[Ips-dhfpr] ASWFC Daily HF Prop Report - 05 April 23 issued 2331 UT on 05 Apr 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 APRIL 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 APRIL) 
Date   T index  Conditions    
05 Apr   130    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 45-60% 
   Niue Island Region:
      Enhanced by 20-30% 
   Northern Australian Region:
      Enhanced by 25-40% 
   Southern Australian Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   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
Mar      132
Apr      84
May      84


2. FORECAST (06 APRIL - 08 APRIL)
Date   T index  Conditions       MUFs                              
06 Apr   125    Normal           Near to 15% above predicted 
                                 monthly values
07 Apr   125    Normal           Near to 15% above predicted 
                                 monthly values    
08 Apr   125    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 05-Apr in 
the Australian region were enhanced by 15-60%. Spread F was observed 
at Hobart and Perth during local night hours. Spread F was observed 
at Darwin 05/1545-1650UT. MUFs are expected to be near predicted 
monthly values to 15% enhanced over 06-08 Apr. Ionospheric scintillation 
was observed at Darwin 05/1506-1530UT.

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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