Weather Alert in Idaho
Red Flag Warning issued August 2 at 7:46AM MDT until August 2 at 8:00PM MDT by NWS Boise ID
AREAS AFFECTED: Owyhee Mountains; Southern Grasslands; Central Canyonlands; Northwestern Vale BLM
DESCRIPTION: The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 2 PM MDT /1 PM PDT/ this afternoon to 8 PM MDT /7 PM PDT/ this evening. * AFFECTED AREA...In Idaho, Fire Weather Zone 423 Owyhee Mountains. In Oregon, Fire Weather Zones 672 Southern Grasslands, 673 Central Canyonlands and 674 Northwestern Vale BLM. * TIMING...From 2 PM MDT /1 PM PDT/ this afternoon to 8 PM MDT /7 PM PDT/ this evening. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 45 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly.
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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
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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