[Ips-dhfpr] ASWFC Daily HF Prop Report - 27 August 24 issued 2330 UT on 27 Aug 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 AUGUST 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 AUGUST) 
Date   T index  Conditions    
27 Aug   153    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    0943UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 45% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 45% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Enhanced by 15-25%.
   Antarctic Region (Casey/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

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


2. FORECAST (28 AUGUST - 30 AUGUST)
Date   T index  Conditions       MUFs                              
28 Aug   145    Normal           Near to 15% above predicted 
                                 monthly values
29 Aug   145    Normal           Near to 15% above predicted 
                                 monthly values    
30 Aug   145    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 95 was issued on 
26 August and is current for 26-28 Aug. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 27-Aug were near predicted 
monthly values to 25% enhanced. Strong enhancements were observed 
at Cocos Island and Niue during local night hours. Spread F was 
observed during local night hours at Hobart and Perth. Ionospheric 
scintillation was observed 27/0738-0840UT at Niue. MUFs are expected 
to be near predicted monthly values to 15% enhanced over 28-30 
Aug. 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