[Ips-dhfpr] SWS Daily HF Prop Report - 17 October 19 issued 2331 UT on 17 Oct 2019

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 OCTOBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 OCTOBER) 
Date   T index  Conditions    
17 Oct   -24    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 30% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values 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
Sep      -5
Oct      -15
Nov      -16


2. FORECAST (18 OCTOBER - 20 OCTOBER)
Date   T index  Conditions       MUFs                              
18 Oct   -20    Normal-fair      Near predicted monthly values
19 Oct   -20    Normal           Near predicted monthly values    
20 Oct   -20    Normal           Near predicted monthly values   

COMMENT: On UT day 17 October, Maximum Usable Frequencies (MUFs) 
ranged mostly from near predicted monthly values to moderately 
depressed ones for all regions. Sporadic-E occurrences were observed 
over some sites. Similar HF conditions are expected for the next 
3 UT days,18-20 October.

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