Weather Alert in Arizona
Special Weather Statement issued August 14 at 11:25PM MST by NWS Phoenix AZ
AREAS AFFECTED: Cave Creek/New River; Deer Valley; North Phoenix/Glendale; New River Mesa; Scottsdale/Paradise Valley; Rio Verde/Salt River; East Valley; Fountain Hills/East Mesa; Southeast Valley/Queen Creek; Superior; Northwest Pinal County; Apache Junction/Gold Canyon; Mazatzal Mountains; Pinal/Superstition Mountains
DESCRIPTION: At 1120 PM MST, a cluster of thunderstorms continue to persist, with additional development across eastern portions of the Phoenix metro anticipated into the overnight hours. Wind gusts up to 50 mph will be possible, with frequent lightning and heavy downpours that could result in localized accumulations of one half inch or greater. Locations impacted include... Phoenix, Mesa, Chandler, Scottsdale, Gilbert, Tempe, Casa Grande, Apache Junction, Florence, Fountain Hills, Paradise Valley, Coolidge, Sycamore Creek, East Mesa, Sunflower, Gold Canyon, New River, Sugarloaf Mountain, Sun Lakes, and Ballantine Trailhead. This includes the following highways... AZ Interstate 10 between mile markers 170 and 204. AZ Interstate 17 between mile markers 219 and 241. AZ Interstate 8 between mile markers 172 and 178. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms, and may cause localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.
INSTRUCTION: N/A
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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