Weather Alert in Nebraska
Fire Weather Watch issued March 17 at 12:17AM MDT until March 21 at 8:00PM MDT by NWS Cheyenne WY
AREAS AFFECTED: Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains; North Laramie Range and Adjacent High Plains
DESCRIPTION: ...TWO PART FIRE WEATHER WATCH... .PART ONE WILL FEATURE STRONG WINDS AND MARGINAL RELATIVE HUMIDITY, PART TWO WILL FEATURE GUSTY WINDS, CRITICAL RELATIVE HUMIDITY AND POOR OVERNIGHT HUMIDITY RECOVERIES. * AFFECTED AREA...Fire weather zone 417, 418, 419, 432, 433, 434,and 435. * WIND...Sustained winds 20 to 30 mph, gusting up to 35 mph. * HUMIDITY...10 to 15 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Poor overnight humidity recoveries are expected for the duration of the Fire Weather Watch. Well above average temperatures are also expected which will contribute considerably to the dry conditions.
INSTRUCTION: 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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