[Ips-dhfpr] ASWFC Daily HF Prop Report - 29 May 24 issued 2330 UT on 29 May 2024 [SEC=OFFICIAL]

[ASWFC]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 MAY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (29 MAY) 
Date   T index  Conditions    
29 May   100    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.3    0106UT  possible   lower  West Pacific
  M1.4    0645UT  possible   lower  Mid East/Indian
  M1.8    1121UT  possible   lower  European
  M2.5    1255UT  possible   lower  European
  X1.4    1437UT  probable   all    South American/
                                    Atlantic
  M2.7    1828UT  possible   lower  East Pacific/
                                    North American
  M5.7    1841UT  possible   lower  East Pacific/
                                    North American
  

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

PCA Event : No event.

Monthly T index:
Month  T index
Apr      125
May      114
Jun      116


2. FORECAST (30 MAY - 01 JUNE)
Date   T index  Conditions       MUFs                              
30 May   110    Normal           Near predicted monthly values
31 May   110    Normal           Near predicted monthly values    
01 Jun   110    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 58 was issued on 
29 May and is current for 29-31 May. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 29-May were depressed 
15% to near predicted monthly values. Spread F was observed at 
Hobart during the predawn period. MUFs are expected to be near 
predicted monthly values over 30-May to 01-Jun. 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