| Term | Definition | Source | 
  
   | Adaptation | An action or strategy to prepare for and adjust to new conditions. | (Bierbaum et al., 2014) | 
  
   | Case study | Descriptive research that spotlights the experience(s) of a single person, group, or event. | (Calhoun, 2002) | 
  
   | Climate | The slowly varying aspects of the atmosphere-hydrosphere-land surface system, typically characterized in terms of averages, frequencies, and extremes. | (Glickman and Zenk, 2000) | 
  
   | Climate action plan | A plan to address climate change impacts at a local or agency level. | (Stone et al., 2012) | 
  
   | Climate data | The many types of data – instrumental, historical (diaries or crop records, for instance), proxy (tree growth rings) – that constitute the major sources of information for climate studies. | (Glickman and Zenk, 2000) | 
  
   | Comprehensive plan | A guidance document that integrates the wide range of decisions that a community must make about future growth and development. | (Kelley, 2012) | 
  
   | Consensus building | Practice in which stakeholders come together to address a policy issue of common concern, seeking consensus rather than majority rule. Also called collaborative problem solving. | (Innes and Booher, 1999) | 
  
   | Core capability | Set of critical elements necessary to meet the National Preparedness Goal by addressing the greatest risks to the nation. | (FEMA, 2018) | 
  
   | Decision-support tool | Information tool used to connect climate science with policy implementation. | (Feldman and Ingram, 2009) | 
  
   | Drought | A deficit of expected water availability that results in water shortages for some activity or group. | (National Drought Mitigation Center, 2019) | 
  
   | Drought impacts | The complex effects of a drought hazard on physical and social systems. | (National Drought Mitigation Center, 2019) | 
  
   | Drought plan | Actions taken by individual citizens, industry, government, and others before drought occurs in an effort to reduce or mitigate the impacts and conflicts that can arise from drought. | (Schwab, 2013) | 
  
   | Drought Impact Reporter | An interactive web-based tool designed to compile and display drought impact information across the United States in near real-time from a variety of sources such as media, government agencies, and the public. | (National Drought Mitigation Center, 2018) | 
  
   | Drought Risk Atlas | An interactive web-based tool that provides historic drought and climate data for stations across the United States. | (National Drought Mitigation Center, 2019c) | 
  
   | Emergency managers | Individuals who create the framework within which communities reduce vulnerability to hazards and cope with disasters. | (FEMA, 2018) | 
  
   | Evaluation | A systematic determination of how a program is operating, whether it is working as intended, or if it has achieved its objectives and to identify areas for improvement. | (Martin, 2015) | 
  
   | Exercise development/planning team | Group of individuals that manages and is responsible for exercise design, development, conduct, and evaluation. | (Department of Homeland Security, 2013) | 
  
   | Facilitation | A process where an individual assists a group in solving problems and making decisions, without directly contribution to the process or discussion. | (WebFinance Inc., 2019) | 
  
   | Focus group | A group of people brought together for an in-depth discussion of a problem or issue of concern. | (Calhoun, 2002) | 
  
   | Functional exercise | An activity designed to validate and evaluate capabilities and functions during a disaster or emergency. This type of simulated exercise is conducted in the most realistic manner possible. | (Department of Homeland Security, 2013) | 
  
   | Game | An activity that often involves two or more teams competing to explore consequences and achieve goals related to planning or managing a disaster. | (Department of Homeland Security, 2013) | 
  
   | Geographic information system (GIS) | A computer system that analyzes, manages, and displays spatial or geographic data. | (Mitchell and Minami, 1999) | 
  
   | Hazard | Potentially damaging physical event, social and economic disruption, or environmental degradation. | (FEMA, 2018) | 
  
   | Historical record | The collection of past climate data. | (van Kooten, 2013) | 
  
   | Instrumental record | Weather data observed by instrumentation, such as temperature data, that are measured by a thermometer. | (van Kooten, 2013) | 
  
   | Institutional memory | The collective knowledge and learned experiences of a group. | (IGI Global, 2019) | 
  
   | Jurisdiction | An area with unified decision-making authority. | (WebFinance Inc., 2019) | 
  
   | Land use management plan | A plan to manage the development of land | (Kelley, 2012) | 
  
   | Mitigate/mitigation | Actions taken by individual citizens, industry, government, and others to lessen a disaster’s impact before it occurs. | (FEMA, 2018) | 
  
   | Model/modeling | A tool for simulating or predicting the behavior or a system such as the atmosphere or hydrologic cycle. | (Glickman and Zenk, 2000) | 
  
   | Multi-hazard mitigation plan | A plan to reduce loss of life and property by lessening the impact of different types of disasters. | (FEMA, 2019) | 
  
   | Objective | A specific result that a person or program aims to achieve within a given timeframe and with available resources. | (WebFinance Inc., 2019) | 
  
   | Preparedness | The state of being ready to monitor and respond to a hazard, including the early warning signs. | (FEMA, 2018) | 
  
   | Qualitative methods | Collection of feedback in a more open-ended format. These methods can be done through open-ended questions, focus groups, interviews, and general observations. | (CDC, 2012) | 
  
   | Quantitative methods | Used in evaluation processes where a defined set of data is collected and analyzed. These methods can be done through telephone, paper, or online surveys. The data can be statistically analyzed as well. | (CDC, 2012) | 
  
   | Resilient | The ability of a system to be disrupted, absorb shocks, adapt and recover after a disaster. | (Adger, 2006) | 
  
   | Risk management | In the context of disaster management, an approach that emphasizes actions and activities that take place before an event, such as mitigation, preparedness, and prediction and early warning activities. | (Wilhite et al., 2000) | 
  
   | River basin | The total area drained by a river and its tributaries. | (Glickman and Zenk, 2000) | 
  
   | Scenario | An outline or model of the simulated events used in a disaster preparedness exercise. | (Department of Homeland Security, 2013) | 
  
   | Scenario-based exercise | Structured, interactive activities designed for engaging decision-makers, stakeholders, planners, and emergency managers in the process of planning and managing mitigation and response activities for a disaster. | (Department of Homeland Security, 2013) | 
  
   | Scope | An indicator of the extent of an emergency preparedness exercise. | (Department of Homeland Security, 2013) | 
  
   | Stakeholder | An individual, group or organization that is impacted by the outcome of a project. They have an interest in the success of the project, and can be within or outside the organization that is sponsoring the project. | (Calhoun, 2002) | 
  
   | Threat | A thing likely to cause damage. May result from natural disasters, technological hazards, and human caused incidents. | (Department of Homeland Security, 2016) | 
  
   | Tabletop exercise | A facilitated group discussion in which representatives from agencies and organizations meet in a classroom or in breakout groups to discuss the implementation of a disaster plan. | (Department of Homeland Security, 2013) | 
  
   | THIRA | Acronym for the Department of Homeland Security's Threat and Hazard Identification and Risk Assessment process, a four-step process designed to help communities identify capability targets and resource requirements necessary to address the risks that they may face. | (Department of Homeland Security, 2016) | 
  
   | U.S. Drought Monitor | A weekly map of drought conditions across the U.S., jointly produced by the National Drought Mitigation Center, the National Oceanic and Atmospheric Administration, and the U.S. Department of Agriculture. | (NDMC, 2019b) | 
  
   | Vulnerability | The state of susceptibility to harm from exposure to a hazard or disaster. | (Adger, 2006) | 
  
   | Workshop | A participatory gathering of attendees to discuss how to achieve a specific result or build a specific product. | (Department of Homeland Security, 2013) |