[Ips-dhfpr] ASWFC Daily HF Prop Report - 14 January 23 issued 2331 UT on 14 Jan 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 JANUARY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 JANUARY) 
Date   T index  Conditions    
14 Jan   132    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.3    0211UT  possible   lower  E. Asia/Aust.
  M3.5    2021UT  possible   lower  East Pacific/
                                    North American
  M4.6    2101UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Enhanced by 15-25%.
   Niue Island Region:
      Enhanced by 20-30%.
   Northern Australian Region:
      Enhanced by 25-50%.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Dec      84
Jan      71
Feb      72


2. FORECAST (15 JANUARY - 17 JANUARY)
Date   T index  Conditions       MUFs                              
15 Jan   100    Normal           Near to 15% above predicted 
                                 monthly values
16 Jan   100    Normal           Near to 15% above predicted 
                                 monthly values    
17 Jan   100    Normal           Near to 15% predicted monthly 
                                 values   

COMMENT: ASWFC SWF HF Communications Warning 7 was issued on 
14 January and is current for 16-18 Jan. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 14-Jan were near predicted 
monthly values to 50% enhanced. MUFs are expected to be near 
predicted monthly values to 15% enhanced over 15-17 Jan. Shortwave 
fadeouts are probable. HF fadeout observed at Niue in association
with M3.5/M4.6 flare, impacting lower HF frequencies.

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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