[Ips-dhfpr] ASWFC Daily HF Prop Report - 22 June 26 issued 2335 UT on 22 Jun 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 JUNE 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 JUNE) 
Date   T index  Conditions    
22 Jun    71    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.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
May      67
Jun      68
Jul      65


2. FORECAST (23 JUNE - 25 JUNE)
Date   T index  Conditions       MUFs                              
23 Jun    75    Normal           Near predicted monthly values
24 Jun    68    Normal           Near predicted monthly values    
25 Jun    60    Normal-fair      Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 55 was issued on 
21 June and is current for 21-23 Jun. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 22-Jun were mostly 
near predicted values, with enhancements of up to 15% seen in 
the Southern Australian region. Spread-F was observed over much 
of the Australian region during local night hours. Sporadic-E 
was observed in Canberra. MUFs are expected to be mostly near 
predicted monthly values over 23-25 Jun.

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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