[Ips-dhfpr] SWS Daily HF Prop Report - 18 October 20 issued 2331 UT on 18 Oct 2020

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 OCTOBER 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 OCTOBER) 
Date   T index  Conditions    
18 Oct    -7    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% 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      -2
Oct      -13
Nov      -14


2. FORECAST (19 OCTOBER - 21 OCTOBER)
Date   T index  Conditions       MUFs                              
19 Oct     0    Normal           Near predicted monthly values
20 Oct     0    Normal           Near predicted monthly values    
21 Oct    -5    Fair-normal      Near predicted monthly values   

COMMENT: MUFs in the Australian and Antarctic regions were mostly 
near predicted monthly values to enhanced on UT day 18 October. 
Sporadic E observed at Cocos Is. 12-17 UT, Darwin 00-09, 20-21, 
23 UT and Brisbane 06-18 UT. MUFs in the Australian region are 
expected to be mostly near predicted monthly values to mildly 
enhanced 19-21 October.

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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
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