[Ips-dhfpr] ASWFC Daily HF Prop Report - 06 September 22 issued 2331 UT on 06 Sep 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 SEPTEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 SEPTEMBER) 
Date   T index  Conditions    
06 Sep    59    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 40% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   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 (07 SEPTEMBER - 09 SEPTEMBER)
Date   T index  Conditions       MUFs                              
07 Sep    60    Normal           Near predicted monthly values
08 Sep    60    Normal           Near predicted monthly values    
09 Sep    60    Normal           Near predicted monthly values   

COMMENT: ASWFC HF Communications Warning 68 was issued on 5 September 
and is current for 5-7 Sep. Maximum usable frequencies (MUFs) 
on UT day 06-Sep were near predicted monthly values for the Australian 
region. Spread-F was observed at Hobart during local night. Sporadic 
E was observed at Darwin and Hobart during local night. Regional 
MUFs are expected to be near predicted monthly values over 07-09 
Sep, with mild depressions possible on 07-08 Sep 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