Weather Alert in Alaska

Flood Watch issued August 13 at 12:47PM AKDT until August 14 at 7:00PM AKDT by NWS Fairbanks AK

AREAS AFFECTED: Southern Seward Peninsula Coast

DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Including the following area, Southern Seward Peninsula Coast. This includes the cities of Nome, White Mountain, And Golovin. * WHEN...Through Thursday evening. * IMPACTS...High water is likely along main stem rivers as the runoff makes its way downstream. The highest water levels on main stem rivers near the coast will likely be approximately 1 day after rainfall stops. Rainfall is expected to stop late Wednesday afternoon. * ADDITIONAL DETAILS... - Predicted rainfall amounts and pre-event water levels on rivers are similar to the August 2024 event. Similar impacts are expected. - Http://www.weather.gov/aprfc - If you live near or along the Niukluk River and other rivers draining the Bendeleben Mountains, secure boats and other property stored along the river banks.

INSTRUCTION: Persons living along streams should stay alert and be prepared to take action if a warning or advisory is issued, or flooding is observed. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information.

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Weather Topic: What are Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Altostratus Clouds Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds

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