[Ips-dhfpr] SWS Daily HF Prop Report - 22 February 20 issued 2339 UT on 22 Feb 2020

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 FEBRUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 FEBRUARY) 
Date   T index  Conditions    
22 Feb   -14    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      No data available during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values.
   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      -20
Feb      -16
Mar      -16


2. FORECAST (23 FEBRUARY - 25 FEBRUARY)
Date   T index  Conditions       MUFs                              
23 Feb   -15    Normal           Near predicted monthly values/depressed 
                                 15 to 20%
24 Feb   -15    Normal           Near predicted monthly values/depressed 
                                 15 to 20%    
25 Feb   -20    Normal           Near predicted monthly values/depressed 
                                 15 to 20%   

COMMENT: Maximum usable frequencies (MUFs) for UT day 22 February 
were mostly near predicted monthly values to enhanced, with minor 
depressions observed in the Niue Island and Northern Australian 
regions during the local day and in the Antarctic region over 
the UT day. Sporadic E was observed over most sites. Over the 
next 3 UT days, 23-25 February, MUFs are expected to be mostly 
near predicted monthly values, with minor depressions up to 20% 
possible.

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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
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