[Ips-dhfpr] ASWFC Daily HF Prop Report - 14 February 24 issued 2330 UT on 14 Feb 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 FEBRUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 FEBRUARY) 
Date   T index  Conditions    
14 Feb   140    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.0    0310UT  possible   lower  E. Asia/Aust.
  M1.0    0735UT  possible   lower  Mid East/Indian

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

PCA Event : 10MeV Proton/PCA Event Began at 0755UT 12/02, Ended at 1930UT 14/02

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


2. FORECAST (15 FEBRUARY - 17 FEBRUARY)
Date   T index  Conditions       MUFs                              
15 Feb   140    Normal           Near predicted monthly values 
                                 to 25% enhanced
16 Feb   140    Normal           Near predicted monthly values 
                                 to 25% enhanced    
17 Feb   140    Normal           Near predicted monthly values 
                                 to 25% enhanced   

COMMENT: ASWFC Preliminary HF Communications Warning 18 was issued 
on 13 February and is current for 14-15 Feb. ASWFC SWF HF Communications 
Warning 19 was issued on 13 February and is current for 13-15 
Feb. Maximum usable frequencies (MUFs) on UT day 14-Feb were 
near predicted values to 15% enhanced. Sporadic-E was observed 
at Canberra during local night hours. MUFs are expected to be 
near predicted monthly values to 25% enhanced over 15-17 Feb. 
Isolated shortwave fadeouts are possible.

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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