Weather Alert in Washington
Hydrologic Outlook issued March 19 at 3:35PM PDT by NWS Pendleton OR
AREAS AFFECTED: Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Simcoe Highlands; Upper Slopes of the Eastern Washington Cascades Crest; Lower Slopes of the Eastern Washington Cascades Crest
DESCRIPTION: ESFPDT Moderate to heavy rain is expected to continue along the Washington Cascade crest through Friday night. With temperatures remaining above freezing at night and warming into the 40s during the day, increased snowmelt is expected to continue as well. The rain and snow melt will increase water levels in rivers and streams flowing off the Cascades. The Naches River at Naches is expected to remain above minor flood stage through Sunday evening while briefly reaching moderate flood stage on Saturday. The Naches River at Cliffdell and several locations on the Yakima River are either above action stage or are expected to reach action stage at times through this weekend. Further downstream, the Yakima River at Kiona is expected to move above action stage Friday afternoon through Tuesday and briefly rise to just above minor flood stage Sunday afternoon. Please monitor the latest river forecasts from the National Weather Service for additional 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.
Next Topic: Drizzle
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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