[Ips-dhfpr] ASWFC Daily HF Prop Report - 16 June 24 issued 2330 UT on 16 Jun 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 JUNE 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 JUNE) 
Date   T index  Conditions    
16 Jun   118    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 65% during local night.
   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 : No event.

Monthly T index:
Month  T index
May      121
Jun      116
Jul      117


2. FORECAST (17 JUNE - 19 JUNE)
Date   T index  Conditions       MUFs                              
17 Jun   110    Normal           Near predicted monthly values
18 Jun   110    Normal           Near predicted monthly values    
19 Jun   110    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 66 was issued on 
16 June and is current for 16-18 Jun. Maximum usable frequencies 
(MUFs) on UT day 16-Jun were near predicted monthly values in 
the Australian region. Spread-F was observed at Hobart during 
local night hours. Periods of ionospheric scintillation were 
observed in Niue during local night hours. MUFs are expected 
to be near predicted monthly values over 17-19 Jun. Shortwave 
fadeouts are possible.

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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