[Ips-dhfpr] ASWFC Daily HF Prop Report - 27 January 23 issued 2331 UT on 27 Jan 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 JANUARY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 JANUARY) 
Date   T index  Conditions    
27 Jan   109    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Enhanced by 25% during local night.
      Enhanced by 30% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% 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 (28 JANUARY - 30 JANUARY)
Date   T index  Conditions       MUFs                              
28 Jan   105    Normal           Near to 15% above predicted 
                                 monthly values
29 Jan   105    Normal           Near to 15% above predicted 
                                 monthly values    
30 Jan   105    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 27-Jan were near predicted monthly values to 
25% enhanced in the Southern Australian region and near monthly 
predicted values to 20% enhanced in the Northern Australian region. 
Sporadic E was observed at several Australian sites during local 
night. MUFs are expected to be near predicted monthly values 
to 15% enhanced over 28-30 Jan. Sporadic E is possible during 
local night, affecting lower 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