Weather Alert in Arizona
Flash Flood Warning issued September 4 at 12:40PM MST until September 4 at 3:45PM MST by NWS Flagstaff AZ
AREAS AFFECTED: Coconino, AZ
DESCRIPTION: FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for...The South Canyon Wash Basin downstream of the Dragon Bravo Fire...in Coconino County in north central Arizona...this includes the Colorado River between river miles 32 and 48. * Until 345 PM MST /445 PM MDT/. * At 1240 PM MST /140 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain over the South Canyon Wash Basin downstream of the Dragon Bravo Fire. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow moving through the South Canyon Wash and other washes downriver to river mile 48. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the South Canyon Wash Basin downstream of the Dragon Bravo Fire. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the South Canyon Wash Basin downstream of the Dragon Bravo Fire. * Some locations that will experience flash flooding include... Grand Canyon National Park, Bert Loper's Boat, Royal Arches, Triple Alcoves, Point Hansbrough, Anasazi Foot Bridge and Saddle Mountain Wilderness. This includes the Colorado River between river miles 32 and 48. This includes the following recreation areas and campgrounds... South Canyon Camp Site, Below Redwall Camp Site, Little Redwall Camp Site, Nautiloid Camp Site, Tatahatso Wash Camp Site, Tatahatso Camp Site, Above Martha's Camp Site, Martha's Camp Site, Redbud Alcove Camp Site, MCD Site Camp Site, Upper Buck Farm Camp Site, Buck Farm Camp Site, Below Buck Farm Camp Site, Loper's Boat Camp Site, Royal Arches Camp Site, Anasazi Bridge Camp Site, Lower Anasazi Camp Site, President Harding Camp Site, Eminence Camp Site, Above Willie Taylor Camp Site, Willie Taylor Camp Site, Triple Alcoves Camp Site, Duck N Quack Camp Site, Upper Saddle Camp Site and Lower Saddle Camp Site. This includes the following creeks, washes and rivers... Saddle Canyon, Colorado River, Buck Farm Canyon, South Canyon, "Bert's Canyon", Nautiloid Canyon, Tatahoysa Wash, "Redbud Alcove" and Tatahatso Wash.
INSTRUCTION: This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the South Canyon Wash Basin downstream of the Dragon Bravo Fire. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety.
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Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
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Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
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A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
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