[Ips-dhfpr] ASWFC Daily HF Prop Report - 06 February 25 issued 2333 UT on 06 Feb 2025 [SEC=OFFICIAL]

Australian Space Weather Forecasting Centre aswfc at bom.gov.au
Fri Feb 7 10:33:42 AEDT 2025


SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 FEBRUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 FEBRUARY) 
Date   T index  Conditions    
06 Feb   159    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M7.6    1104UT  probable   lower  European
  M2.3    2327UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Enhanced by 25% during local day.
      Enhanced by 65% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% 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      124
Feb      118
Mar      115


2. FORECAST (07 FEBRUARY - 09 FEBRUARY)
Date   T index  Conditions       MUFs                              
07 Feb   155    Normal           Near to 15% above predicted 
                                 monthly values
08 Feb   155    Normal           Near to 15% above predicted 
                                 monthly values    
09 Feb   155    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 18 was issued on 
6 February and is current for 6-8 Feb. Maximum usable frequencies 
(MUFs) in the Australian region were near predicted monthly values 
to 15% enhanced on UT day 06-Feb. Ionospheric scintillation was 
observed at Darwin over the interval 06/1452-1550UT. MUFs are 
expected to be near predicted monthly values to 15% enhanced 
over 07-09 Feb. Shortwave fadeouts are probable.

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



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