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

[Regional Warning Centre]

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

1. SUMMARY (02 JUNE) 
Date   T index  Conditions    
02 Jun    94    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.5    0241UT  possible   lower  E. Asia/Aust.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   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
May      98
Jun      88
Jul      87


2. FORECAST (03 JUNE - 05 JUNE)
Date   T index  Conditions       MUFs                              
03 Jun    95    Normal-fair      Near predicted monthly values
04 Jun    95    Normal-fair      Near predicted monthly values    
05 Jun    95    Normal-fair      Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 53 was issued on 
1 June and is current for 1-3 Jun. Maximum usable frequencies 
(MUFs) on UT day 02-Jun were near predicted values in the Australian 
region. Spread-F was observed at many low latitude sites during 
local night hours; Norfolk Island, Townsville and Brisbane being 
affected. MUFs are expected to be near predicted values over 
03-05 Jun. 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