[Ips-dhfpr] ASWFC Daily HF Prop Report - 31 January 24 issued 2330 UT on 31 Jan 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/31 JANUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (31 JANUARY) 
Date   T index  Conditions    
31 Jan   114    Fair           

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 40% during local night.
   Niue Island Region:
      No data available during local day.
      No data available during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : 10MeV Proton/PCA Event Began at 0605UT 29/01, Ended at 0405UT 30/01

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


2. FORECAST (01 FEBRUARY - 03 FEBRUARY)
Date   T index  Conditions       MUFs                              
01 Feb   120    Normal-fair      Near predicted monthly values
02 Feb   130    Normal-fair      Near predicted monthly values    
03 Feb   130    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 31-Jan were 
near predicted values to 20% in the Australian region. Sporadic-E 
was observed at Perth and Hobart during local night hours. Perth 
was significantly degraded during local night and dawn hours. 
MUFs are expected to be near predicted monthly values over 1-3 
Feb. Some mild depressions may be observed in high latitudes 
at local dawn hours on 1-Feb.

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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