Walk through the basics of Tornado, the high-performance web server known for its speed, simplicity, and scalability on projects large and small. With this hands-on guide, you’ll learn how to use Tornado’s acclaimed features by working with several example applications. You also get best practices for using Tornado in the real world. Are you interested in creating a scalable social application, real-time analytics engine, or RESTful API—all with the power and simplicity of Python? This book shows you why Tornado is fantastic choice for writing powerful applications that are simple to create, extend, and deploy. Learn how to use Tornado’s lightweight and flexible templating language Extend templates to repurpose headers, footers, layout grids, and other content Use persistent storage like MongoDB to store, serve, and edit dynamic content Explore Tornado’s ability to make asynchronous web requests Secure your application against cookie and request vulnerabilities Authenticate with external services, using Tornado’s auth module Adopt deployment strategies that help harden your application and increase request throughput

What in the world is a tornado? In this age of extreme weather, this newly updated edition of Gail Gibbons' informative introduction to tornadoes, with safety tips included, answers that question. Tornadoes form when hot, humid air rises from the ground and meets with the cooler, denser air that is falling back to Earth. The two airstreams begin to swirl, pulling in more and more air to form a funnel-shaped cloud. The winds can swirl faster than 261 miles per hour! Newly revised and vetted by weather experts from National Oceanic and Atmospheric Association, Tornadoes is an accessible introduction to this fascinating phenomenon. Using her praised combination of clear text and detailed illustrations, Gail Gibbons shares more than fifty tornado facts. . . . including how tornadoes form, the scale used for classifying them, and the safest places to go in case one should happen near you. Featuring simple, kid-friendly text, colorful paintings, and well-labeled diagrams, Gail Gibbons' nonfiction titles have been called ""staples of any collection" (Kirkus Reviews) and offer clear, accessible introductions to complex topics for young readers beginning to explore the world.

In this updated and revised edition of Tornadoes, award-winning science writer Seymour Simon gives readers an in-depth look at these captivating and powerful storms through fascinating facts and stunning full-color photographs. This nonfiction picture book is an excellent choice to share during homeschooling, in particular for children ages 6 to 8. It’s a fun way to learn to read and as a supplement for activity books for children. Readers will learn all about tornadoes, from how they are first created to the destruction they leave behind. This updated edition includes: author’s note stunning full-color photographs glossary index a list of websites and additional reading sources Supports the Common Core Learning Standards, Next Generation Science Standards and the Science, Technology, Engineering, and Math (STEM) standards.

From Newbery Medal-winning author Betsy Byars comes a sweet, entertaining story that will touch the heart of dog lovers at any age. A tornado appears in the distance, and the family quickly gathers into the storm cellar. The storm rages outside, but Pete, the farmhand, knows this is the perfect time to tell his stories about a dog named Tornado. Blown into their lives by a twister when Pete was a boy, Tornado was no ordinary dog—he played card tricks, saved a turtle’s life, and had a rivalry with the family cat. Forgetting their fear, the family hangs on every word of Pete’s stories—both happy and sad—of this remarkable dog.

A how to on surviving a Tornado.

This book discusses the science behind tornadoes and their effects. The chapters describe deadly tornadoes, examine the weather conditions that cause tornadoes, and explain how people prepare for these disasters. Diagrams, charts, and photos provide opportunities to evaluate and understand the scientific concepts involved.

With 16 pages of black-and-white illustrations In Storm Kings, Lee Sandlin retraces America's fascination and unique relationship to tornadoes and the weather. From Ben Franklin's early experiments, to "the great storm debates" of the nineteenth century, to heartland life in the early twentieth century, Sandlin shows how tornado chasing helped foster the birth of meteorology, recreating with vivid descriptions some of the most devastating storms in America's history. Drawing on memoirs, letters, eyewitness testimonies, and numerous archives, Sandlin brings to life the forgotten characters and scientists that changed a nation and how successive generations came to understand and finally coexist with the spiraling menace that could erase lives and whole towns in an instant.