Weather Alert in Colorado
Air Quality Alert issued August 3 at 4:10PM MDT by NWS Grand Junction CO
AREAS AFFECTED: Garfield, CO; Rio Blanco, CO; Eagle, CO
DESCRIPTION: The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Central and eastern Rio Blanco, eastern Garfield, and western Eagle Counties. Locations include, but are not limited to Meeker, Carbondale, El Jebel, and along Highway 82 south of Glenwood Springs. WHEN...400 PM Sunday August 03 to 900 AM Monday August 04 IMPACTS...Smoke from the Grease fire and the Elk fire in central and southeastern Rio Blanco County, and the Coulter Creek fire in southeastern Garfield County will produce areas of moderate to heavy smoke Sunday evening and Monday morning. The greatest impacts are expected in areas in the immediate vicinity of these fires including mainly rural areas of Rio Blanco County south and southeast of Meeker; and in southeastern portions of Garfield County in the roaring Fork Valley along Highway 82 near Carbondale and El Jebel; south of Glenwood Springs. Additional smoke impacts may be experienced across the advisory area due to transport of smoke on Sunday and Monday. HEALTH INFORMATION...Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and older adults. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating temporarily if smoke is present indoors and is making you ill. If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy.
INSTRUCTION: N/A
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Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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