1.0 Introduction

View the video for a quick introduction to the National Water Model (NWM).

Video introduction of the National Water Model, as of March 2018. Contains a National Water Model streamflow animation for the 2016-2016 water year.

The remainder of this lesson will be text-based.

This lesson will explore short- and medium-range guidance, using the historic flood event associated with the remnants of Hurricane Harvey in August 2017.

Unofficial NWM product: Short Range High Flow Probability Using time lagged ensemble through 27 Aug 2017 0600 UTC model run, valid 27 Aug 2017 1200 UTC

You will see both official NWM products as of summer 2017 as well as prototype products that are still being refined and evaluated. That will be followed with an overview of the NWM and its goals.