Weather Alert in Colorado

Recent Locations: Vail, CO  

Red Flag Warning issued June 20 at 1:41AM MDT until June 21 at 12:00AM MDT by NWS Grand Junction CO

AREAS AFFECTED: Little Snake; White River; Southwest Colorado Lower Forecast Area; Paradox Valley; Northern San Juan; North Fork; Gunnison Basin; Southwest Colorado Upper West Forecast Area; Eastern Uintah Basin; Book Cliffs; Colorado River Basin; Southeast Utah

DESCRIPTION: ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM SATURDAY TO MIDNIGHT MDT SATURDAY NIGHT FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER ZONES 200, 202, 207, 290, 291, 292, 293, 294, 486, 487, 490, AND 491... ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER ZONES 200, 202, 207, 290, 291, 292, 293, 294, 486, 487, 490, AND 491... The National Weather Service in Grand Junction has issued a Fire Weather Watch for gusty winds, low relative humidity and dry fuels, which is in effect from Sunday afternoon through Sunday evening. * AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little Snake Forecast Area, Fire Weather Zone 202 White River Forecast Area, Fire Weather Zone 207 Southwest Colorado Lower Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast Area, Fire Weather Zone 291 Northern San Juan Forecast Area, Fire Weather Zone 292 North Fork Forecast Area, Fire Weather Zone 293 Gunnison Basin Forecast Area and Fire Weather Zone 294 Southwest Colorado Upper West Forecast Area. In Utah, Fire Weather Zone 486 Eastern Uinta Basin, Fire Weather Zone 487 Book Cliffs, Fire Weather Zone 490 Colorado River Basin and Fire Weather Zone 491 Southeast Utah. * TIMING...For the first Red Flag Warning, from 9 AM this morning to midnight MDT tonight. For the second Red Flag Warning, from 9 AM Saturday to midnight MDT Saturday night. For the Fire Weather Watch, from Sunday afternoon through Sunday evening. * WINDS...Southwest 15 to 30 mph with gusts 30 to 50 mph. * RELATIVE HUMIDITY...3 to 8 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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 is Snow?

Home - Education - Precipitation - Snow

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

Weather Topic: What are Stratus Clouds?

Home - Education - Cloud Types - Stratus Clouds

Stratus Clouds Next Topic: Wall Clouds

Stratus clouds are similar to altostratus clouds, but form at a lower altitude and are identified by their fog-like appearance, lacking the distinguishing features of most clouds.

Stratus clouds are wider than most clouds, and their base has a smooth, uniform look which is lighter in color than a nimbostratus cloud. The presence of a stratus cloud indicates the possibility of minor precipitation, such as drizzle, but heavier precipitation does not typically arrive in the form of a stratus cloud.

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