monthly values over 12-14 Nov. Shortwave fadeouts 
are probable.

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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