[Ips-dhfpr] ASWFC Daily HF Prop Report - 04 September 24 issued 2330 UT on 04 Sep 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 SEPTEMBER 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 SEPTEMBER) 
Date   T index  Conditions    
04 Sep   173    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.4    0255UT  possible   lower  E. Asia/Aust.
  M1.2    0456UT  possible   lower  E. Asia/Aust.
  M1.0    0601UT  possible   lower  Mid East/Indian
  M1.0    1321UT  possible   lower  European
  M1.2    2001UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 55% during local night.
   Niue Island Region:
      Enhanced by 50% during local day.
      Enhanced by 65% during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 55% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 35% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Aug      159
Sep      117
Oct      116


2. FORECAST (05 SEPTEMBER - 07 SEPTEMBER)
Date   T index  Conditions       MUFs                              
05 Sep   170    Normal           Near to 15-30% above predicted 
                                 monthly values
06 Sep   170    Normal           Near to 15-30% above predicted 
                                 monthly values    
07 Sep   170    Normal           Near to 15-30% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 97 was issued on 
3 September and is current for 4-6 Sep. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 04-Sep were near predicted 
monthly values to 65% enhanced, with stronger enhancements generally 
observed during local night. MUFs are expected to be 15-30% enhanced 
over 05-07 Sep. Shortwave fadeouts are probable.

----------------------------------------------------------
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