[Ips-dhfpr] SWS Daily HF Prop Report - 16 February 19 issued 2330 UT on 16 Feb 2019 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Sun Feb 17 10:30:23 EST 2019


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 FEBRUARY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 FEBRUARY) 
Date   T index  Conditions    
16 Feb   -13    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Depressed by 35% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 35% during local day.
      Enhanced by 40% during local night.
   Southern Australian Region:
      Mostly 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      -27
Feb      -12
Mar      -13


2. FORECAST (17 FEBRUARY - 19 FEBRUARY)
Date   T index  Conditions       MUFs                              
17 Feb   -15    Normal           Near predicted monthly values
18 Feb   -15    Normal           Near predicted monthly values    
19 Feb   -10    Normal           Near predicted monthly values   

COMMENT: On UT day 16 February, MUFs were moderately depressed 
to mostly near monthly predicted levels over the Australasia 
region. During the next three UT days, 17-19 February, mild to 
moderate depressions are likely due to continued very low levels 
of ionising radiation from the Sun.

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