Weather Alert in Alaska
Flood Watch issued August 28 at 8:21AM AKDT until August 29 at 12:00PM AKDT by NWS Fairbanks AK
AREAS AFFECTED: South Slopes of the Western Brooks Range; Noatak Valley; Upper Kobuk Valleys; Lower Koyukuk Valley; Upper Koyukuk Valley
DESCRIPTION: * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Including the following areas, Lower Koyukuk Valley, Noatak Valley, South Slopes of the Western Brooks Range, Upper Kobuk Valleys and Upper Koyukuk Valley. This includes the cities of Walker Lake, Noatak, Red Dog Mine, Ambler, Shungnak, Kobuk, Huslia, Hughes, Allakaket, Bettles, Evansville, And Alatna. * WHEN...Through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Area creeks and streams are running high and could flood with more heavy rain. Flooding may occur in poor drainage areas. * ADDITIONAL DETAILS... - Heavy rainfall that caused rapid rises in headwater streams will continue to cause water level rises on main stem rivers through the end of the week. The Koyukuk River is expected to crest at Allakaket overnight on Wednesday, timing of the Alatna River crest at the confluence with the Koyukuk may be coincident. The Kobuk River is cresting at Kobuk today and may stay high or have another rise through the end of the week due to continued rainfall. - Http://www.weather.gov/aprfc
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. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. 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 Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
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Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
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