Weather Alert in Illinois

Recent Locations: Hot Springs, SD   Wadsworth, IL  

Tornado Warning issued May 16 at 6:38PM CDT until May 16 at 7:00PM CDT by NWS Paducah KY

AREAS AFFECTED: Saline, IL; Williamson, IL

DESCRIPTION: ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR SOUTHEASTERN WILLIAMSON AND SOUTHERN SALINE COUNTIES... At 638 PM CDT, a confirmed large and destructive tornado was located near Carrier Mills, or 9 miles west of Harrisburg, moving east at 55 mph. TORNADO EMERGENCY for DYKERSBURG AND CARRIER MILLS. This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! HAZARD...Deadly tornado. SOURCE...Weather spotters confirmed tornado. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be destroyed. Considerable damage to homes, businesses, and vehicles is likely and complete destruction is possible. The tornado will be near... Harrisburg and Carrier Mills around 645 PM CDT. Other locations impacted by this tornadic thunderstorm include Stonefort.

INSTRUCTION: To repeat, a large, extremely dangerous, and potentially deadly tornado is on the ground. To protect your life, TAKE COVER NOW! Move to an interior room on the lowest floor of a sturdy building. Avoid windows. If in a mobile home, a vehicle or outdoors, move to the closest substantial shelter and protect yourself from flying debris.

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Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

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