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7 Cards in this Set
- Front
- Back
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ALTOCUMULUS |
• convection, orographic liftting depending on humidity • associated with not much weather. Slight rain, snow or virga often evaporating before reaching ground • possible light rime ice |
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ALTOSTRATUS |
• Widespread ascent due to frontal lifting or convergence • when thick it can prod intermittent or continuous rain or snow. Also virga • Def risk of ice, mod rime ice and clear ice possible in lower lvls of cloud |
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NIMBOSTRATUS |
• Wide spread ascent/convergence, monsoonal trough. Also common in slow moving fronts with stable atmos • Mod to heavy cont rain or snw • Def ice risk. Mod rime ice, clear ice probable in lwr lvls esp when turb present |
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STRATOCUMULUS |
• Formed by turbulence within surface layers or cumulus spreading out beneath inversion • little weather, light rain or drz • Occ rime ice if above frz lvl |
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STRATUS |
• Orographic/frontal uplift of stable air. Lifting of fog layers after sunrise • Drz if any weather at all • Usually no risk of ice |
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CUMULUS |
• Convection or any other lifting or cond unstable layers in atmos • Nil weather in small clouds otherwise shwrs of rain or snw, sometimes virga if base is high • Little risk of ice. Frz lvl usually above this cloud |
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CUMULONIMBUS |
• Develops from normal cumulus due to any lifting mechanism when considerable depth of atmos is cond unstable • Heavy shws rain, hail or snw. Lightning, squalls, tornadoes, waterspouts. Severe to xtrm turb • Def ice risk, dangerous clear ice likely |
