[Ips-dhfpr] SWS Daily HF Prop Report - 21 February 21 issued 2354 UT on 21 Feb 2021

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 FEBRUARY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 FEBRUARY) 
Date   T index  Conditions    
21 Feb     2    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      2
Feb      12
Mar      15


2. FORECAST (22 FEBRUARY - 24 FEBRUARY)
Date   T index  Conditions       MUFs                              
22 Feb     1    Normal           Near predicted monthly values
23 Feb     5    Normal           Near predicted monthly values    
24 Feb     5    Normal           Near predicted monthly values   

COMMENT: On UT day 21 February, MUFs in the Australian region 
were mostly near predicted monthly values with some mild to moderate 
depressions. Sporadic E layers were observed, strong at times. 
MUFs in the Australian region are expected to be near predicted 
monthly values on UT days 22-24 February with some mild MUF depressions 
possible. Sporadic E occurrences are likely to continue.

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