Weather Alert in South Dakota

Recent Locations: Lincoln, MT   Sand Coulee, MT   Marvin, SD  
Current Alerts for Marvin, SD: Wind Advisory

High Wind Warning issued February 18 at 4:37AM CST until February 18 at 9:00AM CST by NWS Sioux Falls SD

AREAS AFFECTED: Beadle; Kingsbury; Jerauld; Sanborn; Miner; Brule; Aurora

DESCRIPTION: * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 60 mph. For the Wind Advisory, west winds 30 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of central, east central, and south central South Dakota. * WHEN...For the High Wind Warning, until 9 AM CST this morning. For the Wind Advisory, from 9 AM this morning to noon CST today. * IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.

INSTRUCTION: Winds this strong will make driving difficult, especially for high profile vehicles. Use extra caution.

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Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

Altocumulus Clouds Next Topic: Altostratus Clouds

Similar to cirrocumulus clouds, altocumulus clouds are characterized by cloud patches. They are distinguished by larger cloudlets than cirrocumulus clouds but are still smaller than stratocumulus clouds.

Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km) and may resemble, at times, the shape of a flying saucer. These uncommon formations, called altocumulus lenticularis, are created by uplift in the atmosphere and are most often seen in close proximity to mountains.

Next Topic: Altostratus Clouds

Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Cirrocumulus Clouds Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds

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