Weather Alert in Missouri

Recent Locations: Joliet, MT   Ocotillo, CA   Martinsville, MO  

Flood Warning issued March 6 at 6:27PM CST until March 10 at 7:00AM CDT by NWS St Louis MO

AREAS AFFECTED: Jefferson, MO; St. Louis, MO

DESCRIPTION: ...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri... Meramec River near Eureka. Meramec River at Valley Park. River forecasts are based on observed precipitation and forecast precipitation for the next 48 hours. * WHAT...Minor flooding is forecast. * WHERE...Meramec River at Valley Park. * WHEN...From Saturday evening to Tuesday morning. * IMPACTS...At 19.5 feet, Buder Park and the recreation park at the water plant floods. * ADDITIONAL DETAILS... - At 6:00 PM CST Friday the stage was 10.6 feet. - Forecast...The river is expected to rise above flood stage late tomorrow evening to a crest of 19.7 feet early Sunday afternoon. It will then fall below flood stage early Monday morning. - Flood stage is 18.0 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 Graupel?

Home - Education - Precipitation - Graupel

Graupel Next Topic: Hail

Graupel is a form of precipitation that is created by atmospheric conditions which cause supercooled water droplets to contact snow crystals and freeze to their surface.

Sometimes known as soft hail or snow pellets, graupel is delicate and easily destroyed by touch. Whereas hail usually falls during severe weather, graupel doesn't require such conditions to form, and can form in mild precipitation similar to situations which produce snowfall.

Next Topic: Hail

Weather Topic: What are Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

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