Weather Alert in Missouri
Flood Warning issued March 6 at 6:29PM CST until March 8 at 11:10PM CDT by NWS St Louis MO
AREAS AFFECTED: Crawford, MO; Washington, MO
DESCRIPTION: ...The Flood Warning continues for the following rivers in Missouri... Meramec River near Sullivan. ...The Flood Warning is cancelled for the following rivers in Missouri... Meramec River near Steelville. River forecasts are based on observed precipitation and forecast precipitation for the next 48 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Meramec River near Sullivan. * WHEN...Until Sunday evening. * IMPACTS...At 15.6 feet, The basic loop of the Onondaga Cave State Park campground begins flooding near this height. * ADDITIONAL DETAILS... - At 5:29 PM CST Friday the stage was 16.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:29 PM CST Friday was 19.7 feet. - Forecast...The river is expected to fall below flood stage tomorrow afternoon and continue falling to 5.6 feet Thursday evening. - Flood stage is 11.0 feet.
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
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Weather Topic: What is Rain?
Home - Education - Precipitation - 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
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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