NOAA/National Weather Service's Warning Decision Training BranchUnited States Department of Commerce
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FY24 WOC Flash Flood Available Soon

The FY24 version of the WOC Flash Flood Track will be released soon. For NWS employees who are interested, you can use the registration form link below as well. Note: You should coordinate with your local training facilitators (e.g., SOOs) before enrolling in the course.

Training Events Planning Calendar
Residence/Virtual Courses
Web-Based Training Release Dates

Warning Decision Training Division

Office of Chief Learning Officer


How to Register?

The FY24 version of the WOC Flash Flood Track, when released, will be available through the end of the fiscal year. If you are a NWS employee who wants to sign up, please use this registration form. Note: You should coordinate with your local training facilitators (e.g., SOOs) before enrolling in the course.

Course Description

The Warning Operations Course (WOC) Flash Flood Track is a course that consists of approximately 17 hours of training material (5 hours of which are optional) on topics that are relevant to flash flood warning decision-making. The Flash Flood Track consists of 40 on-line lessons (8 of which are optional). Topics covered by the online lessons include conceptual models of flash flood events, how to use a variety of flash flood tools, and best practices related to flash flood warning decision making.

The course is designed to allow every NWS Forecaster (Meteorologist and Hydrologist) to participate independently and at their own pace throughout the fiscal year. Assistance from an on-site facilitator (SOO, DOH, or locally appointed training officer) is recommended, especially during the WES simulations.

The WOC Flash Flood Track is designed to improve the performance of NOAA’s NWS offices in issuing Flash Flood Warnings. For more information on the WOC Flash Flood Track implementation, please e-mail e-mail address for the WOC Flash Flood Help List.

Course Outline

Click on the panels below to access the content for each topic of the course. For most lessons, there will be two ways to access the training materials:

  • Web Version - Lesson streams from the WDTD web server & doesn't require login; or
  • LMS Version - Links to NWS Learning Center (aka: LMS) so NWS employees can get completion credit, but login is required to access.

The lesson content is the same for each link. NWS employees enrolled in the WOC Flash Flood Track should use the LMS Version to ensure they receive completion credit.


Part 1: Conceptual Models of Flash Flood Events

Brief Description: These lessons will discuss various conceptual models related to flash flood events. The conceptual models are discussed in subtopics that focus on general mechanisms that can trigger flash floods, severe-driven mechanisms, and those that are specific to the Western U.S.

Delivery Methods: Web modules

Approximate Completion Time: 2-6 hours


Part 2: Flash Flood Forecasting Tools

Brief Description:These lessons discuss various flash flood tools that may be useful to forecasters. The lessons are organized based on whether they relate to WPC tools and services, are useful for forecasting flash flooding, or are applicable during warning operations. A fourth subtopic dives into tools that are for more advanced users and/or hydro focal points.

Delivery Methods: Web modules

Approximate Completion Time: 3-4 hours


Part 3: Flash Flood Warning Operations

Brief Description: These lessons discuss some basic best practices for performing flash flood operations. Topics include how to best identify the flash flood threat in real-time, best practices for issuing Flash Flood Warnings, other flash flood-related products available to forecasters, and post-event damage surveying.

Delivery Methods: Web modules

Approximate Completion Time: 6-7 hours


Additional Documentation

Below are other resources related to NWS flash flood products, services, and training:

WPC Webinar Collaborations

Below is a list of webinars that WDTD has facilitated with the Weather Prediction Center (WPC):

  • 2023 WPC Rainfall Program Overview and Updates (2023, recorded webinar): Web Version | LMS Version
  • WPC QPF Program (2016, recorded webinar): Web Version
  • WPC MetWatch Desk (2016, recorded webinar): Web Version
  • WPC Extreme Precipitation Forecasting Table (2016, recorded webinar): Web Version

List of Collaborators

Below are collaborators who assisted WDTD in developing the scope of the course, creating lessons in the course, and/or providing valuable insight into relevant topics:

  • Steve Martinaitis (CIWRO/NSSL)
  • Russ Schumacher (CSU)
  • Dan Bikos (CIRA)
  • Brad Workman (former CIWRO/WDTD)
  • Marc Chenard & Alex Lamers (WPC)
  • And thank you to countless reviewers and SMEs - both within NOAA and the NWS, as well as in the academic community!