[Ips-dhfpr] IPS Daily HF Prop Report - 12 February 09

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z FEBRUARY 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 FEBRUARY) 
Date   T index  Conditions    
12 Feb   -10    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values 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 February:   6
2. FORECAST (13 FEBRUARY - 15 FEBRUARY)
Date   T index  Conditions       MUFs                              
13 Feb    -5    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values 
14 Feb    -5    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values     
15 Feb   -15    Normal-fair      depressed 10 to 30%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 4 was issued on 12 February 
and is current for interval 12-14 February. Depressed conditions 
observed during local night for Northern AUS regions.Equatorial 
regions had mostly normal condtions with occasional disturbed 
periods. Notable sporadic E observed again for low to mid latitudes 
over the last 24 hours. Southern AUS/NZ regions had mostly normal 
conditions but with depressed MUFs during local night. Antarctic 
regions had mostly normal ionospheric support. MUF depressions 
ranging from 10% to 20% are expected to continue for low to mid 
latitudes and normal conditions for high latitudes over the next 
2 days. Possible increase in geomagnetic activity on 15Feb resulting 
in disturbed conditions for Antarctic regions. 
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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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