Weather Alert in Nebraska

Recent Locations: Perryopolis, PA   Moran, TX   Rockville, NE  
Current Alerts for Rockville, NE: Special Weather Statement

Special Weather Statement issued February 7 at 6:01PM CST by NWS Hastings NE

AREAS AFFECTED: Valley; Greeley; Nance; Sherman; Howard; Merrick; Polk; Buffalo; Hall; Hamilton

DESCRIPTION: Continued well-above normal temperatures (especially through Monday) will cause increasing ice melt and ice movement along the Platte, North Loup, Middle Loup, South Loup and Loup Rivers in central and south central Nebraska. This could result in the possible formation of localized ice jams. Although not a certainty, should any ice jams happen to develop, water levels could fluctuate as much as 1 to 3 feet in a very short time, causing flooding with little, if any notice. If any ice jam flooding is observed over the next few days along the Platte or Loup River systems in central and south central Nebraska, please report it immediately to the National Weather Service in Hastings.

INSTRUCTION: N/A

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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

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.

Next Topic: Precipitation

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