Weather Alert in Nebraska
Fire Weather Watch issued March 17 at 2:08AM CDT until March 18 at 8:00PM CDT by NWS North Platte NE
AREAS AFFECTED: Eastern Panhandle/Crescent Lake NWR; Sandhills/Valentine NWR/Nebraska National Forest; Frenchman Basin
DESCRIPTION: ...NEW FIRE WEATHER WATCH ISSUED FOR PORTIONS OF WESTERN NEBRASKA WEDNESDAY IN ADDITION TO RED FLAG WARNING IN PLACE FOR TUESDAY... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR WEST CENTRAL NEBRASKA... The National Weather Service in North Platte has issued a Fire Weather Watch for strong winds and low relative humidity, which is in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR, Fire Weather Zone 206 Sandhills/Valentine NWR/Nebraska National Forest and Fire Weather Zone 210 Frenchman Basin. * TIMING...For the Red Flag Warning: 11 AM CDT /10 AM MDT/ to 9 PM CDT /8 PM MDT/ Tuesday. For the Fire Weather Watch: 12 PM CDT /11 AM MDT/ to 8 PM CDT /7 PM MDT/ Wednesday * WINDS...Northwest 20 to 30 mph with gusts up to 45 mph Tuesday. Northwest 10 to 20 mph with gusts up to 30 mph Wednesday. * RELATIVE HUMIDITY...As low as 20 percent Tuesday. As low as 15 percent Wednesday. * TEMPERATURES...Upper 60s to middle 70s Tuesday. Upper 70s to lower 80s Wednesday. * LIGHTNING...None expected either day. * IMPACTS...Any fire starts will have a high potential to spread rapidly and will 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. 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 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
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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