Weather Alert in Colorado
Flood Advisory issued August 24 at 2:36PM MDT until August 24 at 5:45PM MDT by NWS Grand Junction CO
AREAS AFFECTED: Delta, CO; Montrose, CO
DESCRIPTION: * WHAT...Arroyo and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of west central Colorado, including the following counties, Delta and Montrose. * WHEN...Until 545 PM MDT. * IMPACTS...Rises in small streams and normally dry arroyos. * ADDITIONAL DETAILS... - At 236 PM MDT, Doppler radar indicated heavy rain due to thunderstorms along over the Rubideau Creek and Criswell Creek drainages. This may cause downstream arroyo and small stream flooding. Between 0.5 and 1 inch of rain has fallen. - This includes the following streams and drainages... Rubideau and Criswell Creeks and nearby drainages. Additional rainfall amounts of 0.3 to 0.6 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Areas near the Rubideau Creek drainage - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Arroyos, streams, and rivers can become raging currents in a matter of minutes, even from distant rainfall.
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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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