Weather Alert in Colorado
Fire Weather Watch issued August 12 at 9:16PM MDT until August 14 at 10:00PM MDT by NWS Grand Junction CO
AREAS AFFECTED: Routt; Colorado River Headwaters
DESCRIPTION: * AFFECTED AREA...In Colorado, Fire Weather Zone 201 Routt Forecast Area and Fire Weather Zone 205 Colorado River Headwaters. * TIMING...For the Red Flag Warning, from noon to 8 PM MDT Wednesday. For the first Fire Weather Watch, from Thursday morning through Thursday evening. For the second Fire Weather Watch, from Friday morning through Friday evening. * WINDS...Southwest 5 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...11 to 16 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Scattered dry thunderstorms on Thursday and Friday will be capable of producing frequent lightning and gusty outflow winds which when combined with extremely dry conditions, will be capable of fire starts.
INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
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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
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
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