[Ips-dhfpr] ASWFC Daily HF Prop Report - 04 March 24 issued 2330 UT on 04 Mar 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 MARCH 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 MARCH) 
Date   T index  Conditions    
04 Mar    84    Fair-poor      

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Enhanced by 55% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 30% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      138
Mar      111
Apr      112


2. FORECAST (05 MARCH - 07 MARCH)
Date   T index  Conditions       MUFs                              
05 Mar    95    Normal           Near predicted monthly values
06 Mar   110    Normal           Near predicted monthly values    
07 Mar   110    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 04-Mar were 
depressed by up to 30% in the southern Australian region, with 
the strongest depressions observed during local day. MUFs were 
near predicted monthly values in the northern Australian region. 
Spread F was observed at Hobart during local night. Ionospheric 
scintillation was observed at Darwin and Weipa at around 1400-1500UT. 

MUFs are expected to recover towards predicted monthly values 
on 05-Mar. MUFs are expected to be near predicted monthly values 
over 06-07 Mar.

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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