Weather Alert in Arizona
Extreme Heat Warning issued June 17 at 1:21AM PDT until June 19 at 10:00PM PDT by NWS Las Vegas NV
AREAS AFFECTED: Lake Havasu and Fort Mohave; Northwest Deserts; Lake Mead National Recreation Area; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; San Bernardino County-Upper Colorado River Valley; Western Clark and Southern Nye County; Las Vegas Valley; Lake Mead National Recreation Area
DESCRIPTION: * WHAT...Dangerously hot conditions. Expect high temperatures around 110 in Las Vegas, Pahrump, and Barstow, around 105 in Kingman, 110 to 115 in the Colorado River Valley, and around 120 at Furnace Creek in Death Valley National Park. Overnight lows in the 80s in Las Vegas and at the lower elevations along the Colorado River will give little relief from the heat. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, Northwest Deserts, Death Valley National Park, Western Mojave Desert, Eastern Mojave Desert, San Bernardino County-Upper Colorado River Valley, Western Clark and Southern Nye County, and Las Vegas Valley. * WHEN...From 10 AM PDT /10 AM MST/ Wednesday to 10 PM PDT /10 PM MST/ Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
INSTRUCTION: Drink plenty of water, 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or late evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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