[Ips-dhfpr] SWS Daily HF Prop Report - 21 February 20 issued 2335 UT on 21 Feb 2020

rwc rwc at ips.gov.au
Sat Feb 22 10:35:08 EST 2020


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 FEBRUARY 2020 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    -7    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced 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
Jan      -20
Feb      -16
Mar      -16


2. FORECAST (22 FEBRUARY - 24 FEBRUARY)
Date   T index  Conditions       MUFs                              
22 Feb   -10    Normal           Near predicted monthly values/depressed 
                                 15 to 20%
23 Feb   -10    Normal           Near predicted monthly values    
24 Feb   -10    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) for UT day 21 February 
were mostly near predicted monthly values to enhanced, with minor 
depressions observed in the Northern Australian region during 
the local day. Sporadic E was observed over most sites. Over 
the next 3 UT days, 22-24 February, MUFs are likely to be near 
predicted monthly values, with some minor depressions up to 20% 
possible.

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