Global Campus
The WMO Global Campus E-Library
The WMO Global Campus initiative is proud to offer this WMOLearn Library of resources. This library provides a searchable collection of educational resources, including WMO publications and education and training materials from various contributing organisations and individuals. Search by WMO competency framework, Main Topics, Region and Country, and/or Nature of Information to find materials useful for training or self-directed learning.
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WMO Global Campus resources provided on this Site are provided “as is”, without warranty of any kind, either express or implied, including, without limitation, warranties of merchantability, fitness for a particular purpose and non-infringement. The WMO specifically does not make any warranties or representations as to the accuracy or completeness of any such resources.
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Introduction to Ensemble Prediction
This webcast is a shorter companion to the Ensemble Prediction Explained module, focusing more directly on immediate operational needs. Introductory content includes the role of ensemble forecasts, presentation of basic ensemble forecasting terms, and discussion of how ensemble prediction systems (EPSs) are created. The largest section is focused on common ensemble forecast products, including how they differ from traditional NWP products, how we interpret ensemble forecast products, the advantages and limitations of each product, how EPS products are verified, and how to use ensemble products ...
Tropical-Extratropical Air Mass Interactions in South America
Case studies of tropical-extratropical air mass interactions over South America are presented in this module. Synoptic features associated with cold air intrusion into tropical latitudes and the incursion of humid, tropical air masses into midlatitudes are identified. Conceptual models illustrate the synoptic environments and the role of the Andes in the meridional movement of air masses. Forecast challenges are presented for different periods of each case. Finally, the weather impacts associated with these contrasting air-mass incursions are explored.
Quantitative Precipitation Forecasting Overview
In this module, Wes Junker, retired Senior Branch Forecaster at NCEP/HPC provides an introduction to Quantitative Precipitation Forecasting. This presentation assumes a familiarity with basic meteorological processes.
Climate Change and Regional Impacts
This short module is an overview of the different effects climate change produces in different regions of the United States. In addition to discussing impacts already being experienced, the module presents information on how climate scientists use specialized models and statistical techniques to estimate how regional climates are likely to change in the future.
Imaging with VIIRS: A Convergence of Technologies and Experience, 2nd Edition
This module introduces the VIIRS imager that was launched on the Suomi NPP (National Polar-orbiting Partnership) satellite in October 2011 and will fly on future U.S. JPSS weather satellites. The VIIRS imager has many advanced features that improve both spectral and spatial resolution. Together with modernized data communication and processing systems, VIIRS will provide consistent, high quality, and high resolution data to users. The module covers the enhanced capabilities of VIIRS by examining the systems that contributed to its development. Special attention is paid to the Day/Night Visible ...
Supporting Military Emergency Response During Hazardous Releases
This module is primarily intended for AFWA and other military forecasters. It explains the basics of how hazardous materials are dispersed in the atmosphere and how emergency responders and others model the transport and impact of the materials. The goal is to acquaint forecasters with the inputs needed for modeling and to encourage them to be proactive in providing their site-specific knowledge to improve dispersion predictions.
Communicating Impacts and Mitigation for Wind Chill and Extreme Cold
Extremely cold air comes every winter to at least part of the United States and affects millions of people. Arctic air and brisk winds can lead to dangerously cold wind chill values, resulting in frostbite and hypothermia. About 63% of weather-related deaths in the U.S. result from exposure to excessive cold and/or hypothermia. Extreme cold can also lead to significant damage to buildings and infrastructure, resulting in $500-million in average annual insured losses. This lesson describes the potential impacts of cold wind chill values and extremely cold temperatures, and explores ways forecas ...
EUMeTrain's Manual of Synoptic Satellite Meteorology
The Manual of Synoptic Satellite Meteorology, or SatManu, provides detailed descriptions of approximately fifty atmospheric conceptual models at different scales from a satellite point of view. Each conceptual model has associated exercises and many have case studies that show how the models can be applied. Most of the case studies were developed for specific training courses in Europe. SatManu also has case studies of catastrophic weather events which are presented from the perspective of the conceptual models. In addition, an introductory chapter describes the different satellite channels. T ...
Snowmelt Processes
This module helps the student develop an understanding of the contribution of snowmelt in the hydrologic forecasting process. The module first explains the influences of wind, sun, terrain, and vegetation on snow water distribution and then discusses the evolution of snowpack characteristics. From there, the student will learn about energy exchanges between the snow and the atmosphere and how that affects how quickly and how completely snow will melt. Finally, an explanation is presented of water flow through snow and the fate of that water when it reaches the ground surface. The lesson will b ...
Tropical Severe Local Storms
The module provides a brief overview of severe local storms in the tropics. Basic ingredients for thunderstorms and assessment of thunderstorm potential from soundings are described. Then properties and hazards of ordinary thunderstorms, multicellular thunderstorms, supercells are reviewed. Conditions conducive to supercell formation in the tropics are examined along with methods of identifying them in radar and satellite images. Supercell and non-supercell tornado properties and formation are described. Finally, tornadoes, waterspouts, and dust devils properties are compared.
GOES-R Series Faculty Virtual Course: Multispectral RGB Composites
In this webinar recording Dr. Emily Berndt and Dr. Michael Folmer discuss the capabilities of the GOES-R/16 Red-Green-Blue (RGB) composites. Multispectral or RGB composites are qualitative, false color images designed to enhance specific features in the atmosphere that are important to forecasters, aviators, mariners, and emergency response officials. RGB composites have been enthusiastically integrated into forecast operations because of their ability to highlight the presence and evolution of important forecast phenomena. This presentation details the development of RGB composites and provid ...
Geodetic Control in Land Surveying: Active vs. Passive
Aimed at surveyors and GIS professionals, this video explains the difference between active and passive control methods in surveying, and the strengths and weaknesses of each. Passive control is the traditional method of referencing positions to physical benchmarks that have known locations. Active control references positions to one or more Continuously Operating Reference Stations (CORS). These stations use continuous contact with global navigation satellite systems (GNSS/GPS) to provide a highly accurate and updated position.
Bias Correction of NWP Model Data
The lesson "Bias Correction of NWP Model Data" first describes what affects bias in NWP models: regime continuity, timing of features that affect sensible weather, and existence (or not) of those features in the models. After discussing examples of each of these, three bias correction methods are presented: Model Output Statistics (MOS), decaying average, and a SmartInit tool developed at the Boise ID WFO called BOIVerify. Situations where each perform well and each perform poorly are discussed. Finally, after a comprehensive review question and feedback, a summary and series of points to reme ...
Polar Satellite Products for the Operational Forecaster (POES) Module 1: POES Introduction
This Web-based module is a component of the Integrated Sensor Training (IST) Professional Development Series (PDS) Professional Competency Unit #6-Satellite Data and Products. Dr. Stan Kidder of the Cooperative Institute for Research in the Atmosphere (CIRA) at Colorado State University is the principal science advisor for this module with significant assistance from Dr. Gary Hufford (NWS Alaska Region). The module provides an overview of current polar satellite products and their applications in forecasting situations and also contains a summary of instruments currently in use and a short his ...
Lectures on Radar Applications in Mesoscale Meteorology
This website provides access to the streaming presentations and PowerPoint source files for the 11 lectures delivered during the AMS Educational Forum “A Primer on Radar Analysis Techniques Used in Mesoscale Meteorology” held on 23 October 2005 in Albuquerque, NM. The presentations discuss how many advanced techniques for the analysis of meteorological radar data can be used to improve understanding of the structure, dynamics, and evolution of mesoscale circulations. The Forum was organized into four sections: 1) Microphysical Characterization of Precipitation Systems Using Dual-Polarization R ...
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