Weather Alert in Washington
Winter Weather Advisory issued March 31 at 7:57PM PDT until April 2 at 11:00AM PDT by NWS Spokane WA
AREAS AFFECTED: Okanogan Highlands
DESCRIPTION: * WHAT...Snow expected Above 4000 feet. Total snow accumulations between 3 and 8 inches. * WHERE...Sherman Pass, Boulder Creek Road, Highway 20 Wauconda Summit, and Chesaw Road. * WHEN...From 5 AM Wednesday to 11 AM PDT Thursday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Light snow is expected on Wednesday with areas of slick driving conditions in the morning over the mountain passes. Snow will increase Wednesday evening with winter travel conditions through the night into early Thursday.
INSTRUCTION: Slow down and use caution while traveling. For the latest travel information in Washington, go to https://wsdot.wa.gov/travel
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North America Water Vapor (Moisture)
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Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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