[Ips-dhfpr] ASWFC Daily HF Prop Report - 20 February 24 issued 2330 UT on 20 Feb 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 FEBRUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 FEBRUARY) 
Date   T index  Conditions    
20 Feb   148    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 50% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 20% over the UT day.

PCA Event : No event.

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


2. FORECAST (21 FEBRUARY - 23 FEBRUARY)
Date   T index  Conditions       MUFs                              
21 Feb   150    Normal           Near predicted monthly values 
                                 to 20% enhanced
22 Feb   150    Normal           Near predicted monthly values 
                                 to 20% enhanced    
23 Feb   150    Normal           Near predicted monthly values 
                                 to 20% enhanced   

COMMENT: Maximum usable frequencies (MUFs) on UT day 20-Feb were 
near predicted monthly values to 25% in the Australian region. 
Sporadic-E was observed in Canberra at local night hours and 
signal spreading was observed at Darwin during local night hours. 
MUFs are expected to be near predicted monthly values to 20% 
enhanced over 21-23 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