Weather Alert in Indiana
Winter Weather Advisory issued February 21 at 1:02PM CST until February 23 at 12:00PM CST by NWS Chicago IL
AREAS AFFECTED: Porter
DESCRIPTION: * WHAT...Lake effect snow expected. Total snow accumulations between 2 and 5 inches, with locally higher amounts possible mainly east of State Road 49 and north of US Route 30. Some blowing and drifting snow is possible Sunday night into Monday. * WHERE...Porter County. The highest totals are expected across the northeast half of the county. * WHEN...From midnight tonight to noon CST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. The hazardous conditions are expected to impact the Monday morning commute. * ADDITIONAL DETAILS...A period of snow with some lake enhancement will develop late tonight through Sunday morning. A brief lull in snowfall may occur towards midday Sunday before another round of lake effect snow develops Sunday afternoon and evening through Monday morning.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for Indiana can be obtained at https://511in.org.
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Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - 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
Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - 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
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