NOAA/National Weather Service's Warning Decision Training BranchUnited States Department of Commerce

IMPORTANT NOTE: The WDTD web site URL has changed. Our new URL is now"". Our previous address ( will work for the time being, but you should update any bookmarks or other links you have to our site to accomodate this change.

Our Mission

The Warning Decision Training Division (WDTD) develops and delivers training on the integrated elements of the warning process involving a National Oceanic and Atmospheric Administration (NOAA)/National Weather Service (NWS) forecast office and its partners. WDTD instructors develop and deliver a variety of in-residence, teletraining, and on-line asynchronous training content to meet this mission. Our primary goal is to increase expertise among NOAA/NWS personnel and their core partners so that they can better serve the public during warning operations.

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Warning Decision Training Division

Office of Chief Learning Officer

Warning Decision Training Division > Chief Learning Officer Training Portal > Warning Decision Training Division

Featured Training Topics

2016-17 WPC Winter Weather Desk Operations

Example slide from the WPC Winter Operations webinar for the 2016-2017 season

The WPC is again improving its winter weather operations to support the rest of the NWS and its external customers for the winter of 2016-2017. Dan Petersen and co-authors discuss how WPC conducts its winter weather operations and what has changed since the previous year. In the course of this 30 minute webinar Dan discusses the operations of the winter weather desk, or WWD, updates to the days 1-3 probabilistic snow and ice forecasts, a new freezing rainfall accumulation algorithm, updates to the days 4-7 winter forecasts, WWD collaboration updates and their forecast evaluation. You will see a tour of WPC's winter forecast website and understand how the new freezing rain accumulation forecasts are generated. Dan also discusses online resources that WPC offers to support the field. A 20 minute Q&A session folllows the webinar.

WDTD Training News

Updated: August 3, 2017 12:52 CT

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