[Ips-dhfpr] ASWFC Daily HF Prop Report - 28 August 23 issued 2330 UT on 28 Aug 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 AUGUST 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 AUGUST) 
Date   T index  Conditions    
28 Aug   114    Normal         

Flares: none.

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

PCA Event : No event.

Monthly T index:
Month  T index
Jul      103
Aug      88
Sep      84


2. FORECAST (29 AUGUST - 31 AUGUST)
Date   T index  Conditions       MUFs                              
29 Aug   115    Normal           Near predicted monthly values 
                                 to 15% enhanced.
30 Aug   115    Normal           Near predicted monthly values 
                                 to 15% enhanced.    
31 Aug   115    Normal           Near predicted monthly values 
                                 to 15% enhanced.   

COMMENT: ASWFC SWF HF Communications Warning 83 was issued on 
28 August and is current for 29-31 Aug. Maximum usable frequencies 
(MUFs) on UT day 28-Aug in the Australian region were near predicted 
values to 15% enhanced, with occasional mild spread F observed 
during local night hours at Hobart, Canberra and Townsville. 
MUFs are expected to be near predicted values to 15% enhanced 
over 29-31 Aug. Isolated fadeouts possible.

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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