[Ips-dhfpr] SWS Daily HF Prop Report - 23 February 21 issued 2330 UT on 23 Feb 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 FEBRUARY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 FEBRUARY) 
Date   T index  Conditions    
23 Feb    13    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   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
Jan      2
Feb      12
Mar      15


2. FORECAST (24 FEBRUARY - 26 FEBRUARY)
Date   T index  Conditions       MUFs                              
24 Feb   -15    Normal-fair      Depressed 15%/near predicted 
                                 monthly values
25 Feb    -5    Normal           Near predicted monthly values    
26 Feb     5    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 7 was issued on 22 February 
and is current for 23-24 Feb. On UT day 23 February, MUFs in 
the Australian region were mostly near predicted monthly values. 
Sporadic E layers were observed, strong at times. MUFs in the 
Australian region are expected to be near predicted monthly values 
with some mild depressions on UT day 24 February. Depressions 
should subside on UT days 25-26 February.

----------------------------------------------------------
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
PO Box 1386                         WWW: http://www.sws.bom.gov.au
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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