Technical Workshop

803 - NOAA Atlas 14: Precipitation Frequency Estimates of the United States

Tuesday, June 5
8:30 AM - 12:00 PM
Location: Lakeshore A

The Hydrometeorological Design Studies Center (HDSC) of the NOAA’s National Water Center (NWC) has been publishing updated precipitation frequency estimates and the supplementary information for the United States (US) and affiliated territories since 2003.The NOAA Atlas 14 estimates are published as Volumes of the NOAA Atlas 14, Precipitation-Frequency Atlas of the United States in the on-line Precipitation Frequency Data Server (PFDS). These estimates are used for a wide variety of design and planning activities such as to estimate the volume of detention basins and size detention-basin outlet structures, estimate the volume of sediment or amount of erosion caused by rainfall-runoff events, delineate and manage development in floodplains for the National Flood Insurance Program, etc.

This technical workshop will cover the methodology and application of the NOAA Atlas 14 estimates in engineering. The first part of the workshop will describe in detail the methodology and procedures needed to develop the estimates for a range of durations and a range of return intervals, as well as go over how to navigate through the PFDS website. The second part of the workshop will go over a simple hands-on engineering design example to allow participants to learn how to obtain and apply the NOAA Atlas 14 estimates. Common mistakes and misconceptions that are often encountered when using NOAA Atlas 14 estimates will also be discussed.

Sandra B. Pavlovic

Associate Scientist
UCAR

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803 - NOAA Atlas 14: Precipitation Frequency Estimates of the United States



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