Weather Alert in Washington
Fire Weather Watch issued September 2 at 2:20AM PDT until September 4 at 9:00PM PDT by NWS Spokane WA
AREAS AFFECTED: East Washington Central Cascades
DESCRIPTION: The National Weather Service in Spokane has issued a Fire Weather Watch for Hot, dry, unstable conditions, which is in effect from Wednesday morning through Thursday evening. * Affected Area: East Washington Central Cascades (Zone 696). * Winds: Terrain driven winds 2 to 5 mph becoming northwest 5 to 10 mph in the evening. * Relative Humidities: Minimum humidity: 13 to 19 percent. Humidity recoveries on midslopes within thermal belts of 25-35% * Temperatures: 85 to 100 degrees. * Impacts: Hot, dry, unstable conditions will lead to the potential for rapid fire growth on new or existing fires.
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 Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
Weather Topic: What are Wall Clouds?
Home - Education - Cloud Types - Wall Clouds
Next Topic: Altocumulus Clouds
A wall cloud forms underneath the base of a cumulonimbus cloud,
and can be a hotbed for deadly tornadoes.
Wall clouds are formed by air flowing into the cumulonimbus clouds, which can
result in the wall cloud descending from the base of the cumulonimbus cloud, or
rising fractus clouds which join to the base of the storm cloud as the wall cloud
takes shape.
Wall clouds can be very large, and in the Northern Hemisphere they generally
form at the southern edge of cumulonimbus clouds.
Next Topic: Altocumulus Clouds
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