[Ips-dhfpr] ASWFC Daily HF Prop Report - 12 September 22 issued 2330 UT on 12 Sep 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 SEPTEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 SEPTEMBER) 
Date   T index  Conditions    
12 Sep    85    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 40% during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   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
Aug      53
Sep      68
Oct      69


2. FORECAST (13 SEPTEMBER - 15 SEPTEMBER)
Date   T index  Conditions       MUFs                              
13 Sep    80    Normal           Near predicted monthly values
14 Sep    65    Normal-fair      Near predicted monthly values    
15 Sep    65    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 69 was issued on 
12 September and is current for 12-13 Sep. Maximum usable frequencies 
(MUFs) on UT day 12-Sep were mostly near predicted monthly values. 
Sporadic E was observed at Brisbane, Townsville and the Cocos 
Islands during local night. Spread-F was observed at Hobart and 
Niue Island during local night. Regional MUFs are expected to 
be near predicted values over 13-15 Sep, with mild enhancements 
possible on 13-Sep during local day.

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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