Sediment precipitation
Encyclopedia
Sediment precipitation is a weather condition that occurs when a mix of rain
and sediment
(usually as dust or sand) fall from the sky as precipitation. It usually occurs in arid desert
regions such as west Texas
or Arizona
. It occasionally happens in the grasslands as it did in Bexar County, Texas
on March 18, 2008.
Rain
Rain is liquid precipitation, as opposed to non-liquid kinds of precipitation such as snow, hail and sleet. Rain requires the presence of a thick layer of the atmosphere to have temperatures above the melting point of water near and above the Earth's surface...
and sediment
Sediment
Sediment is naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of fluids such as wind, water, or ice, and/or by the force of gravity acting on the particle itself....
(usually as dust or sand) fall from the sky as precipitation. It usually occurs in arid desert
Desert
A desert is a landscape or region that receives an extremely low amount of precipitation, less than enough to support growth of most plants. Most deserts have an average annual precipitation of less than...
regions such as west Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...
or Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...
. It occasionally happens in the grasslands as it did in Bexar County, Texas
Bexar County, Texas
As of the census of 2000, there were 1,392,931 people, 488,942 households, and 345,681 families residing in the county. The population density was 1,117 people per square mile . There were 521,359 housing units at an average density of 418 per square mile...
on March 18, 2008.