[Ips-dhfpr] ASWFC Daily HF Prop Report - 27 January 24 issued 2330 UT on 27 Jan 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 JANUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 JANUARY) 
Date   T index  Conditions    
27 Jan   128    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Dec      110
Jan      106
Feb      105


2. FORECAST (28 JANUARY - 30 JANUARY)
Date   T index  Conditions       MUFs                              
28 Jan   130    Normal           Near predicted monthly values
29 Jan   125    Normal-fair      Near predicted monthly values    
30 Jan   120    Normal-fair      Near predicted monthly values 
                                 to 15% depressed   

COMMENT: ASWFC SWF HF Communications Warning 10 was issued on 
26 January and is current for 26-28 Jan. Maximum usable frequencies 
(MUFs) on UT day 27-Jan were mostly near predicted monthly values 
in the Australian region. MUFs are expected to be near monthly 
predicted values over 28-30 Jan, although some mild depressions 
may be observed over 29-30 Jan due to possible coronal hole activity.

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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