[Ips-dhfpr] SWS Daily HF Prop Report - 15 February 17 issued 2333 UT on 15 Feb 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 FEBRUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 FEBRUARY) 
Date   T index  Conditions    
15 Feb     8    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
      Depressed by 30% 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 during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      0
Feb      18
Mar      16


2. FORECAST (16 FEBRUARY - 18 FEBRUARY)
Date   T index  Conditions       MUFs                              
16 Feb    15    Normal           Near predicted monthly values
17 Feb     0    Normal-fair      Near predicted monthly values    
18 Feb    -5    Normal           Depressed 15%/near predicted 
                                 monthly values   

COMMENT: MUFs were mostly near monthly predicted levels with 
sporadic minor depressions scattered across the Australian regions 
during UT day 15 February. The outlook for today (16 February) 
is for a slightly improved MUF conditions as the approaching 
coronal hole effects are expected to further enhance ionisation 
levels on the first day of storming. This is usually followed 
by storm-associated depressions on the subsequent days, possibly 
beginning from 17 February.

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