[Ips-dhfpr] ASWFC Daily HF Prop Report - 10 November 24 issued 2331 UT on 10 Nov 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 NOVEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 NOVEMBER) 
Date   T index  Conditions    
10 Nov    93    Fair           

Flares    Max     Fadeout    Freq.  Sectors
  M4.2    0015UT  possible   lower  West Pacific
  M9.4    1206UT  probable   lower  European
  M4.9    2021UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 35% after local dawn.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 20% during local night.
      Depressed by 40% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Oct      139
Nov      119
Dec      117


2. FORECAST (11 NOVEMBER - 13 NOVEMBER)
Date   T index  Conditions       MUFs                              
11 Nov    65    Poor-fair        Depressed 15-30%
12 Nov   115    Normal           Near predicted monthly values    
13 Nov   115    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. ASWFC HF Communications 
Warning 133 was issued on 10 November and is current for 11 Nov 
only. Maximum usable frequencies (MUFs) in the Australian region 
on UT day 10-Nov were generally near predicted monthly values 
in the northern Australian region during the local day yesterday. 
Southern Australian region MUFs were depressed by up to 25% during 
the local day yesterday with the exception of Perth which remained 
generally near predicted monthly values. Australian region MUFS 
are 15-40% depressed after local dawn this morning. Strong spread 
F was observed at Hobart during local night hours. A minor shortwave 
fadeout was observed 10/0010-0028UT. MUFs are expected to be 15-30% 
depressed in the Australian region for 11-Nov and to be generally 
be near predicted monthly values over 12-13 Nov. Shortwave fadeouts 
are probable.

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