1. Prentice Hall EARTH SCIENCE Tarbuck Lutgens 2. Chapter 20 Weather Patternsand Severe Storms 3. 20.1 Air Masses Air Masses •Anair massis an immense body of air…

1. El Nino and Central Florida Weather 2. El Nino El Nino is a warming of the eastern tropical Pacific Ocean. El Nino events average 1-3 years long El Nino events occur about…

Slide 1CHAPTER 20.3 Severe Storms Slide 2 THUNDERSTORMS  A thunderstorm is a storm that makes lightning and thunder. They also produce strong winds, heavy rain, and hail.…

Slide 1 Storms: Violent disturbances within the atmosphere. Caused by sudden changes in air pressure which cause rapid air movement in an area. Similar conditions often produce…

Severe Storms Severe Storms Thunderstorms Thunderstorms are large cumulonimbus clouds that have lightning and thunder that occur within and around the cloud Two of the most…

Slide 1 Mesoscale Analysis of Wintertime Nonmesocyclone Tornadogenesis in Northwest Texas: 27 December 2007 Mark Conder, Todd Lindley, and Gary Skwira NOAA/National Weather…

Introduction The most effective tool to detect precipitation is radar. Radar, which stands for RAdio Detection And Ranging, has been utilized to detect precipitation, and…

Slide 1 Storms: Violent disturbances within the atmosphere. Caused by sudden changes in air pressure which cause rapid air movement in an area. Similar conditions often produce…

Severe Storms  A thunderstorm is a storm that generates lightning and thunder. Thunderstorms frequently produce gusty winds, heavy rain, and hail.  A thunderstorm may…

Slide 1 Mesoscale Analysis of Wintertime Nonmesocyclone Tornadogenesis in Northwest Texas: 27 December 2007 Mark Conder, Todd Lindley, and Gary Skwira – NOAA/National Weather…