Weather Alert in Nebraska
Fire Weather Watch issued February 24 at 1:12PM CST until February 25 at 6:00PM CST by NWS North Platte NE
AREAS AFFECTED: Frenchman Basin
DESCRIPTION: ...CRITICAL FIRE WEATHER CONDITIONS ARE LIKELY FOR SOUTHWEST NEBRASKA ON WEDNESDAY... .Strong westerly winds approaching 50 mph with afternoon humidity values falling to around 20 percent will support critical fire weather conditions across southwest Nebraska Wednesday. Later in the day, a pronounced frontal boundary will arrive from the north and lead to an abrupt wind flip from westerly to more northerly. Wind gusts exceeding 25 mph are likely to continue well into the evening hours following frontal passage. The National Weather Service in North Platte has issued a Fire Weather Watch for strong winds and low humidity, which is in effect Wednesday afternoon. * AFFECTED AREA...Fire Weather Zone 210 Frenchman Basin. * TIMING...11 AM to 5 PM MST Wednesday * WINDS...Northwest 15 to 25 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...Falling to around 20 percent. * TEMPERATURES...Upper 60s to near 70. * LIGHTNING...None expected. * IMPACTS...Any fire starts will have a high potential to spread rapidly and will be difficult to control.
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 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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