[Ips-dhfpr] ASWFC Daily HF Prop Report - 03 June 26 issued 2340 UT on 03 Jun 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/03 JUNE 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (03 JUNE) 
Date   T index  Conditions    
03 Jun    84    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M9.3    0136UT  probable   lower  West Pacific
  M7.7    0700UT  probable   lower  Mid East/Indian
  X1.0    1128UT  probable   all    European

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 30% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Near predicted monthly values 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
May      67
Jun      68
Jul      65


2. FORECAST (04 JUNE - 06 JUNE)
Date   T index  Conditions       MUFs                              
04 Jun    85    Normal-fair      Near to 15% above predicted 
                                 monthly values
05 Jun    60    Fair             Near predicted monthly values    
06 Jun    65    Fair             Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 51 was issued on 
2 June and is current for 2-4 Jun. Maximum Usable Frequencies 
(MUFs) in the Australian region were mostly near predicted monthly 
values to 15% enhanced on UT day 03-Jun. Spread-F was observed 
at Canberra, Hobart and Learmonth during local night hours. A 
period of ionospheric scintillation was observed at Nuie between 
03/0756UT and 03/0817UT. MUFs are expected to be near predicted 
monthly values to 15% enhanced on 04-Jun, then near predicted 
monthly values over 05-06 Jun. Shortwave fadeouts are probable.

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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