[Ips-dhfpr] ASWFC Daily HF Prop Report - 12 February 26 issued 2330 UT on 12 Feb 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 FEBRUARY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 FEBRUARY) 
Date   T index  Conditions    
12 Feb    73    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.4    0240UT  possible   lower  E. Asia/Aust.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   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 (13 FEBRUARY - 15 FEBRUARY)
Date   T index  Conditions       MUFs                              
13 Feb    75    Normal           Near predicted monthly values
14 Feb    80    Normal           Near predicted monthly values    
15 Feb    75    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 21 was issued on 
11 February and is current for 11-13 Feb. Maximum Usable Frequencies 
(MUFs) in northern Australian regions were near predicted monthly 
values on UT day 11-Feb. Southern Australian MUFs were depressed 
by 15% during local day. Spread F was observed at Hobart during 
local night hours. MUFs are expected to be near predicted monthly 
values over 13-15 Feb.

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