[Ips-dhfpr] SWS Daily HF Prop Report - 21 February 17 issued 2330 UT on 21 Feb 2017 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at sws.bom.gov.au
Wed Feb 22 10:30:26 EST 2017


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 FEBRUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 FEBRUARY) 
Date   T index  Conditions    
21 Feb    13    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% 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      0
Feb      18
Mar      16


2. FORECAST (22 FEBRUARY - 24 FEBRUARY)
Date   T index  Conditions       MUFs                              
22 Feb    15    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 20%
23 Feb    10    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%    
24 Feb    10    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: MUFs were mostly near predicted monthly values across 
the Australian regions during UT day 21 February with some periods 
of minor to mild depressions in the southern and northern regions. 
Minor to moderate MUF depressions and degradations in HF conditions 
may be expected in this region from 22 to 24 February due to 
expected rises in geomagnetic activity levels on these days.

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