Altostratus cloud size again. During the sampling of one cloud, the scientists noted a halo while flying near the top of the cloud, which indicated that the ice crystals were hexagonal near the top. However, farther down, the ice crystals became more conglomerated. Altostratus tends to form ahead of a warm or occluded front, the altostratus gradually thickening into rain bearing nimbostratus. However it can also occur together with cumulus congestus or cumulonimbus at a cold front. "Velum" This is considered a type of cumulonimbus cloud so it is not listed. Altostratus cloud Altostratus is a middle altitude cloud genus belonging to
The Cloud of Unknowing short word rather than a long one. A one-syllable word such as "God" or "love" is best. But choose one that is meaningful to you. Then fix it in your mind so that it will remain there come what may. This word will be your defence in conflict and in peace. Use it to beat upon the cloud of darkness above you and to subdue all distractions, consigning them to the "cloud of forgetting" beneath you. Editions of related texts include The Cloud of Unknowing The Cloud of Unknowing (Middle English: "The Cloude of Unknowyng") is an anonymous work of