[Ips-dhfpr] ASWFC Daily HF Prop Report - 02 May 23 issued 2330 UT on 02 May 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 MAY 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (02 MAY) 
Date   T index  Conditions    
02 May    97    Normal         

Flares: none.

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

PCA Event : No event.

Monthly T index:
Month  T index
Apr      120
May      84
Jun      85


2. FORECAST (03 MAY - 05 MAY)
Date   T index  Conditions       MUFs                              
03 May   100    Normal-fair      Near to 15% above predicted 
                                 monthly values
04 May   100    Normal           Near to 15% above predicted 
                                 monthly values    
05 May   100    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 41 was issued on 
1 May and is current for 1-3 May. Maximum usable frequencies 
(MUFs) on UT day 02-May in the Australian region were near predicted 
monthly values to 15% enhanced in northern Australian regions. 
Spread F was observed at Hobart and Perth during local night 
hours. MUFs are expected to be near predicted monthly values 
to 15% enhanced over 03-05 May. 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