[Ips-dhfpr] ASWFC Daily HF Prop Report - 18 October 22 issued 2331 UT on 18 Oct 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 OCTOBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 OCTOBER) 
Date   T index  Conditions    
18 Oct    83    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30-50%.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% 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      74
Oct      69
Nov      69


2. FORECAST (19 OCTOBER - 21 OCTOBER)
Date   T index  Conditions       MUFs                              
19 Oct    75    Normal           Near predicted monthly values
20 Oct    75    Normal           Near predicted monthly values    
21 Oct    75    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 18-Oct were 
mostly near predicted monthly values. Strong enhancements were 
observed at Cocos Island. Spread F was observed at Perth and 
Hobart during local night hours. MUFs are expected to be near 
predicted monthly values over 19-21 Oct.

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For an explanation of some of the terms in this report, go to
https://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au