[Ips-dhfpr] SWS Daily HF Prop Report - 19 February 17 issued 2330 UT on 19 Feb 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 FEBRUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 FEBRUARY) 
Date   T index  Conditions    
19 Feb    18    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Mostly near predicted monthly values.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   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      0
Feb      18
Mar      16


2. FORECAST (20 FEBRUARY - 22 FEBRUARY)
Date   T index  Conditions       MUFs                              
20 Feb    15    Normal           Near predicted monthly values
21 Feb    15    Normal           Near predicted monthly values    
22 Feb    15    Normal           Near predicted monthly values   

COMMENT: MUFs were mostly near monthly predicted levels with 
sporadic minor depressions scattered across the Australian regions 
during UT day 19 February. Over the next two days (20-21 February), 
similar MUF levels are expected as the ionosphere gradually recovers 
from disturbed geomagnetic conditions associated with the coronal 
hole.

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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
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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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