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

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 NOVEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 NOVEMBER) 
Date   T index  Conditions    
24 Nov   101    Fair-normal    

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    2022UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values 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.

PCA Event : No event.

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


2. FORECAST (25 NOVEMBER - 27 NOVEMBER)
Date   T index  Conditions       MUFs                              
25 Nov   110    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 15%
26 Nov   115    Normal           Near predicted monthly values/depressed 
                                 10 to 15%    
27 Nov   120    Normal           Near predicted monthly values/depressed 
                                 10 to 15%   

COMMENT: ASWFC SWF HF Communications Warning 137 was issued on 
23 November and is current for 23-25 Nov. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 24-Nov were depressed 
by 15% during local day and were near predicted monthly values 
for the rest of the day. Sporadic E was observed at Hobart and 
Canberra during local daylight hours. Spread F was observed at 
Hobart during local night hours. MUFs are expected to be near 
predicted monthly values over 25-27 Nov, although 10-15% depressions 
are possible.

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