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If you have friends or family who may have been affected by today’s tornadoes, please share these tips on how to stay safe after a tornado from the Centers for Disease Control and Prevention.

Know What To Do During Weather Emergencies

Weather emergencies, such as tornadoes, floods, and lightning, can occur without a lot of warning. However, you can prepare for different types of severe weather.

One of the basic recommendations to help you prepare for any emergency is to assemble a disaster supplies kit, which includes water, food, a first-aid kit, and many other items.

Knowing what to do in different circumstances may save your life and the lives of others.

Image description: this animated gif shows the annual cycle of severe weather threats based on data gathered by the National Weather Services from 1985 to 1989. Each of its 52 frames shows the probability of a severe storm occurring within 25 miles of any point for that week. More info about this image and the data used to create it.
It’s tornado season. Tornadoes are nature’s most violent storms and they can be deadly. Learn how to prepare for tornadoes and what to do when one strikes at ready.gov/tornadoes.

Image description: this animated gif shows the annual cycle of severe weather threats based on data gathered by the National Weather Services from 1985 to 1989. Each of its 52 frames shows the probability of a severe storm occurring within 25 miles of any point for that week. More info about this image and the data used to create it.

It’s tornado season. Tornadoes are nature’s most violent storms and they can be deadly. Learn how to prepare for tornadoes and what to do when one strikes at ready.gov/tornadoes.

Image description: The satellite image, captured today at 9:01 a.m. EST, shows clouds associated with the western frontal system stretching from Canada through the Ohio and Tennessee valleys, into the Gulf of Mexico.
The comma-shaped low pressure system located over the Atlantic, east of Virginia, is forecast to merge with the front and create a powerful nor’easter. The National Weather Service expects the merged storm to move northeast and drop between two to three feet of snow in parts of New England.
Photo from NASA.
Stay safe in severe winter weather with these tips from Ready.gov.

Image description: The satellite image, captured today at 9:01 a.m. EST, shows clouds associated with the western frontal system stretching from Canada through the Ohio and Tennessee valleys, into the Gulf of Mexico.

The comma-shaped low pressure system located over the Atlantic, east of Virginia, is forecast to merge with the front and create a powerful nor’easter. The National Weather Service expects the merged storm to move northeast and drop between two to three feet of snow in parts of New England.

Photo from NASA.

Stay safe in severe winter weather with these tips from Ready.gov.

April 27 and 28, 2011 brought the deadliest tornado outbreak in the United States since 1974.

For the latest information on how to help tornado survivors and apply for assistance, please visit the Federal Emergency Management Agency’s (FEMA) blog.

The above animation is from from NASA Earth Observatory:

The animation starts on April 26 and runs through the morning of April 28. The ingredients for severe weather are evident in the cloud patterns. A relatively stable mass of cold air—visible as a swirl of more-or-less continuous clouds—rotates in the north along the top of the image. Meanwhile, moist air pushes north and west from the Atlantic Ocean and Gulf of Mexico. The warm air contains small low clouds.

The collision between two such air masses is enough to generate severe weather, but the weather also was amplified by the jet stream on April 27. Though not directly visible in the image, the narrow band of fast-moving wind blew north and east between the two air masses. With surface winds blowing from the south and east, and the jet stream blowing from the west, powerful smaller-scale circulation patterns generated lines of intense thunderstorms.