[Ips-dhfpr] ASWFC Daily HF Prop Report - 16 February 24 issued 2330 UT on 16 Feb 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 FEBRUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 FEBRUARY) 
Date   T index  Conditions    
16 Feb   154    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.5    0251UT  possible   lower  E. Asia/Aust.
  X2.5    0653UT  probable   all    Mid East/Indian
  M3.0    2209UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
      Enhanced by 45% after local dawn.
   Niue Island Region:
      Enhanced by 20-25%.
   Northern Australian Region:
      Enhanced by 20-30%.
   Southern Australian Region:
      Enhanced by 15%.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      144
Feb      108
Mar      108


2. FORECAST (17 FEBRUARY - 19 FEBRUARY)
Date   T index  Conditions       MUFs                              
17 Feb   145    Normal           Near predicted monthly values 
                                 to 15% enhanced
18 Feb   145    Normal           Near predicted monthly values 
                                 to 15% enhanced    
19 Feb   145    Normal           Near predicted monthly values 
                                 to 15% enhanced   

COMMENT: Maximum usable frequencies (MUFs) on UT day 16-Feb were 
near predicted monthly values to 30% enhanced in the Australian 
region. Minor shortwave fadeouts were observed 16/0248-0256UT 
and 16/0649-0707UT. Scintillation was observed at Darwin and 
Weipa between 16/1434-1620 UT. MUFs are expected to be near predicted 
monthly values to 15% enhanced over 17-19 Feb. Further isolated 
shortwave fadeouts are possible on 17-Feb.

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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