Weather Spotter's Field Guide

Weather Spotter's Field Guide

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The United States is the most severe weather-prone country in the world. Each year, people in this country cope with an average of 10, 000 thunderstorms, 5, 000 floods, 1, 200 tornadoes, and two land-falling hurricanes. Approximately 90% of all presidentially declared disasters are weather-related, causing around 500 deaths each year and nearly $14 billion in damage. SKYWARNAr is a National Weather Service (NWS) program developed in the 1960s that consists of trained weather spotters who provide reports of severe and hazardous weather to help meteorologists make life-saving warning decisions. Spotters are concerned citizens, amateur radio operators, truck drivers, mariners, airplane pilots, emergency management personnel, and public safety officials who volunteer their time and energy to report on hazardous weather impacting their community. Although, NWS has access to data from Doppler radar, satellite, and surface weather stations, technology cannot detect every instance of hazardous weather. Spotters help fill in the gaps by reporting hail, wind damage, flooding, heavy snow, tornadoes and waterspouts. Radar is an excellent tool, but it is just that: one tool among many that NWS uses. We need spotters to report how storms and other hydro-meteorological phenomena are impacting their area. SKYWARNAr spotter reports provide vital qground truthq to the NWS. They act as our eyes and ears in the field. Spotter reports help our meteorologists issue timely, accurate, and detailed warnings by confirming hazardous weather detected by NWS radar. Spotters also provide critical verification information that helps improve future warning services. SKYWARNAr Spotters serve their local communities by acting as a vital source of information when dangerous storms approach. Without spotters, NWS would be less able to fulfill its mission of protecting life and property. This guide provides the procedures for Spotter Reporting, their role in severe storms that may result in hazardous conditions, and provides safety tips for extreme weather conditions. Section 2 of this guide showcases Basics of several elements that impact severe or strong storms. A significant portion of Section 2 is dedicated to thunderstorms and how they can evolve into tornadoes, and Supercells. Section 3 takes a closer look at tornadoes, the impact with lightning, wind, Supercells, and more. Section 4 features Technology and Storm Spotting covering Doppler weather radar from types of radar to radar imaging; satellites - types of satellite imaging; storm movement and spotter location is also addressed in this section.A Guide to Being a SKYWARN Spotter National Oceanic and Atmospheric Administration (U.S.). Multi-Vortex tornadoes have two or more circulations or vortices orbiting about each other or around a common center. Multi-vortex tornado nearanbsp;...

Title:Weather Spotter's Field Guide
Author: National Oceanic and Atmospheric Administration (U.S.)
Publisher:Government Printing Office - 2014-08-28

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