[Ips-dhfpr] ASWFC Daily HF Prop Report - 06 April 23 issued 2331 UT on 06 Apr 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 APRIL 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 APRIL) 
Date   T index  Conditions    
06 Apr   124    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M3.0    0554UT  possible   lower  E. Asia/Aust.

MUFs:
   Cocos Island Region:
      Enhanced by 15-35%.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25-30%.
   Northern Australian Region:
      Enhanced by 20-25%.
   Southern Australian Region:
      Enhanced by 20% 
   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 (07 APRIL - 09 APRIL)
Date   T index  Conditions       MUFs                              
07 Apr   125    Normal           Near to 15% above predicted 
                                 monthly values
08 Apr   125    Normal           Near to 15% above predicted 
                                 monthly values    
09 Apr   125    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 34 was issued on 
6 April and is current for 6-8 Apr. Maximum usable frequencies 
(MUFs) on UT day 06-Apr in the Australian region were enhanced 
by 15-35%. Spread F was observed at Hobart during local night 
hours. MUFs are expected to be near predicted monthly values 
to 15% enhanced over 07-09 Apr. Isolated fadeouts 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