[Ips-dhfpr] ASWFC Daily HF Prop Report - 06 February 24 issued 2330 UT on 06 Feb 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 FEBRUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 FEBRUARY) 
Date   T index  Conditions    
06 Feb   158    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M2.2    0228UT  possible   lower  E. Asia/Aust.
  M4.2    0314UT  possible   lower  E. Asia/Aust.
  M1.3    1849UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Enhanced by 20% during local day.
      Enhanced by 60% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   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      144
Feb      108
Mar      108


2. FORECAST (07 FEBRUARY - 09 FEBRUARY)
Date   T index  Conditions       MUFs                              
07 Feb   155    Normal           Near predicted values to 25% 
                                 enhanced
08 Feb   155    Normal           Near predicted monthly values 
                                 to 25% enhanced    
09 Feb   140    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 14 was issued on 
5 February and is current for 5-7 Feb. Maximum usable frequencies 
(MUFs) on UT day 06-Feb were near predicted monthly values to 
25% enhanced in the Australian region. Sporadic-E was observed 
during local night hours at Perth. Shortwave fadeouts may have
affected lower frequencies around 0228 UT and 0314 UT.

MUFs are expected to be near 
monthly values over 07-09 Feb, with enhancements up to 25% possible 
over 07-08 Feb. Shortwave fadeouts are likely.

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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