Weather Alert in Idaho
Flash Flood Warning issued August 26 at 6:05PM MDT until August 26 at 9:00PM MDT by NWS Boise ID
AREAS AFFECTED: Boise, ID
DESCRIPTION: FFWBOI The National Weather Service in Boise has issued a * Flash Flood Warning for... East Central Boise County in southwestern Idaho... * Until 900 PM MDT. * At 605 PM MDT, Boise County law enforcement reported numerous 911 calls about rock slides and standing water on Idaho State Highway 21 between Lowman and Grandjean. Flash flooding is ongoing. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, as well as other poor drainage and low-lying areas. Rock slides were reported on Idaho State Highway 21 at mileposts 72 and 76-77. Three feet of water was reported on the road at milepost 80.
INSTRUCTION: Stay away or be swept away. River banks and culverts can become unstable and unsafe. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
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Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
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
Next Topic: Freezing Rain
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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