[Ips-dhfpr] IPS Daily HF Prop Report - 05 April 11

rwc rwc at ips.gov.au
Wed Apr 6 09:32:06 EST 2011


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 05/2330Z APRIL 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 APRIL) 
Date   T index  Conditions    
05 Apr    83    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day,
      Enhanced by 35% during local night.
   Niue Island Region:
      Enhanced by 65% during local day,
      Enhanced by 25% during local night.
   Northern Australian Region:
      Enhanced by 20%,
   Southern Australian and New Zealand Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for April:  44
2. FORECAST (06 APRIL - 08 APRIL)
Date   T index  Conditions       MUFs                              
06 Apr    80    Normal           Near predicted monthly values 
                                 to enhanced. 
07 Apr    70    Normal           Near predicted monthly values 
                                 to enhanced.     
08 Apr    70    Normal           Near predicted monthly values 
                                 to enhanced.    
COMMENT: A weak shock was observed in the solar wind around 18UT, 
indicative of a glancing blow from a CME. At this stage this 
is not expected to cause signifcant impact on the ionosphere. 
However high to mid lattiudes may experience some depressed periods 
over the next day if this event proves to be geo-effective. 
----------------------------------------------------------
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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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