[Ips-dhfpr] ASWFC Daily HF Prop Report - 05 February 25 issued 2330 UT on 05 Feb 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 FEBRUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 FEBRUARY) 
Date   T index  Conditions    
05 Feb   162    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.2    0315UT  possible   lower  E. Asia/Aust.
  M2.7    0750UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 50% during local night.
      Enhanced by 40% after local dawn.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 40% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 25% 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      124
Feb      118
Mar      115


2. FORECAST (06 FEBRUARY - 08 FEBRUARY)
Date   T index  Conditions       MUFs                              
06 Feb   165    Normal           Near to 15% above predicted 
                                 monthly values
07 Feb   165    Normal           Near to 15% above predicted 
                                 monthly values    
08 Feb   165    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region were near predicted monthly values to 40% enhanced on 
UT day 05-Feb. A shortwave fadeout impacting lower HF frequencies 
was observed over the interval 05/0314-0320UT. MUFs are expected 
to be near predicted monthly values to 15% enhanced over 06-08 
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