[Ips-dhfpr] ASWFC Daily HF Prop Report - 01 February 26 issued 2330 UT on 01 Feb 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 FEBRUARY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 FEBRUARY) 
Date   T index  Conditions    
01 Feb   132    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.7    0205UT  possible   lower  E. Asia/Aust.
  M1.0    0341UT  possible   lower  E. Asia/Aust.
  M1.9    0420UT  possible   lower  E. Asia/Aust.
  M6.6    1002UT  probable   lower  European
  X1.0    1233UT  probable   all    European
  M1.5    1548UT  possible   lower  South American/
                                    Atlantic
  M5.1    1605UT  possible   lower  South American/
                                    Atlantic
  M1.1    1735UT  possible   lower  South American/
                                    Atlantic
  M2.5    1758UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      96
Feb      88
Mar      87


2. FORECAST (02 FEBRUARY - 04 FEBRUARY)
Date   T index  Conditions       MUFs                              
02 Feb   120    Normal           Near to 15% above predicted 
                                 monthly values
03 Feb   120    Normal           Near to 15% above predicted 
                                 monthly values    
04 Feb   120    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 15 was issued on 
1 February and is current for 1-3 Feb. Maximum Usable Frequencies 
(MUFs) in the Australian region were near predicted monthly values 
to 15% enhanced during the day on UT day 01-Feb. Enhancements 
of 25-30% were observed during local night hours. Spread-F was 
observed at Hobart and Brisbane over the UT day. MUFs are expected 
to be near predicted monthly values to enhanced by 15% over 02-04 
Feb. Shortwave fadeouts are probable.

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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