[Ips-dhfpr] ASWFC Daily HF Prop Report - 27 November 24 issued 2330 UT on 27 Nov 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 NOVEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 NOVEMBER) 
Date   T index  Conditions    
27 Nov   134    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
 M1/--    1246UT  possible   lower  European

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   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 (28 NOVEMBER - 30 NOVEMBER)
Date   T index  Conditions       MUFs                              
28 Nov   125    Normal-fair      Near predicted monthly values
29 Nov   100    Normal           Near predicted monthly values/depressed 
                                 5 to 10%    
30 Nov   120    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 139 was issued on 
26 November and is current for 26-28 Nov. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 27-Nov were near predicted 
monthly values. MUFs are expected to be near predicted monthly 
values on 28-30 Nov, with depressions of 5-10% possible on 29-Nov 
due to anticipated geomagnetic activity. 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