[Ips-dhfpr] ASWFC Daily HF Prop Report - 08 May 24 issued 2331 UT on 08 May 2024 [SEC=OFFICIAL]

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SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 MAY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 MAY) 
Date   T index  Conditions    
08 May   116    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  X1.0    0141UT  probable   all    West Pacific
  X1.0    0509UT  probable   all    Mid East/Indian
  M7.9    1753UT  probable   lower  South American/
                                    Atlantic
  X1.0    2141UT  probable   all    East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      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 (09 MAY - 11 MAY)
Date   T index  Conditions       MUFs                              
09 May   110    Normal           Near predicted monthly values
10 May   110    Fair-poor        Near predicted monthly values    
11 May   110    Normal-fair      Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 48 was issued on 
6 May and is current for 7-9 May. Maximum usable frequencies 
(MUFs) on UT day 08-May were near predicted monthly values. Spread-F 
was observed at Hobart during local night hours. MUFs are expected 
to be near predicted monthly values over 09-11 May. Frequent 
shortwave fadeouts are expected.

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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