Weather Alert in Missouri

Recent Locations: Spring Valley, CA   Zanesville, OH   Huntsville, MO  

Flood Advisory issued March 4 at 10:39PM CST until March 5 at 4:30AM CST by NWS St Louis MO

AREAS AFFECTED: Crawford, MO; Iron, MO; Jefferson, MO; Reynolds, MO; St. Francois, MO; Washington, MO

DESCRIPTION: * WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...Southeastern Crawford County in east central Missouri... South Central Jefferson County in east central Missouri... Southern Washington County in east central Missouri... Northern Iron County in southeastern Missouri... Northern Reynolds County in southeastern Missouri... Saint Francois County in southeastern Missouri... * WHEN...Until 430 AM CST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1039 PM CST, Doppler radar indicated heavy rain due to thunderstorms. This will cause small stream flooding. Rapid river rises will cause minor flooding in the advisory area. Between 1 and 3 inches of rain have fallen. - Some locations that will experience flooding include... Farmington, Bonne Terre, Desloge, Potosi, Bismarck, Ironton, Leadwood, Park Hills, Pilot Knob, Iron Mountain Lake, Viburnum, Irondale, Mineral Point, Belleview, Iron Mountain, Courtois, Bixby, Oates, Leadington and Caledonia.

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

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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.

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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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