Weather Alert in Utah

Recent Locations: Andrews, NC   Merritt Island, FL   Morgan, UT  

Red Flag Warning issued August 2 at 10:53PM MDT until August 5 at 9:00PM MDT by NWS Salt Lake City UT

AREAS AFFECTED: Southern Ashley National Forest; Tavaputs Plateau; Manti National Forest; San Rafael Swell; Central Utah West Desert; Central Utah Mountains; Henry Mountains; Color Country West Desert; Color Country Mountains; Mojave Desert; Grand Staircase

DESCRIPTION: * AFFECTED AREA...Fire Weather Zone 483 Southern Ashley National Forest, Fire Weather Zone 484 Tavaputs Plateau, Fire Weather Zone 488 Manti National Forest, Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 492 Central Utah West Desert, Fire Weather Zone 493 Central Utah Mountains, Fire Weather Zone 494 Henry Mountains, Fire Weather Zone 495 Color Country West Desert, Fire Weather Zone 496 Color Country Mountains, Fire Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand Staircase. * WINDS...Southwest 10 to 20 mph with gusts to 25 to 35 mph both Monday and Tuesday afternoons. * RELATIVE HUMIDITY...Falling into the 5 to 9 percent range each afternoon with very poor overnight recoveries. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.

INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

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Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Stratocumulus Clouds Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds

Weather Topic: What are Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

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