[Ips-dhfpr] SWS Daily HF Prop Report - 04 February 20 issued 2331 UT on 04 Feb 2020

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 FEBRUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 FEBRUARY) 
Date   T index  Conditions    
04 Feb    -6    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   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      -20
Feb      -16
Mar      -16


2. FORECAST (05 FEBRUARY - 07 FEBRUARY)
Date   T index  Conditions       MUFs                              
05 Feb    -5    Normal           Near predicted monthly values
06 Feb    -5    Normal           Near predicted monthly values    
07 Feb    -5    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) for UT day 04 February 
were mainly near predicted monthly values for Equatorial and 
Australian regions. Periods of enhancements in MUFs were observed 
in the Equatorial and Northern Australian regions. Minor MUF 
depressions were observed in the Niue Island region during the 
local day. Sporadic-E occurrences were observed at most sites. 
Similar levels of ionospheric support are expected for the next 
three days.

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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
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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