Consolidated Ice CoverIn hydrologic terms, ice cover formed by the packing and freezing together of floes, brash ice and other forms of floating ice.Forecast valid forThe period of time the forecast is in effect
beginning at a given day, date and time, and ending at a given day, date
and time.Lid(Also called cap.) A region of negative buoyancy below an existing level of free convection (LFC) where energy must be supplied to the parcel to maintain its ascent.
This tends to inhibit the development of convection until some physical mechanism can lift a parcel to its LFC. The intensity of the cap is measured by its convective inhibition. The term capping inversion is sometimes used, but an inversion is not necessary for the conditions producing convective inhibition to exist.LidA layer of warm air several thousand feet above the earth's surface which suppresses or delays the development of thunderstorms.Mud SlideFast moving soil, rocks and water that flow down mountain slopes and canyons during a heavy downpour of rain.Valid TimeThe period of time during which a forecast or warning, until it is updated or superseded by a new forecast issuance, is in effect. Valid Time Event Code(VTEC) - The Valid Time Event Code (VTEC) always is used in conjunction with, and provides supplementary information to, the Universal Geographic Code (UGC), to further aid in the automated delivery of National Weather Service text products to users. The VTEC is included in many event driven or non-routine products and in some routine Marine forecasts. The VTEC provides information on the event, while the UGC describes the affected geographic area.
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