[Ips-dhfpr] SWS Daily HF Prop Report - 08 February 21 issued 2330 UT on 08 Feb 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 FEBRUARY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 FEBRUARY) 
Date   T index  Conditions    
08 Feb    -4    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 20% 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:
      Depressed by 15% during local day.
      Depressed 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      2
Feb      12
Mar      15


2. FORECAST (09 FEBRUARY - 11 FEBRUARY)
Date   T index  Conditions       MUFs                              
09 Feb     0    Normal           Near predicted monthly values
10 Feb     5    Normal           Near predicted monthly values    
11 Feb     5    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 5 was issued on 7 February 
and is current for 7-9 Feb. MUFs in the Australian region were 
mostly near predicted monthly values with some minor to mild 
depressions during UT day 08 February. Sporadic E layers were 
observed, strong at times. For the next three UT days, 09-11 
February, MUFs are expected to be near predicted monthly values 
with some possible mild depressions, in response to the predicted 
decrease in geomagnetic activity and very low levels of solar 
ionising flux.

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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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