[Ips-dhfpr] IPS Daily HF Prop Report - 20 June 16 issued 2330 UT on 20 Jun 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 JUNE 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 JUNE) 
Date   T index  Conditions    
20 Jun    29    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
May      32
Jun      44
Jul      43


2. FORECAST (21 JUNE - 23 JUNE)
Date   T index  Conditions       MUFs                              
21 Jun    30    Normal           Near predicted monthly values/depressed 
                                 5 to 15%
22 Jun    30    Normal           Near predicted monthly values/depressed 
                                 5 to 15%    
23 Jun    30    Normal           Near predicted monthly values/depressed 
                                 5 to 15%   

COMMENT: Mild depressions were observed in northern Australian 
and equatorial regions during the UT day 20 June. MUFs were near 
predicted monthly values for southern Australia. The Antarctic 
region had periods of little to no ionospheric support for HF 
communications, but also periods of slightly enhanced support. 
Similar conditions are expected for 21-23 June. Noted periods 
sporadic E at Cocos Island and Hobart stations.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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