[Ips-dhfpr] ASWFC Daily HF Prop Report - 11 June 24 issued 2330 UT on 11 Jun 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 JUNE 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 JUNE) 
Date   T index  Conditions    
11 Jun   133    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Enhanced by 30% during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
May      121
Jun      116
Jul      117


2. FORECAST (12 JUNE - 14 JUNE)
Date   T index  Conditions       MUFs                              
12 Jun   120    Normal           Near predicted monthly values
13 Jun   120    Normal           Near predicted monthly values    
14 Jun   120    Normal           Near predicted monthly values   

COMMENT: ASWFC Preliminary HF Communications Warning 63 was issued 
on 8 June and is current for 10-12 Jun. ASWFC SWF HF Communications 
Warning 64 was issued on 10 June and is current for 11-13 Jun. 
Maximum usable frequencies (MUFs) on UT day 11-Jun were near 
predicted values in the Australian region. Spread F was observed 
at several Australian sites during local night hours. MUFs are 
expected to be near monthly values over 12-14 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