[Ips-dhfpr] ASWFC Daily HF Prop Report - 05 February 26 issued 2330 UT on 05 Feb 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 FEBRUARY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 FEBRUARY) 
Date   T index  Conditions    
05 Feb   121    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.5    0423UT  possible   lower  E. Asia/Aust.
  M1.0    0833UT  possible   lower  Mid East/Indian
  M1.6    1304UT  possible   lower  European
  M1.8    1513UT  possible   lower  South American/
                                    Atlantic
  M1.6    1630UT  possible   lower  South American/
                                    Atlantic
  M1.5    1741UT  possible   lower  South American/
                                    Atlantic
  M2.2    1934UT  possible   lower  East Pacific/
                                    North American
  M1.1    2217UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 20% during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
      Enhanced by 30% after local dawn.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
      Enhanced by 30% after local dawn.
   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 (06 FEBRUARY - 08 FEBRUARY)
Date   T index  Conditions       MUFs                              
06 Feb   130    Normal           Near to 15% above predicted 
                                 monthly values
07 Feb   125    Normal           Near to 15% above predicted 
                                 monthly values    
08 Feb   120    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 19 was issued on 
5 February and is current for 6-8 Feb. Maximum Usable Frequencies 
(MUFs) in the Australian region were mostly enhanced by 20-30% 
above predicted monthly values during local day hours, with the 
strongest enhancements observed in the northern Australian region. 
MUFs were near predicted monthly values during local night hours. 
Sporadic E was observed across the Australian region during local 
night hours. MUFs are expected to be near predicted monthly values 
to enhanced by 15% over 06-08 Feb. Sporadic E is expected in 
the Australian region during local night hours. Shortwave fadeouts 
are expected.

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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