Weather Alerts for Arizona
1. Air Quality Alert for: Maricopa, AZ
2. Extreme Heat Warning for: Aguila Valley; Tonopah Desert; Gila Bend; Cave Creek/New River; New River Mesa; Rio Verde/Salt River; Fountain Hills/East Mesa; Superior; Northwest Pinal County; West Pinal County; Apache Junction/Gold Canyon; Tonto Basin; Sonoran Desert Natl Monument; San Carlos; Globe/Miami
3. Extreme Heat Warning for: Grand Canyon Country
4. Extreme Heat Warning for: Northwest Plateau; Lake Havasu and Fort Mohave; Northwest Deserts; Lake Mead National Recreation Area; Owens Valley; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Lincoln County; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Lake Mead National Recreation Area; Southern Clark County
5. Extreme Heat Warning for: Northwest Valley; Buckeye/Avondale; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; South Mountain/Ahwatukee; Southeast Valley/Queen Creek
6. Extreme Heat Warning for: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Joshua Tree NP West; Joshua Tree NP East; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
7. Extreme Heat Warning for: Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper San Pedro River Valley including Sierra Vista/Benson; Upper Gila River and Aravaipa Valleys including Clifton/Safford
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North America Water Vapor (Moisture)
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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
Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
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