[Ips-dhfpr] ASWFC Daily HF Prop Report - 01 April 23 issued 2330 UT on 01 Apr 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 APRIL 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 APRIL) 
Date   T index  Conditions    
01 Apr   137    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 25-75%.
   Niue Island Region:
      Enhanced by 30-45%.
   Northern Australian Region:
      Enhanced by 25-30%.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.
      Absorption observed at times at Mawson.

PCA Event : No event.

Monthly T index:
Month  T index
Mar      132
Apr      84
May      84


2. FORECAST (02 APRIL - 04 APRIL)
Date   T index  Conditions       MUFs                              
02 Apr   115    Normal           Near to 15% above predicted 
                                 monthly values
03 Apr   115    Normal           Near to 15% above predicted 
                                 monthly values    
04 Apr   115    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 01-Apr in 
the Australian region were enhanced by 15-75%. Spread F was observed 
at Hobart during local night hours. Strongly enhanced conditions 
were observed at Cocos Island. MUFs are expected to be near predicted 
monthly values to 15% enhanced.

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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