[Ips-dhfpr] ASWFC Daily HF Prop Report - 08 March 25 issued 2331 UT on 08 Mar 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 MARCH 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 MARCH) 
Date   T index  Conditions    
08 Mar   141    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 60% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 35% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      127
Mar      117
Apr      114


2. FORECAST (09 MARCH - 11 MARCH)
Date   T index  Conditions       MUFs                              
09 Mar   120    Fair             Near predicted monthly values
10 Mar   125    Normal-fair      Near predicted monthly values    
11 Mar   140    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 08-Mar in 
the Australian region were near predicted monthly values, with 
depressions of up to 35% after local dawn in the southern hemisphere. 
Ionospheric scintillation was observed at Niue at 08/0908UT. 
MUFs are expected to be near predicted monthly values over 09-10 
Mar, with a chance of mild depressions. MUFs are expected to 
recover to near predicted monthly values, with a chance of 15% 
enhancements on 11-Mar. Shortwave fadeouts are possible.

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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