[Ips-dhfpr] SWS Daily HF Prop Report - 23 October 19 issued 2337 UT on 23 Oct 2019

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 OCTOBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 OCTOBER) 
Date   T index  Conditions    
23 Oct   -23    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 30% 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
Sep      -5
Oct      -15
Nov      -16


2. FORECAST (24 OCTOBER - 26 OCTOBER)
Date   T index  Conditions       MUFs                              
24 Oct   -30    Normal-fair      Near predicted monthly values/depressed 
                                 20 to 30%
25 Oct   -30    Normal-fair      Near predicted monthly values/depressed 
                                 20 to 30%    
26 Oct   -20    Normal           Near predicted monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) were at near predicted 
monthly values over the AUS/NZ region with depressions of 20 
to 30% for Equatorial and Northern AUS regions. Variable HF conditions 
are expected starting later on 24 October and into 25 October 
ranging from enhancements to moderately depressed MUFs for Southern 
AUS/NZ regions and poor ionospheric support for Antarctic regions 
due to increased geomagnetic activity.

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