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

Winterwind
WinterwindWinterwind
Photo	
  by	
  J.	
  Hirvonen	
  
Examination of real-time laps – Lowice runs over Scandinavia from the 2011-2012 icing season
Satellite	
  
        cloud	
  
characteristics	
  
VIS,	
  IR	
  (sw,	
  lw)	
      Model	
  
            	
                  T,	
  RH,	
  V	
  




           Surface	
  Obs.	
  
  sky	
  cover,	
  ceiling,	
  precip	
  
T (oC)




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

  • 1. Photo  by  J.  Hirvonen  
  • 3. Satellite   cloud   characteristics   VIS,  IR  (sw,  lw)   Model     T,  RH,  V   Surface  Obs.   sky  cover,  ceiling,  precip  
  • 4. T (oC) Icing Rate
  • 8. :;<2)=$""2)*#4>,-)?)1@)AB$"/'"2)C1D"%) #$ "#$ (#$ )#$ '#$ *#$ &#$ +#$ %#$ ,#$ "##$ ""#$ (#""""((#"$ "(#$ (#""""(("#$ (#""""()#"$ (#""""()#%$ (#""""()"*$ (#""""('##$ (#""""('#&$ (#""""('"($ (#""""('()$ (#""""(*#,$ (#""""(*"+$ (#""""(&##$ (#""""(&#&$ E&'"4!;#") (#""""(&")$ (#""""(&",$ (#""""(+#'$ (#""""(+",$ (#""""(%#*$ (#""""(%""$ (#""""(,##$ (#""""(,"($ (#""""(,",$ (#"""")##'$ (#"""")#("$ #$ ($ '$ &$ %$ !%$ !&$ !'$ !($ "#$ "($ "'$ !"#$ !"#$"%&'(%")*+,-)./"01&2)*34567#-)89,) 8><!?$ 8><!73@A$ 789:;.!?$ 8><!9<2=$ ?>!"!9<2=$ 789:;.!73@A$ -./0123456,$ -./0123456+$ -./0123456*$ -./0123456)$ -./0123456"$ 789:;.!9<2=$
  • 9. :;<2)=$""2)*#4>,-)?)1@)AB$"/'"2)C1D"%) #$ "#$ (#$ )#$ '#$ *#$ &#$ +#$ %#$ ,#$ "##$ ""#$ (#""""((#"$ "(#$ (#""""(("#$ (#""""()#"$ (#""""()#%$ (#""""()"*$ (#""""('##$ (#""""('#&$ (#""""('"($ (#""""('()$ (#""""(*#,$ (#""""(*"+$ (#""""(&##$ (#""""(&#&$ E&'"4!;#") (#""""(&")$ (#""""(&",$ (#""""(+#'$ (#""""(+",$ (#""""(%#*$ (#""""(%""$ (#""""(,##$ (#""""(,"($ (#""""(,",$ (#"""")##'$ (#"""")#("$ #$ ($ '$ &$ %$ !%$ !&$ !'$ !($ "#$ "($ "'$ !"#$ !"#$"%&'(%")*+,-)./"01&2)*34567#-)89,) 8><!?$ 8><!73@A$ 789:;.!?$ 8><!9<2=$ ?>!"!9<2=$ 789:;.!73@A$ -./0123456,$ -./0123456+$ -./0123456*$ -./0123456)$ -./0123456"$ 789:;.!9<2=$
  • 10. :;<2)=$""2)*#4>,-)?)1@)AB$"/'"2)C1D"%) #$ "#$ (#$ )#$ '#$ *#$ &#$ +#$ %#$ ,#$ "##$ ""#$ (#""""((#"$ "(#$ (#""""(("#$ (#""""()#"$ (#""""()#%$ (#""""()"*$ (#""""('##$ (#""""('#&$ (#""""('"($ (#""""('()$ (#""""(*#,$ (#""""(*"+$ (#""""(&##$ (#""""(&#&$ E&'"4!;#") (#""""(&")$ (#""""(&",$ (#""""(+#'$ (#""""(+",$ (#""""(%#*$ (#""""(%""$ (#""""(,##$ (#""""(,"($ (#""""(,",$ (#"""")##'$ (#"""")#("$ #$ ($ '$ &$ %$ !%$ !&$ !'$ !($ "#$ "($ "'$ !"#$ !"#$"%&'(%")*+,-)./"01&2)*34567#-)89,) 8><!?$ 8><!73@A$ 789:;.!?$ 8><!9<2=$ ?>!"!9<2=$ 789:;.!73@A$ -./0123456,$ -./0123456+$ -./0123456*$ -./0123456)$ -./0123456"$ 789:;.!9<2=$
  • 11. :;<2)=$""2)*#4>,-)?)1@)AB$"/'"2)C1D"%) #$ "#$ (#$ )#$ '#$ *#$ &#$ +#$ %#$ ,#$ "##$ ""#$ (#""""((#"$ "(#$ (#""""(("#$ (#""""()#"$ (#""""()#%$ (#""""()"*$ (#""""('##$ (#""""('#&$ (#""""('"($ (#""""('()$ (#""""(*#,$ (#""""(*"+$ (#""""(&##$ (#""""(&#&$ E&'"4!;#") (#""""(&")$ (#""""(&",$ (#""""(+#'$ (#""""(+",$ (#""""(%#*$ (#""""(%""$ (#""""(,##$ (#""""(,"($ (#""""(,",$ (#"""")##'$ (#"""")#("$ #$ ($ '$ &$ %$ !%$ !&$ !'$ !($ "#$ "($ "'$ !"#$ !"#$"%&'(%")*+,-)./"01&2)*34567#-)89,) 8><!?$ 8><!73@A$ 789:;.!?$ 8><!9<2=$ ?>!"!9<2=$ 789:;.!73@A$ -./0123456,$ -./0123456+$ -./0123456*$ -./0123456)$ -./0123456"$ 789:;.!9<2=$
  • 12. :;<2)=$""2)*#4>,-)?)1@)AB$"/'"2)C1D"%) #$ "#$ (#$ )#$ '#$ *#$ &#$ +#$ %#$ ,#$ "##$ ""#$ (#""""((#"$ "(#$ (#""""(("#$ (#""""()#"$ (#""""()#%$ (#""""()"*$ (#""""('##$ (#""""('#&$ (#""""('"($ (#""""('()$ (#""""(*#,$ (#""""(*"+$ (#""""(&##$ (#""""(&#&$ E&'"4!;#") (#""""(&")$ (#""""(&",$ (#""""(+#'$ (#""""(+",$ (#""""(%#*$ (#""""(%""$ (#""""(,##$ (#""""(,"($ (#""""(,",$ (#"""")##'$ (#"""")#("$ #$ ($ '$ &$ %$ !%$ !&$ !'$ !($ "#$ "($ "'$ !"#$ !"#$"%&'(%")*+,-)./"01&2)*34567#-)89,) 8><!?$ 8><!73@A$ 789:;.!?$ 8><!9<2=$ ?>!"!9<2=$ 789:;.!73@A$ -./0123456,$ -./0123456+$ -./0123456*$ -./0123456)$ -./0123456"$ 789:;.!9<2=$
  • 13. :;<2)=$""2)*#4>,-)?)1@)AB$"/'"2)C1D"%) #$ "#$ (#$ )#$ '#$ *#$ &#$ +#$ %#$ ,#$ "##$ ""#$ (#""""((#"$ "(#$ (#""""(("#$ X (#""""()#"$ (#""""()#%$ X (#""""()"*$ X X (#""""('##$ (#""""('#&$ (#""""('"($ (#""""('()$ (#""""(*#,$ (#""""(*"+$ (#""""(&##$ (#""""(&#&$ 1230 E&'"4!;#") (#""""(&")$ (#""""(&",$ (#""""(+#'$ 0930 (#""""(+",$ (#""""(%#*$ (#""""(%""$ (#""""(,##$ 1930 (#""""(,"($ (#""""(,",$ - still (#"""")##'$ for a rises shed Load 2000 while. Partial (#"""")#("$ #$ ($ '$ &$ %$ !%$ !&$ !'$ !($ "#$ "($ "'$ !"#$ !"#$"%&'(%")*+,-)./"01&2)*34567#-)89,) 8><!?$ 8><!73@A$ 789:;.!?$ 8><!9<2=$ ?>!"!9<2=$ 789:;.!73@A$ -./0123456,$ -./0123456+$ -./0123456*$ -./0123456)$ -./0123456"$ 789:;.!9<2=$
  • 14. :;<2)=$""2)*#4>,-)?)1@)AB$"/'"2)C1D"%) #$ "#$ (#$ )#$ '#$ *#$ &#$ +#$ %#$ ,#$ "##$ ""#$ (#""""((#"$ "(#$ (#""""(("#$ (#""""()#"$ (#""""()#%$ (#""""()"*$ (#""""('##$ (#""""('#&$ (#""""('"($ (#""""('()$ (#""""(*#,$ XX X X (#""""(*"+$ (#""""(&##$ (#""""(&#&$ E&'"4!;#") (#""""(&")$ (#""""(&",$ (#""""(+#'$ (#""""(+",$ (#""""(%#*$ (#""""(%""$ (#""""(,##$ (#""""(,"($ (#""""(,",$ (#"""")##'$ (#"""")#("$ #$ ($ '$ &$ %$ !%$ !&$ !'$ !($ "#$ "($ "'$ !"#$ !"#$"%&'(%")*+,-)./"01&2)*34567#-)89,) 8><!?$ 8><!73@A$ 789:;.!?$ 8><!9<2=$ ?>!"!9<2=$ 789:;.!73@A$ -./0123456,$ -./0123456+$ -./0123456*$ -./0123456)$ -./0123456"$ 789:;.!9<2=$
  • 15. "(#$ "'$ Brief Initial Ice, ""#$ "($ Formed at warm T, "##$ Icing mostly inactive "#$ :;<2)=$""2)*#4>,-)?)1@)AB$"/'"2)C1D"%) ,#$ No power ~12 hr %$ !"#$"%&'(%")*+,-)./"01&2)*34567#-)89,) %#$ &$ -./0123456"$ Sudden recovery -./0123456)$ +#$ '$ -./0123456*$ T decreasing -./0123456+$ &#$ ($ WSPD decreasing -./0123456,$ *#$ Night time #$ 789:;.!9<2=$ 8><!9<2=$ '#$ What changed? !($ ?>!"!9<2=$ RH fell, stayed low 8><!73@A$ )#$ !'$ Adequate? 789:;.!73@A$ (#$ Shouldn t be. !&$ 789:;.!?$ 8><!?$ "#$ What happened? !%$ #$ XX !"#$ (#""""((#"$ (#""""(("#$ (#""""()#"$ (#""""()#%$ (#""""()"*$ (#""""('##$ (#""""('#&$ (#""""('"($ (#""""('()$ (#""""(*#,$ (#""""(*"+$ (#""""(&##$ (#""""(&#&$ (#""""(&")$ (#""""(&",$ (#""""(+#'$ (#""""(+",$ (#""""(%#*$ (#""""(%""$ (#""""(,##$ (#""""(,"($ (#""""(,",$ (#"""")##'$ (#"""")#("$ E&'"4!;#")