Weather Alert in Alaska
Flood Warning issued August 31 at 9:41AM AKDT until September 2 at 10:00AM AKDT by NWS Anchorage AK
AREAS AFFECTED: Western Susitna Valley; Southern Susitna Valley; Central Susitna Valley
DESCRIPTION: * WHAT...Moderate Flooding caused by excessive rainfall continues. * WHERE...the Yentna River and tributaries at and above Lake Creek. * WHEN...Until 1000 AM AKDT Tuesday. * IMPACTS...At 20.5 feet, water begins to inundate several low-lying cabins. At 22.0 feet, more extensive flooding of cabins, resorts, and private property. * ADDITIONAL DETAILS... - At 924 AM AKDT, Between 1 and 2 inches of rain have fallen. The river gauge at Lake Creek and other gauges across the Susitna Valley show considerable rises across area rivers. Additional rainfall amounts of 1 to 2 inches are expected. For Yentna River at Lake Creek: At 9:00am the stage was 22.0 feet and slowly falling. Flood Stage is 20.5 feet. Forecast: The crest was around 23 feet Saturday night. The river levels will continue to slowly fall but will not go below flood stage due to additional rainfall Sunday and Monday. This may equal or exceed the August 2024 crest of 22.4 feet. - Http://www.weather.gov/safety/flood
INSTRUCTION: 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 Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
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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
Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
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