[Ips-dhfpr] IPS Daily HF Prop Report - 20 March 12 issued 2342 UT on 20 Mar 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z MARCH 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 MARCH) 
Date   T index  Conditions    
20 Mar    54    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 25% during local day.
      Depressed by 15% 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 March:  81


2. FORECAST (21 MARCH - 23 MARCH)
Date   T index  Conditions       MUFs                              
21 Mar    65    Normal           Near predicted monthly values
22 Mar    70    Normal           Near predicted monthly values    
23 Mar    75    Normal           Near predicted monthly values   

COMMENT: HF conditions in the Australian region were mostly Normal 
over the UT day. Some periods of spread-F were again observed 
at S.Aus locations overnight, degrading HF conditions there. 
15-20% MUF depressions were observed at most locations in the 
Australian region overnight, and in S.Aus during the day. Ionospheric 
support is expected to gradually strengthen over the forecast 
period, with MUFs mostly near predicted monthly values. Ongoing 
mild overnight depressions may be expected in S.Aus regions days 
1 and 2 (21-22 Mar).

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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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