[Ips-dhfpr] ASWFC Daily HF Prop Report - 01 September 22 issued 2330 UT on 01 Sep 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 SEPTEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 SEPTEMBER) 
Date   T index  Conditions    
01 Sep    50    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Aug      53
Sep      68
Oct      69


2. FORECAST (02 SEPTEMBER - 04 SEPTEMBER)
Date   T index  Conditions       MUFs                              
02 Sep    50    Normal           Near predicted monthly values
03 Sep    50    Normal-fair      Near predicted monthly values    
04 Sep    50    Normal-fair      Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 66 was issued on 
1 September and is current for 1-2 Sep. Maximum usable frequencies 
(MUFs) on UT day 01-Sep were near predicted monthly values during 
local day and up to 30% depressed during local night across the 
Australian region. Spread-F was observed in the Southern Australian 
region during local night. Regional MUFs are expected to be mostly 
near predicted monthly values to 20% depressed over 02-04 Sep, 
with the depressed conditions most likely during local night.

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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