[Ips-dhfpr] IPS Daily HF Prop Report - 21 May 13 issued 2333 UT on 21 May 2013

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 MAY 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 MAY) 
Date   T index  Conditions    
21 May    86    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 65% during local day.
      Enhanced by 50% during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for May:  69


2. FORECAST (22 MAY - 24 MAY)
Date   T index  Conditions       MUFs                              
22 May    80    Normal           Near predicted monthly values
23 May    80    Normal           Near predicted monthly values    
24 May    80    Normal           Near predicted monthly values   

COMMENT: IPS SWF HF Communications Warning 13 was issued on 21 
May and is current for 21-22 May. Mostly normal conditions were 
observed during 21 May. Mostly normal conditions are expected 
for the next few days with the chance of SWFs. Degraded HF conditions 
previously forecast for 20-21 May did not eventuate as anticipated 
CME effects were muted.

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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.

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