Weather Alert in Washington
Fire Weather Watch issued July 28 at 9:46PM PDT until July 30 at 11:00PM PDT by NWS Pendleton OR
AREAS AFFECTED: East Washington South Central Cascade Mountains
DESCRIPTION: ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT TUESDAY FOR ABUNDANT LIGHTNING... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR ABUNDANT LIGHTNING... .Elevated fire weather concerns due to thunderstorms and continued hot and dry conditions through midweek. While these storms may produce wetting rains, there is still high confidence in the probability of isolated dry thunderstorms embedded both Tuesday and Wednesday. Daytime RHs will be in the teens to low 20s. Gusty and erratic winds can occur around thunderstorms with gusts up to 45-60 mph. The National Weather Service in Pendleton has issued a Fire Weather Watch for abundant lightning, which is in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA...Fire Weather Zone 695 East Washington South Central Cascade Mountains. * TIMING...From Wednesday afternoon through Wednesday evening. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Scattered coverage with abundant lightning as well as 10-35% chances of dry isolated storms embedded. * OUTFLOW WINDS...Gusty erratic winds up to 40-55 mph.
INSTRUCTION: 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 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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