[Ips-dhfpr] ASWFC Daily HF Prop Report - 26 January 23 issued 2331 UT on 26 Jan 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 JANUARY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 JANUARY) 
Date   T index  Conditions    
26 Jan   132    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.0 25/2236UT  possible   lower  East Pacific/
                                    North American
  M2.9    1306UT  possible   lower  European

MUFs:
   Cocos Island Region:
      Enhanced by 35% during local day.
      Enhanced by 45% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Enhanced by 35% during local day.
      Enhanced by 40% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Enhanced by 15% 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 (27 JANUARY - 29 JANUARY)
Date   T index  Conditions       MUFs                              
27 Jan   125    Normal           Near to 15% above predicted 
                                 monthly values
28 Jan   115    Normal           Near to 15% above predicted 
                                 monthly values    
29 Jan   115    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 26-Jan were 15-25% enhanced in the Southern 
Australian region and near monthly predicted values to 15% enhanced 
in the Northern Australia region. Sporadic E was observed at 
Perth, Norfolk Island, Brisbane, Learmonth, Niue and Townsville 
during local night. MUFs are expected to be near predicted monthly 
values to 15% enhanced over 27-29 Jan. Shortwave fadeouts are 
possible. Sporadic E is possible during local night, affecting 
lower frequencies.

----------------------------------------------------------
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