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.
Please note that resources contributed by Members will reside on other websites and may allow limited access or require login. For copyright information, see the WMO Global Campus Copyright Practice Standards and the contributor’s website. Quality standards are described in the Recommended Quality Guidelines for Global Campus E-Library Submissions.
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.
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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Foundations of Global Navigation Satellite Systems (GNSS)
This lesson provides a technical introduction to Global Navigation Satellite Systems (GNSS), covering theory, procedures, and accuracy issues. Aimed at professionals in a “geospatial science” field, including engineers, surveyors, meteorologists, geographers and GIS professionals, it will also be useful for emergency managers, and technically-inclined members of the general public with appropriate math and/or science background. For those who may currently see GPS/GNSS as a “black box”, this 1.5 hour lesson provides an understanding of the underlying principles and concepts to support correctl ...
SatFC-G: Basic Principles of Radiation
This lesson is an abbreviated review of the scientific basis for using visible and infrared satellite imagery. The concepts and capabilities presented are common to most geostationary (GEO) and low-Earth orbiting (LEO) meteorological satellites. Basic remote sensing and radiative theory are reviewed using conceptual models to help organize scientific concepts. Some imagery is also included to illustrate concepts and relate them to sensor observations. This lesson is a part of the NWS Satellite Foundation GOES-R Course. More in-depth information on radiation and radiative transfer can be found ...
Tropical Cyclone Intensity Analysis
This lesson provides guidance for operational forecasters needing to combine different intensity methods to determine the intensity of a tropical cyclone. Each of the intensity methods is summarized, focusing on both strengths and weaknesses. These methods include the Dvorak technique, surface observations, scatterometry, the Advanced Dvorak Technique (ADT), microwave sounders (AMSU), SATCON, and subjective interpretation of passive microwave patterns. Consideration of the previous intensity estimate and forecast is also examined. Three case studies task the learner with combining the various ...
Climate Change: Fitting the Pieces Together
This module discusses climate change, particularly as it is currently being affected by increasing concentrations of greenhouse gases emitted by human activities. It also covers signs of climate change, how scientists study climate, the current thinking on future changes, and what can be done to minimize the effects. Updated in 2012.
Using Scatterometer Wind and Altimeter Wave Estimates in Marine Forecasting
Scatterometers and altimeters provide a variety of space-based observations that are useful for marine analysis and forecasting as well as other applications. Key among the products are ocean surface winds from scatterometers and significant wave heights from altimeters. This lesson describes the basics of scatterometers and altimeters, including how they work, what they measure, and how scatterometer winds and altimeter significant wave heights are derived. It then discusses some of the challenges in using the estimates, such as dealing with ambiguities and rain contamination. The lesson also ...
Slantwise Convection: An Operational Approach
This Webcast is a recreation of a presentation on slantwise convection given by Kent Johnson in February, 2002 in Boulder, Colorado. It focuses on assessing the release of conditional symmetric instability as slantwise convection. It provides an overview of the characteristics and theory of CSI, assessment of CSI and slantwise induced precipitation in complex terrain, and operational challenges to assessing CSI.
Mesoscale Ocean Circulation Models
This module examines mesoscale ocean circulation models and features and processes that they predict. These models simulate temperature, salinity, currents, and elevation in 3 dimensions through a period of time. They have sufficient resolution to simulate features like fronts, eddies, upwelling, and internal tides. In this module, we examine current operational models, limitations to model forecasts, examples of predicted ocean features, and potential applications.
Satellite Feature Identification: Blocking Patterns
Satellite Feature Identification: Blocking Patterns examines how water vapor imagery can be used to help diagnose blocking patterns and their dissipation. Four major blocking patterns are covered in this module: Blocking highs, Cut-off lows, Rex blocks and Omega blocks. This module is part of the series: "Dynamic Feature Identification: The Satellite Palette".
Real-time Storm Surge Products
This lesson will describe the real-time storm surge products that are issued by the National Hurricane Center (NHC) and National Weather Service Weather Forecast Offices (NWS WFOs) during a significant tropical cyclone event along the Atlantic and Gulf coasts of the United States. Tropical cyclones that threaten a coastline have the potential to inflict devastating damage to communities. Real-time storm surge information will assist decision-makers in their plans and preparation work for these events. Basic familiarity with probabilistic forecast guidance is required. It is recommended that us ...
Tropical Fog: A Look at Fog That Impacts Aviation in Guyana
This module applies concepts covered in the module, Fog: Its Processes and Impacts to Aviation. It examines the fog processes at a tropical location: Guyana. A basic overview of the main fog types is provided, and then a detailed analysis is done for a representative fog event at the Cheddi Jagan International Airport in Guyana. Conclusions are made about fog processes in Guyana which can then be applied to forecasting for aviation impacts.
WMO Observing Systems Capability Analysis and Review Tool (OSCAR)/Space
OSCAR/Space, the “satellite” component of the WMO OSCAR resource, contains updated quality-controlled information on past, present and future satellite missions, instruments and related characteristics, covering a period from 1960 up to 2050, which adds up to 500+ satellites and 800+ instruments dedicated to Earth Observation and Space Weather. In addition, OSCAR/Space provides expert assessments of the applicability of the various instruments for particular measurements. This resource can be used as a reference for studies, as a gap analysis tool, as support for planning, and for educational ...
Rip Currents: Nearshore Fundamentals
This module provides insight into how nearshore circulation and wave dynamics are involved in rip current formation. Topics covered in this module include: nearshore terminology, circulation and waves, rip current characteristics, and rip current forcing mechanisms. This module is the second of three modules covering the forecasting of rip currents.
Stability, Smoke Management, and Fire Weather Forecasting
The “Stability, Smoke Management, and Fire Weather Forecasting” module examines the effects of atmospheric stability on fire behavior and the transport of smoke, as well as fire and smoke management operations. Topics covered include the impacts of the formation, persistence, and dissipation of inversions and how best to relate forecast information on these phases to customers. Calculation and application of the Haines Index is applied through the highly interactive Haines Game. In addition, the influence of stability on the transport and dispersion of fire related smoke is covered in the cont ...
Nighttime Radiation and Cooling of the Lower Atmosphere
It is our common experience to observe that the lowest levels of the atmosphere cool down more slowly on humid nights than on dry nights. When the sky is cloudy we observe the atmosphere to cool even more slowly. Can longwave radiation fluxes alone explain these observations? This learning object uses a simple interactive model to demonstrate the role of radiation in nighttime cooling. As a learning object, it is meant to supplement other teaching material in a course by elucidating a specific concept. By adjusting the emissivity and temperature of earth and atmospheric layers, the student can ...
Dynamically Forced Fog
Fog frequently forms in response to dynamically forced changes in the boundary layer. This module examines dynamically forced fog in the coastal and marine environment, focusing on advection fog, steam fog, and west coast type fog. The focus of the module is on the boundary layer evolution of air parcels as they traverse trajectories over land and water. The module also examines mesoscale effects that impact the distribution of fog and low-level stratus over short distances. A general discussion of forecast products and methodologies concludes the module.
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