Weather Alert in Colorado
Flash Flood Warning issued September 12 at 4:13PM MDT until September 12 at 6:15PM 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... South Central Rio Blanco County in northwestern Colorado... * Until 615 PM MDT. * At 413 PM MDT, Doppler radar indicated thunderstorms producing heavy rain moving towards the Lee burn scar. The expected rainfall rate is 0.3 to 0.5 inches in 30 minutes. Flash flooding is expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow moving through the Piceance Creek and County Road 5. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Dangerous flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Dangerous flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... mainly rural areas of South Central Rio Blanco County This includes the following streams and drainages... Fourteenmile Creek, Dry Fork Piceance Creek, Twelvemile Creek, Thirteenmile Creek, Piceance Creek, Dry Thirteenmile Creek and Sheep Creek.
INSTRUCTION: This is a dangerous situation. Heavy rainfall will cause extensive flash flooding and/or debris flows of creeks...streams...and ditches in the Burn Scar. Severe 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.
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Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
Weather Topic: What are Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds
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