[Ips-dhfpr] ASWFC Daily HF Prop Report - 27 February 26 issued 2330 UT on 27 Feb 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 FEBRUARY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 FEBRUARY) 
Date   T index  Conditions    
27 Feb    79    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 25% 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 (28 FEBRUARY - 02 MARCH)
Date   T index  Conditions       MUFs                              
28 Feb    90    Normal-fair      Near predicted monthly values
01 Mar    75    Fair-normal      Depressed 10 to 15%/near predicted 
                                 monthly values    
02 Mar    90    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the southern Australian 
region on UT day 27-Feb were depressed 25% during the local day. 
Northern Australian region MUFs remained near predicted monthly 
values. Sporadic-E was observed at times at Niue and Canberra. 
MUFs are generally expected to be near predicted values over 
28-Feb to 02-Mar, with the chance of southern Australian region 
MUFs becoming 15% depressed on 01-Mar if a weak CME arrival eventuates 
on 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