[Ips-dhfpr] ASWFC Daily HF Prop Report - 20 June 24 issued 2331 UT on 20 Jun 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 JUNE 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 JUNE) 
Date   T index  Conditions    
20 Jun   113    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    1518UT  possible   lower  South American/
                                    Atlantic
  M5.7    2316UT  probable   lower  West Pacific

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   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 (21 JUNE - 23 JUNE)
Date   T index  Conditions       MUFs                              
21 Jun   110    Normal           Near predicted monthly values
22 Jun   110    Normal           Near predicted monthly values    
23 Jun   110    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 20-Jun were 
near predicted monthly values in the Australian region. Spread 
F was observed at several Australian sites during local night 
hours. MUFs are expected to be near predicted monthly values 
over 21-23 Jun. Shortwave fadeouts are possible.

----------------------------------------------------------
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