[Ips-dhfpr] SWS Daily HF Prop Report - 28 June 22 issued 2330 UT on 28 Jun 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 JUNE 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 JUNE) 
Date   T index  Conditions    
28 Jun    50    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
May      79
Jun      57
Jul      59


2. FORECAST (29 JUNE - 01 JULY)
Date   T index  Conditions       MUFs                              
29 Jun    50    Normal           Near predicted monthly values/depressed 
                                 15 to 25%
30 Jun    50    Normal           Near predicted monthly values/depressed 
                                 15 to 25%    
01 Jul    50    Normal           Near predicted monthly values/depressed 
                                 15 to 25%   

COMMENT: Maximum usable frequencies (MUFs) on UT day 28 Jun were 
mostly near monthly predicted values with mild to moderate depressions; 
some strong daytime enhancements were observed at Niue and Cocos 
Is. Spread F was observed during local night at mid-latitude 
sites and Darwin. MUFs on 29 Jun-01 Jul are expected to be near 
monthly predicted values with mild to moderate depressions at 
times.

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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.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
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