Weather Alert in Alaska
Flood Advisory issued June 19 at 10:42AM AKDT until June 19 at 10:00PM AKDT by NWS Fairbanks AK
AREAS AFFECTED: Central Beaufort Sea Coast
DESCRIPTION: * WHAT...Flooding caused by snowmelt is occurring. * WHERE...Kuparuk River, Spine Road, Kuparuk River Bridge And All Other Roads Near The River. * WHEN...Until 1000 PM AKDT Thursday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 1035 AM AKDT Thursday, high water from rapid snowmelt has crested and a gradual decline is expected through the end of the week. -Continued impacts to infrastructure near the river's mouth are possible as elevated water levels persist. -Personnel in the area are urged to use caution and avoid flooded roadways. - For Kuparuk River nr Deadhorse: At 9:45am the stage was 34.9 feet. Flood Stage is 35.5 feet. Forecast: A crest around 34.1 feet is expected around 4:00pm Thursday. - http://www.weather.gov/aprfc
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 is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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