[Ips-dhfpr] ASWFC Daily HF Prop Report - 30 October 22 issued 2331 UT on 30 Oct 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 OCTOBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 OCTOBER) 
Date   T index  Conditions    
30 Oct    60    Fair           

Flares: none.

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


2. FORECAST (31 OCTOBER - 02 NOVEMBER)
Date   T index  Conditions       MUFs                              
31 Oct    65    Normal-fair      Near predicted monthly values
01 Nov    70    Normal           Near predicted monthly values    
02 Nov    65    Normal-fair      Near predicted monthly values   

COMMENT: ASWFC HF Communications Warning 83 was issued on 30 
October and is current for 30-31 Oct. Maximum usable frequencies 
(MUFs) on UT day 30-Oct were 15-20% depressed. MUFs are expected 
to be near predicted monthly values over 31-Oct to 02-Nov. Mild 
degradations are possible due to coronal hole high speed wind 
stream effects.

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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