[Ips-dhfpr] SWS Daily HF Prop Report - 22 May 21 issued 2335 UT on 22 May 2021

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 MAY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 MAY) 
Date   T index  Conditions    
22 May    11    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 M1/--    1711UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      No data.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   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
Apr      12
May      21
Jun      24


2. FORECAST (23 MAY - 25 MAY)
Date   T index  Conditions       MUFs                              
23 May     7    Normal           Near predicted monthly values
24 May    10    Normal           Near predicted monthly values    
25 May    10    Fair-poor        Near predicted monthly values   

COMMENT: MUFs in the Australian region on UT day 22 May were 
mostly near predicted monthly values with some mild depressions 
in the Niue Island region during the local night. For 23-25 May, 
MUFs are expected to be mostly near predicted monthly values. 
Short wave fadeout is possible for the next three UT days (23-25 
May).

----------------------------------------------------------
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
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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