[Ips-dhfpr] ASWFC Daily HF Prop Report - 13 June 23 issued 2330 UT on 13 Jun 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 JUNE 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 JUNE) 
Date   T index  Conditions    
13 Jun    94    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 45% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   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 (14 JUNE - 16 JUNE)
Date   T index  Conditions       MUFs                              
14 Jun    90    Normal           Near predicted monthly values
15 Jun    90    Normal           Near predicted monthly values    
16 Jun    90    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 13-Jun were 
mostly near predicted monthly values in the Australian region, 
with enhancements up to 20% observed in the southern sites. Spread-F 
was observed at Darwin and Hobart. Sporadic-E was observed at 
Learmonth and general degraded HF conditions were observed at 
Townsville. MUFs are expected to be mostly near predicted values 
over 14-16 Jun. Mildly degraded conditions may be experienced 
during local night hours.

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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