Weather Alert in Arizona
Wind Advisory issued May 13 at 5:12AM MST until May 13 at 7:00PM MST by NWS Flagstaff AZ
AREAS AFFECTED: Kaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Yavapai County Mountains; Northeast Plateaus and Mesas Hwy 264 Northward; Chinle Valley; Chuska Mountains and Defiance Plateau; Western Mogollon Rim; Eastern Mogollon Rim; White Mountains; Yavapai County Valleys and Basins; Oak Creek and Sycamore Canyons; Black Mesa Area; Northeast Plateaus and Mesas South of Hwy 264
DESCRIPTION: * WHAT...Southwest winds 25 to 35 mph with gusts 45 to 55 mph expected. * WHERE...Navajo Nation in Arizona, Mogollon Rim, Yavapai County, Kaibab Plateau, Marble and Glen Canyons, Grand Canyon Country, Coconino Plateau, White Mountains, and Oak Creek and Sycamore Canyons. * WHEN...From 8 AM MST /9 AM MDT/ this morning to 7 PM MST /8 PM MDT/ this evening. * IMPACTS...Travel will be difficult, especially for high profile vehicles. Patchy blowing dust will lead to reduced visibilities, resulting in hazardous driving conditions at times.
INSTRUCTION: Secure loose outdoor objects that could be blown around or damaged by the wind. Winds this strong can make driving difficult, especially for high profile vehicles, such as RVs, campers, and tractor trailers. Use extra caution.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
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.
Next Topic: Shelf Clouds
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