[Ips-dhfpr] SWS Daily HF Prop Report - 29 October 19 issued 2331 UT on 29 Oct 2019

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 OCTOBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (29 OCTOBER) 
Date   T index  Conditions    
29 Oct   -30    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Depressed by 15% 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 (30 OCTOBER - 01 NOVEMBER)
Date   T index  Conditions       MUFs                              
30 Oct   -30    Normal           Near predicted monthly values
31 Oct   -20    Normal           Near predicted monthly values    
01 Nov   -20    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region were moderately depressed to near predicted monthly values 
during UT day 29 October. The depressions are thought to be due 
to very low level of solar ionising flux and recent disturbed 
geomagnetic conditions. Sporadic-E and Spread-F occurrences were 
observed over some sites. For the next 3 UT days, 30 October 
- 01 November, MUFs are expected to be between moderately depressed 
to near predicted monthly values. Lower HF frequencies will be 
less impacted.

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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
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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