[Ips-dhfpr] IPS Daily HF Prop Report - 18 March 13 issued 2330 UT on 18 Mar 2013

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 MARCH 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 MARCH) 
Date   T index  Conditions    
18 Mar    20    Poor-fair      

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 45% during local day.
      Depressed by 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Predicted Monthly T index for March:  69


2. FORECAST (19 MARCH - 21 MARCH)
Date   T index  Conditions       MUFs                              
19 Mar    50    Normal           About 10% below predicted monthly 
                                 values
20 Mar    60    Normal           Near predicted monthly values    
21 Mar    70    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 5 was issued on 17 March 
and is current for 18-19 Mar. HF propagation conditions were 
strongly depressed at most latitudes throughout 18th March but 
have been trending to near normal conditions at most stations 
throughout the night and early morning. Depressed conditions 
and short wave fadeouts are still possible on the 19th March. 
Near normal MUF values are expected on 20th and 21st March.

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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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