[Ips-dhfpr] ASWFC Daily HF Prop Report - 31 October 22 issued 2331 UT on 31 Oct 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/31 OCTOBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (31 OCTOBER) 
Date   T index  Conditions    
31 Oct    64    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Depressed by 15% 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 (01 NOVEMBER - 03 NOVEMBER)
Date   T index  Conditions       MUFs                              
01 Nov    65    Normal           Near predicted monthly values
02 Nov    65    Normal           Near predicted monthly values    
03 Nov    65    Normal-fair      Depressed 0 to 15%/near predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 31-Oct were 
near monthly predicted values to slightly enhanced in the Northern 
Australian region. MUFs were slightly depressed during local 
day in the Southern Australian region. Spread F was observed 
at Hobart during local day. MUFs are expected to be near predicted 
monthly values over 1-3 Nov. Mild depressions are possible on 
3-Nov 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