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 are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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