[Ips-dhfpr] ASWFC Daily HF Prop Report - 29 January 23 issued 2331 UT on 29 Jan 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 JANUARY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (29 JANUARY) 
Date   T index  Conditions    
29 Jan   115    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 25-30% during local night and after local dawn.
   Niue Island Region:
      Enhanced by 35% during local day.
      Enhanced by 50% during local night.
   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 20% during local night and after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

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


2. FORECAST (30 JANUARY - 01 FEBRUARY)
Date   T index  Conditions       MUFs                              
30 Jan   100    Normal           Near to 15% above predicted 
                                 monthly values
31 Jan   100    Normal           Near to 15% above predicted 
                                 monthly values    
01 Feb   100    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 29-Jan were near predicted monthly values to 
25% enhanced. Sporadic E was observed at several Australian sites 
during local night. Spread F was observed at Hobart. MUFs are 
expected to be near predicted monthly values to 15% enhanced 
over 30-Jan to 01-Feb. 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