Weather Alert in Nebraska
Red Flag Warning issued March 25 at 2:57PM CDT until March 26 at 11:00AM CDT by NWS North Platte NE
AREAS AFFECTED: Eastern Panhandle/Crescent Lake NWR; Sandhills/Valentine NWR/Nebraska National Forest; Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest; Loup Rivers Basin; Frenchman Basin; Loess Plains
DESCRIPTION: ...CRITICAL FIRE WEATHER CONDITIONS CONTINUE INTO THURSDAY MORNING... * AFFECTED AREA...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR, Fire Weather Zone 206 Sandhills/Valentine NWR/Nebraska National Forest, Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest, Fire Weather Zone 209 Loup Rivers Basin, Fire Weather Zone 210 Frenchman Basin and Fire Weather Zone 219 Loess Plains. * TIMING...Through 11 AM CDT Thursday. * WINDS...West-northwest 15 to 25 mph with gusts up to 35 mph through this evening. A cold front tomorrow morning brings an abrupt wind shift, as winds become northerly at 20 to 25 mph gusting 30 to 40 mph. * RELATIVE HUMIDITY...As low as 10 to 20 percent. Poor humidity recovery to 50 to 55 percent overnight. * TEMPERATURES...In the Upper 80s to low 90s. * LIGHTNING...Isolated dry lightning is possible after sunset this evening across portions of western Nebraska and the Sandhills. While the threat is low, a few showers may be robust enough to create sporadic lightning strikes and gusty, erratic winds. * IMPACTS...Any fire starts may spread rapidly and be difficult to control.
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.
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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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