[Ips-dhfpr] ASWFC Daily HF Prop Report - 25 February 26 issued 2330 UT on 25 Feb 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 FEBRUARY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 FEBRUARY) 
Date   T index  Conditions    
25 Feb    95    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M2.4    1559UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% 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
Jan      96
Feb      88
Mar      87


2. FORECAST (26 FEBRUARY - 28 FEBRUARY)
Date   T index  Conditions       MUFs                              
26 Feb    90    Normal           Near predicted monthly values
27 Feb    90    Normal           Near predicted monthly values    
28 Feb    95    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 26 was issued on 
25 February and is current for 26-27 Feb. Maximum usable frequencies 
(MUFs) in the Australian region were depressed by 15% to enhanced 
by 20%. Sporadic-E was observed in Townsvile, Niue Island and 
Brisbane during local night hours. Mild spread-F was observed 
in Hobart during local night hours. Scintillation was observed 
in Weipa from 1201 UT. MUFs are expected to be mostly near predicted 
values over 26-28 Feb.

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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