[Ips-dhfpr] IPS Daily HF Prop Report - 20 September 13 issued 2330 UT on 20 Sep 2013

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 SEPTEMBER 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 SEPTEMBER) 
Date   T index  Conditions    
20 Sep    59    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced 10-35% during 03-08 UT.
      Depressed 20-30% during 13-20 UT.
   Niue Island Region:
      Enhanced 10-25% during 00-11 UT.
      Depressed 30% during 14-17 UT.
   Northern Australian Region:
      Enhanced 10-20% during 00-05 UT.
      Depressed 10-30% during 13-20 UT.
   Southern Australian and New Zealand Region:
      Mostly depressed 10-30%.
   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
Aug      73
Sep      75
Oct      73


2. FORECAST (21 SEPTEMBER - 23 SEPTEMBER)
Date   T index  Conditions       MUFs                              
21 Sep    70    Normal           Near predicted monthly values
22 Sep    75    Normal           Near predicted monthly values    
23 Sep    75    Normal           Near predicted monthly values   

COMMENT: Strong day time enhancements occurred at Cocos Island, 
Niue and across the Northern Australian Region. Ionospheric conditions 
were otherwise generally depressed throughout the Australian 
Region for 20 September. The 10.7 cm solar flux is trending upwards 
and propagation conditions are expected to return to near predicted 
monthly values for 21-22 September.

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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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