Nimbostratus cloud to a surface observer. Nimbostratus usually has a thickness of about 2000 to 4000 m. Though found worldwide, nimbostratus occurs more commonly in the middle latitudes. It is coded C2 on the SYNOP report. Nimbostratus occurs along a warm front or occluded front where the slowly rising warm air mass creates nimbostratus along with shallower stratus clouds producing less rain, these clouds being preceded by higher-level clouds such as cirrostratus and altostratus. Often, when an altostratus cloud thickens and descends into lower altitudes, it will become nimbostratus. Nimbostratus, unlike cumulonimbus, is not associated with thunderstorms, however at an unusually unstable
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