[Ips-dhfpr] IPS Daily HF Prop Report - 14 March 12 issued 2351 UT on 14 Mar 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 14/2330Z MARCH 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 MARCH) 
Date   T index  Conditions    
14 Mar    76    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.8    1522UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.
      Proton event in progress, increased absorption observed.

PCA Event : 10Mev Proton/PCA Event Began 13 03 2012 1900UT and is in progress

Predicted Monthly T index for March:  81


2. FORECAST (15 MARCH - 17 MARCH)
Date   T index  Conditions       MUFs                              
15 Mar    70    Normal           Near predicted monthly values
16 Mar    60    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
17 Mar    60    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: Weak ionosphere observed in Antarctic region. Otherwise 
propagation conditions mostly near predicted monthly values. 
Expect mostly similar conditions next 24 hours. Degraded ionospheric 
conditions possible days 2 and 3 affecting higher latitudes due 
to anticipated geomagnetic disturbances. The >10MeV proton event 
which began Mar 13 remains in progress but is in decline.

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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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