[Ips-dhfpr] IPS Daily HF Prop Report - 19 February 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z FEBRUARY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 FEBRUARY) 
Date   T index  Conditions    
19 Feb    21    Normal-fair    

Flares: none.

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

PCA Event : No event.

Predicted Monthly T index for February:  38
2. FORECAST (20 FEBRUARY - 22 FEBRUARY)
Date   T index  Conditions       MUFs                              
20 Feb    30    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values 
21 Feb    35    Normal           near predicted monthly values     
22 Feb    35    Normal           Near predicted monthly values    
COMMENT: Depressed MUFs for Southern AUS/NZ and Antarctic regions 
during local day over the last 24 hours with variable ionospheric 
support for Northern AUS/Equatorial regions. Mostly normal HF 
conditions expected for the next 3 days for Northern AUS/Equatorial 
regions. Possible MUF depressions of ~20% for Southern AUS/NZ 
and Antarctic regions for 20Feb and near predicted monthly values 
for 21Feb-22Feb. 
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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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