[Ips-dhfpr] ASWFC Daily HF Prop Report - 04 May 26 issued 2330 UT on 04 May 2026 [SEC=OFFICIAL]

Tue May 5 09:30:52 AEST 2026

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 MAY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 MAY) 
Date   T index  Conditions    
04 May    84    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.8    0133UT  possible   lower  West Pacific

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 15% during local night.
   Northern Australian Region:
      Enhanced by 25% during local day.
      Enhanced by 15% during local night.
   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
Apr      74
May      71
Jun      68

2. FORECAST (05 MAY - 07 MAY)
Date   T index  Conditions       MUFs                              
05 May    80    Normal-fair      Near predicted monthly values
06 May    85    Normal           Near predicted monthly values    
07 May    85    Normal           Near predicted monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) in the Australian 
region on UT day 04-May were largely near predicted monthly values, 
with 15-25% enhancements observed in northern Australia regions. 
Spread-F were observed at Hobart and Canberra during local night 
hours. MUFs are forecast to be near predicted monthly values 
over 05-07 May.

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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