Weather Alert in Arizona
Flash Flood Warning issued August 24 at 4:34PM MST until August 24 at 6:30PM MST by NWS Flagstaff AZ
AREAS AFFECTED: Coconino, AZ
DESCRIPTION: At 434 PM MST, Doppler radar indicated thunderstorms producing heavy rain over the White Sage Fire scar. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts up to 0.1 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the White Sage Fire scar. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the White Sage Fire scar. Some locations that will experience flash flooding include... Vermilion Cliffs National Monument. This includes the following creeks, washes and rivers... House Rock Wash, Coyote Wash and Rock Canyon.
INSTRUCTION: Flash flooding is occurring or imminent within the White Sage Fire scar. Campers, hunters, and hikers should move to higher ground immediately! Stay away from creeks and washes!
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Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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