Weather Alert in California
Red Flag Warning issued June 30 at 11:30AM PDT until June 30 at 11:00PM PDT by NWS Eureka CA
AREAS AFFECTED: Lower Middle Klamath; Hoopa; Van Duzen/Mad River; W Mendocino NF/E Mendocino Unit; Trinity
DESCRIPTION: ...SCATTERED DRY LIGHTNING IS LIKELY MONDAY AND TUESDAY AFTERNOON ACROSS THE INTERIOR MOUNTAINS... .A pulse of moisture moving up the Central Valley combined with very hot and dry surface conditions and moderate easterly winds will combine to create scattered dry thunderstorms over the interior mountains. Any storms that do form will likely produce wetting rain in the cores but lightning is possible far from these cores in areas that will remain dry. Storms Monday are most likely over Northern Trinity and Interior Humboldt with moderate movement towards the coast. Storms Tuesday will be more stationary and are most likely to form over Trinity, Northern Mendocino and possibly Del Norte. The National Weather Service in Eureka has issued a Red Flag Warning, which is in effect from 11 AM to 11 PM PDT Tuesday. The Fire Weather Watch is no longer in effect. * OUTFLOW WINDS...Gusty and erratic outflow winds are possible up to 50 mph. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
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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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