Weather Alert in Oregon
Red Flag Warning issued July 2 at 2:33PM MDT until July 3 at 12:00AM MDT by NWS Boise ID
AREAS AFFECTED: Burns BLM; Southern Grasslands
DESCRIPTION: ...RED FLAG WARNING FOR SCATTERED LIGHTNING TODAY AND TOMORROW... .Scattered thunderstorms will develop THIS afternoon and evening and AGAIN tomorrow afternoon and evening across southeast Oregon. Some of the storms will contain little rainfall, gusty outflow winds, and combined with hot temperatures and low humidity will lead to critical fire weather conditions. ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT THURSDAY FOR LIGHTNING FOR BURNS BLM AND SOUTHERN GRASSLANDS...WHICH ARE FIRE WEATHER ZONES 670 AND 672... The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 2 PM to 8 PM PDT Thursday. * AFFECTED AREA...In Oregon, Fire Weather Zones 670 Burns BLM and 672 Southern Grasslands. * TIMING...For the first Red Flag Warning, until 11 PM PDT this evening. For the second Red Flag Warning, from 2 PM to 8 PM PDT Thursday. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Scattered. * OUTFLOW WINDS...Isolated gusts up to 50 mph.
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 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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