[Ips-dhfpr] ASWFC Daily HF Prop Report - 31 August 24 issued 0207 UT on 01 Sep 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/31 AUGUST 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
Reissued due to correction of ionospheric summary/forecast.
1. SUMMARY (31 AUGUST) 
Date   T index  Conditions    
31 Aug   133    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    0049UT  possible   lower  West Pacific
  M1.2    0238UT  possible   lower  E. Asia/Aust.
  M1.2    0859UT  possible   lower  Mid East/Indian
  M1.8    1302UT  possible   lower  European

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

PCA Event : No event.

Monthly T index:
Month  T index
Jul      131
Aug      159
Sep      119


2. FORECAST (01 SEPTEMBER - 03 SEPTEMBER)
Date   T index  Conditions       MUFs                              
01 Sep   145    Normal           Near to 15% above predicted 
                                 monthly values
02 Sep   145    Normal           Near to 15% above predicted 
                                 monthly values    
03 Sep   145    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 96 was issued on 
31 August and is current for 31 Aug to 2 Sep. Maximum usable 
frequencies (MUFs) in the Australian region on UT day 31-Aug 
were generally near predicted monthly values to 15% enhanced. 
Spread F was observed at Hobart and Perth during local night 
hours. Southern Australian region MUFs were 15% depressed during 
local night hours and recovered after local dawn this morning. 
MUFs are expected to be near predicted monthly values to 15% 
enhanced over 01-03 Sep. Shortwave fadeouts are 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