[Ips-dhfpr] ASWFC Daily HF Prop Report - 17 June 24 issued 2330 UT on 17 Jun 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 JUNE 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 JUNE) 
Date   T index  Conditions    
17 Jun   120    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.5    0804UT  possible   lower  Mid East/Indian
  M1.5    1046UT  possible   lower  European
  M1.0    2017UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Mostly 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 (18 JUNE - 20 JUNE)
Date   T index  Conditions       MUFs                              
18 Jun   120    Normal           Near predicted monthly values
19 Jun   120    Normal           Near predicted monthly values    
20 Jun   120    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 17-Jun were mostly near predicted values in 
the Australian region. Degraded conditions were observed in Hobart 
and Niue island during local night hours. MUFs are expected to 
be near predicted monthly values over 18-20 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