Weather Alert in Arizona
Wind Advisory issued March 30 at 10:01AM PDT until April 1 at 2:00AM PDT by NWS Las Vegas NV
AREAS AFFECTED: Northwest Plateau; Lake Mead National Recreation Area; Northeast Clark County; Lake Mead National Recreation Area; Southern Clark County
DESCRIPTION: * WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Lake Mead National Recreation Area, Northwest Plateau, Northeast Clark County, and Southern Clark County. * WHEN...From 8 AM PDT /8 AM MST/ Monday to 2 AM PDT /2 AM MST/ Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Dangerous boating conditions expected.
INSTRUCTION: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Strong winds and rough waves on area lakes will create hazardous conditions for small craft.
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North America Water Vapor (Moisture)
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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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