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Severe thunderstorm warning - Wikipedia


A severe thunderstorm warning (SAME code: SVR) is an alert issued when trained storm spotters or a Doppler weather radar indicate that a thunderstorm is  ...

Severe Weather 101: Thunderstorm Basics


Basic information about severe thunderstorms, from the NOAA National Severe Storms Laboratory.

Severe thunderstorm criteria - USATODAY.com


Source: USA TODAY research by Chad Palmer, graphic by John Herne. Wind, hail, tornadoes define severe thunderstorms. The National Weather Service ...

NWS Birmingham, Alabama


Next ONLINE Basic Storm Spotter Class will be on Tuesday, October 25th at 6:30 PM! Welcome to our New .... Severe Thunderstorm Warnings · Flash Flood ...

Severe Thunderstorm Preparation and Response


The Severe Thunderstorm disaster planning - ... Elderly people and people with disabilities may require additional assistance. People who care for them or who ...

The Recipe for Thunderstorm - Weather Glossary - AccuWeather.com


The Recipe for Thunderstorm. Share |. All thunderstorms require three main ingredients: 1. Moisture. Typical sources of moisture are large bodies of water such ...



AND SEVERE THUNDERSTORMS. METEOROLOGIST JEFF HABY. There are three ingredients that must be present for a thunderstorm to occur. They are ...

Prepare for a Supercell | Weather Underground


If lightning were a prerequisite, all thunderstorms would be severe. ... ingredients for a thunderstorm (instability, moisture, source of lift), supercells require strong ...

Thunderstorm Safety | Severe Weather | Red Cross


A thunderstorm is considered severe if it produces hail at least 1 inch in diameter or has wind gusts of at least 58 miles per hour. Every thunderstorm produces ...

Severe Thunderstorms- GrotonWeather.com


Severe thunderstorms can strike Central New York at any time of the year, but are most common in May through August. Typically, most severe thunderstorms in ...

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Storm Prediction Center Frequently Asked Questions (FAQ)


Apr 20, 2015 ... Severe weather, tornado, thunderstorm, fire weather, storm report, tornado ... of the U.S. government meet specific standards and requirements.

What makes a thunderstormsevere” - The Washington Post


Jul 9, 2014 ... The thresholds for a severe thunderstorm are seemingly arbitrary, ... the reasoning behind the minimum requirements set on wind and hail.

Severe Weather Definitions - National Weather Service


Structural wind damage may imply the occurrence of a severe thunderstorm. A thunderstorm wind equal to or greater than 40 mph (35 knots or ~64 km/h) and/or  ...