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Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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Presentation by Ben C. Bernstein, Leading Edge Atmospherics, at Winterwind 2012. Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Popular Tags:
lw model t
t oc icing rate
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21
Photo by J. Hirvonen
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Page 1: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

Photo  by  J.  Hirvonen  

Page 2: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Page 3: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

Model  T,  RH,  V  

Satellite  cloud  

characteristics  VIS,  IR  (sw,  lw)  

 

Surface  Obs.  sky  cover,  ceiling,  precip  

Page 4: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

T (oC)

Icing Rate

Page 5: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Page 6: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Page 7: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Page 8: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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Page 9: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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Page 10: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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Page 11: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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Page 12: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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Page 13: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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2000 Partial shed

- Load still

rises for a while.

1930

0930

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X X X X

Page 14: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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X X X X

Page 15: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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Brief Initial Ice, Formed at warm T,

Icing mostly inactive

No power ~12 hr

Sudden recovery

T decreasing WSPD decreasing

Night time

What changed? RH fell, stayed low

Adequate? Shouldn’t be.

What happened?

X X

Page 16: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Page 17: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Page 18: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Page 19: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Page 20: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Page 21: Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season

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