[Ips-dhfpr] SWS Daily HF Prop Report - 21 October 19 issued 2356 UT on 21 Oct 2019

rwc rwc at ips.gov.au
Tue Oct 22 10:56:57 EST 2019


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 OCTOBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 OCTOBER) 
Date   T index  Conditions    
21 Oct   -23    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 35% 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 (22 OCTOBER - 24 OCTOBER)
Date   T index  Conditions       MUFs                              
22 Oct   -20    Normal           Near predicted monthly values
23 Oct   -20    Normal-fair      Near predicted monthly values    
24 Oct   -25    Normal-fair      Near predicted monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) were at near predicted 
monthly values over the AUS/NZ region with only slight depressions 
of 20% for Equatorial and Northern AUS regions. Similar conditions 
are expected for the next 2 days. Variable HF conditions expected 
for 24Oct ranging from enhancements to notably depressed MUFs 
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
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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