[Ips-dhfpr] SWS Daily HF Prop Report - 20 April 21 issued 2330 UT on 20 Apr 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 APRIL 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 APRIL) 
Date   T index  Conditions    
20 Apr    22    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 M1/-- 19/2342UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   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
Mar      9
Apr      19
May      23


2. FORECAST (21 APRIL - 23 APRIL)
Date   T index  Conditions       MUFs                              
21 Apr    22    Normal           Near predicted monthly values
22 Apr    22    Normal           Near predicted monthly values    
23 Apr    15    Normal           Near predicted monthly values   

COMMENT: MUFs over the Australian regions were mostly near predicted 
monthly levels on UT day 20 April. MUFs are expected to be near 
predicted monthly values on UT days 21-22 April. Minor MUF depressions 
are possible on UT day 23 April due to a possible rise in geomagnetic 
activity.

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For an explanation of some of the terms in this report, go to
http://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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
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