[Ips-dhfpr] ASWFC Daily HF Prop Report - 04 November 22 issued 2330 UT on 04 Nov 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 NOVEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 NOVEMBER) 
Date   T index  Conditions    
04 Nov    68    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 40% during local day.
      Depressed by 25% during local night and after local dawn.
   Niue Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Enhanced by 35-45% over the UT day.
   Southern Australian Region:
      Mostly 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
Oct      83
Nov      70
Dec      70


2. FORECAST (05 NOVEMBER - 07 NOVEMBER)
Date   T index  Conditions       MUFs                              
05 Nov    60    Normal-fair      Near predicted monthly values
06 Nov    70    Normal           Near predicted monthly values    
07 Nov    70    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 04-Nov were 
mostly near predicted monthly values. MUFs were enhanced by 35-45% 
in Northern Australia. Spread F was observed at Hobart during 
local night hours. Sporadic E was observed at Brisbane, Cocos 
Island and Norfolk Island. MUFs are expected to be near predicted 
monthly values over 05-07 Nov with mild depressions possible 
on 05-Nov due to ongoing 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