Weather Alert in Colorado
Flood Watch issued August 26 at 2:57AM MDT until August 27 at 12:00AM MDT by NWS Grand Junction CO
AREAS AFFECTED: Roan and Tavaputs Plateaus; Grand Valley; Debeque to Silt Corridor; Central Colorado River Basin; Grand and Battlement Mesas; Gore and Elk Mountains/Central Mountain Valleys; Central Gunnison and Uncompahgre River Basin; West Elk and Sawatch Mountains; Flat Tops; Upper Gunnison River Valley; Uncompahgre Plateau/Dallas Divide; Northwestern San Juan Mountains; Southwest San Juan Mountains; Paradox Valley/Lower Dolores River; Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin; Southeast Utah; La Sal and Abajo Mountains; Canyonlands/Natural Bridges
DESCRIPTION: * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Colorado, including the following areas, along the I-70 corridor, Flat Tops, Four Corners, Central Mountain Valleys, Grand Valley, Grand and Battlement Mesas, Western San Juan Mountains, Uncompahgre Plateau and Dallas Divide, Upper Gunnison River Valley and West Elk and Sawatch Mountains, and portions of southeast Utah, including the following areas, Canyonlands/Natural Bridges and the La Sal and Abajo Mountains. This also includes the Elk/Lee Complex, Turner Gulch, Deer Creek, Stoner Mesa, and South Rim burn scars. * WHEN...From 6 AM MDT this morning through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Area creeks and streams are running high and could flood with more heavy rain. Heavy rain over burn scars may lead to debris flows. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood
INSTRUCTION: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
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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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