Weather Alert in Arizona
Extreme Heat Watch issued August 3 at 1:57AM PDT until August 7 at 8:00PM PDT by NWS Las Vegas NV
AREAS AFFECTED: Lake Havasu and Fort Mohave; Northwest Deserts; Lake Mead National Recreation Area; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Lake Mead National Recreation Area
DESCRIPTION: * WHAT...Dangerously hot conditions with high temperatures between 103 and 106 in Kingman, Golden Valley, and Dolan Springs; between 115 and 120 in Laughlin, Bullhead City, Needles, and Lake Havasu City; between 108 and 112 in the Morongo Basin and Twentynine Palms. Major Heat Risk. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, Northwest Deserts, Morongo Basin, Cadiz Basin, and San Bernardino County-Upper Colorado River Valley. * WHEN...From Wednesday morning through Thursday evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events.
INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates.
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Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
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
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