Weather Alert in Colorado
Flash Flood Warning issued September 12 at 11:42AM MDT until September 12 at 2:45PM MDT by NWS Grand Junction CO
AREAS AFFECTED: Rio Blanco, CO
DESCRIPTION: FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Lee burn scar in... Central Rio Blanco County in northwestern Colorado... * Until 245 PM MDT. * At 1142 AM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Lee Burn Scar. Between 0.3 and 0.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding/debris flows are ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow moving through Piceance Creek which would impact County Road 5. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Lee Burn Scar. SOURCE...Radar. IMPACT...Life threatening flash flooding of areas in and around the Lee Burn Scar. * Some locations that will experience flash flooding include... West side of Lee burn scar, including Piceance Creek and County Road 5
INSTRUCTION: This is a dangerous situation. Heavy rainfall will cause flash flooding of creeks...streams...and ditches in the Lee Burn Scar. Debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. Move away from recently burned areas. Dangerous flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around these areas.
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Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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