[Ips-dhfpr] ASWFC Daily HF Prop Report - 28 March 25 issued 2330 UT on 28 Mar 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 MARCH 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 MARCH) 
Date   T index  Conditions    
28 Mar   131    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  X1.1    1520UT  probable   all    South American/
                                    Atlantic
  M1.1    1926UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      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
Feb      127
Mar      117
Apr      114


2. FORECAST (29 MARCH - 31 MARCH)
Date   T index  Conditions       MUFs                              
29 Mar   125    Normal           Near predicted monthly values
30 Mar   125    Normal-fair      Near predicted monthly values    
31 Mar   120    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region were near predicted values. Sporadic-E was observed in 
Townsville and Brisbane during local night hours. MUFs are expected 
to be mostly near predicted values over 29-31 Mar. Mild depressions 
may be possible during local night hours.

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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