Weather Alerts for Arizona
1. Wind Advisory for: Little Colorado River Valley in Apache County; White Mountains
2. Wind Advisory for: Northwest Plateau; Northwest Deserts; Eastern Mojave Desert, Including the Mojave National Preserve; Cadiz Basin; Northeast Clark County; Las Vegas Valley; Southern Clark County
3. Winter Storm Warning for: Kaibab Plateau
4. Winter Storm Warning for: Western Mogollon Rim
5. Winter Weather Advisory for: Coconino Plateau; Yavapai County Mountains
6. Winter Weather Advisory for: Eastern Mogollon Rim
7. Winter Weather Advisory for: Grand Canyon Country
8. Winter Weather Advisory for: Northwest Deserts
9. Winter Weather Advisory for: Northwest Plateau; Lincoln County
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Current U.S. National Radar--Current
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National Weather Forecast--Current
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National Weather Forecast for Tomorrow
Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.
North America Water Vapor (Moisture)
This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.
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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