TERMIUM Plus®

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INDICE SOULEVEMENT [1 record]

Record 1 1992-12-31

English

Subject field(s)
  • Atmospheric Physics
DEF

Stability index to determine the occurrence of severe weather ...

CONT

Lifted index ... is defined by LI = T5 - LTs (°C), where T5 is the dry-bulb temperature at 500 hPa and LTs, the temperature of a surface parcel lifted adiabatically to 500 hPa. Stable conditions are indicated by LI > 3, very unstable conditions by LI < -2.

French

Domaine(s)
  • Physique de l'atmosphère
DEF

Indice de stabilité pour déterminer l'occurrence de temps violent [...]

CONT

[L']indice de soulèvement [...] est défini par LI = T5 - LTs (°C), où T5 est la température du thermomètre sec à 500 hPa et LTs, la température d'une particule en surface soulevée adiabatiquement à 500 hPa. Les conditions stables sont indiquées par LI > 3, et les conditions très instables par LI < -2.

Spanish

Campo(s) temático(s)
  • Física de la atmósfera
DEF

Indice de estabilidad para determinar la aparición de mal tiempo [...]

CONT

Indice de elevación [...] se define por: LI = T5 - LTs (C°), en donde T5 es la temperatura de bulbo seco a 500 hPa y LTs es la temperatura de una partícula superficial elevada adiabáticamente a 500 hPa. Las condiciones estables están indicadas por LI > 3 y las muy inestables por LI < -2.

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