[Ips-dhfpr] IPS Daily HF Prop Report - 17 March 13 issued 2330 UT on 17 Mar 2013

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 MARCH 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 MARCH) 
Date   T index  Conditions    
17 Mar    79    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Enhanced by 15% during local day.
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressed by 40% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for March:  69


2. FORECAST (18 MARCH - 20 MARCH)
Date   T index  Conditions       MUFs                              
18 Mar     0    Fair             30 to 40% below predicted monthly 
                                 values
19 Mar    40    Normal           Depressed 15%/near predicted 
                                 monthly values    
20 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. Significant MUF depressions of 
up to 40% are being observed in mainland and southern Australian 
regions. These conditions are expected for the remainder of the 
UT day 18th March. Milder depressions of around 20% at most are 
expected for the 19th March, returning to predicted monthly values 
on the 20th.

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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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