Design storm definition

Design storm means a hypothetical discrete rainstorm characterized by a specific duration, temporal distribution, rainfall intensity, return frequency, and total depth of rainfall.
Design storm means a hypothetical discrete rainstorm characterized by a specific duration, temporal distribution, rain- fall intensity, return frequency and total depth of rainfall.
Design storm means a prescribed hyetograph and total precipitation amount (for a specific duration recurrence frequency) used to estimate runoff for a hypothetical storm for the purposes of analyzing existing drainage, designing new drainage facilities or assessing other impacts of a proposed project on the flow of surface water. (A hyetograph is a graph of percentages of total precipitation for a series of time steps representing the total time during which the precipitation occurs.)

Examples of Design storm in a sentence

  • Design storm drainage system and components based on storm frequency from local codes and methodologies.

  • Design storm – see “storm frequency.” Detention – the slowing, dampening or attenuating of runoff flows entering the natural drainage pattern or storm drainage system by temporarily holding water on a surface area in a detention basin or within the drainage system.

  • Design storm duration is the critical duration of rainfall requiring the greatest detention volume.

  • This equation is applied to the decrease in aggregate texture and aggregate angularity.

  • Design storm surges need to be based on the historic data of 38 cyclone situations including 19 actual events but assuming the cyclones hit at high tide level.


More Definitions of Design storm

Design storm means a hypothetical discrete rainstorm characterized by a specific duration, temporal distribution, rainfall intensity, return frequency and total depth of rainfall. The TR- 55, Type II, 24-hour design storms for the City of Green Bay are: 1-year, 2.2-inches; 2-year, 2.5-inches; 5-year, 3.3-inches; 10-year, 3.8-inches; 25-year, 4.4-inches; and 100-year, 5.3- inches.
Design storm means a hypothetical depth of rainfall that would occur for the stated return frequency (i.e. once every 2 years or 10 years), duration (i.e. 24-hours) and timing of distribution (i.e. type II). All values are based on the historical rainfall records for the area. Design storms used in this ordinance are summarized in Sec. 6.
Design storm means a rainfall (or other precipitation) event or pattern of events for use in analyzing and designing drainage facilities, specifying both the return period in years and the duration in hours.
Design storm means the meteorological precipitation event selected for a particular dam used to compute runoff and inflows to the impoundment of the dam. The minimum design storm for Connecticut dams is the 100 year storm event (one percent chance of being equaled or exceeded in any given year).
Design storm means a rainfall event used in the analysis and design of drainage facilities.
Design storm means hypothetical depth of rainfall that would occur for the stated return frequency (i.e. once every 2 years or 10 years), duration (i.e. 24-hours) and timing of distribution (i.e. type II). All values are based on the historical rainfall records for the area.
Design storm means predicted precipitation of given intensity, frequency, and duration based upon National Weather Service data that is required to be considered in the design of a dam.