[Ips-dhfpr] IPS Daily HF Prop Report - 19 June 15 issued 2356 UT on 19 Jun 2015

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 JUNE 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 JUNE) 
Date   T index  Conditions    
19 Jun    66    Normal-fair    

Flares: none.

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

PCA Event : 10MeV Proton/PCA Event Began at 1105UT 18/06, Ended at 0155UT 19/06

Monthly T index:
Month  T index
May      83
Jun      86
Jul      84


2. FORECAST (20 JUNE - 22 JUNE)
Date   T index  Conditions       MUFs                              
20 Jun    70    Normal-fair      Near predicted monthly values
21 Jun    60    Fair             Depressed 15%/near predicted 
                                 monthly values    
22 Jun    60    Fair             Depressed 15%/near predicted 
                                 monthly values   

COMMENT: Mostly normal conditions are expected for 20 June with 
depressions during local night hours. Spread-F conditions were 
observed at some stations possibly resulting in intermittent 
degraded COMMS. Degraded COMMS are possible during 21-22 June 
with the anticipated increase in geomagnetic activity.

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

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