[Ips-dhfpr] ASWFC Daily HF Prop Report - 03 April 25 issued 2330 UT on 03 Apr 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/03 APRIL 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (03 APRIL) 
Date   T index  Conditions    
03 Apr   120    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 45% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      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 : 10MeV Proton/PCA Event Began at 1425UT 31/03, Ended at 0810UT 02/04

Monthly T index:
Month  T index
Mar      126
Apr      115
May      113


2. FORECAST (04 APRIL - 06 APRIL)
Date   T index  Conditions       MUFs                              
04 Apr   120    Normal           Near predicted values to 15% 
                                 depressed
05 Apr   115    Normal-fair      Near predicted monthly values 
                                 to 15% depressed    
06 Apr   115    Normal           Near predicted monthly values 
                                 to 20% depressed   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 3-Apr were near predicted values. Sporadic-E 
was observed in Niue during local night hours. MUFs are expected 
to be near predicted values to 15-20% depressed over 4-6 Apr.

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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