[Ips-dhfpr] ASWFC Daily HF Prop Report - 02 February 24 issued 2330 UT on 02 Feb 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 FEBRUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (02 FEBRUARY) 
Date   T index  Conditions    
02 Feb   129    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    0301UT  possible   lower  E. Asia/Aust.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Niue Island Region:
      No data available during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   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 (03 FEBRUARY - 05 FEBRUARY)
Date   T index  Conditions       MUFs                              
03 Feb   140    Normal           Near predicted monthly values
04 Feb   130    Normal-fair      Near predicted monthly values    
05 Feb   100    Fair-normal      Depressed 10 to 15%/near predicted 
                                 monthly values   

COMMENT: ASWFC Preliminary HF Communications Warning 12 was issued 
on 2 February and is current for 4-5 Feb. ASWFC SWF HF Communications 
Warning 13 was issued on 2 February and is current for 2-3 Feb. 
Maximum usable frequencies (MUFs) on UT day 02-Feb were near 
predicted monthly values to 30% enhanced in the Australian region. 
The R1-Minor flare briefly increased absorption during the interval 
02/0300-0305UT for lower HF frequencies at Darwin, Townsville 
and Brisbane. MUFs are expected to be generally near predicted 
monthly values to 15% enhanced, with the chance for mildly depressed 
conditions for the southern Australian region after local dawn 
on 05-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