Weather Alert in California
Special Weather Statement issued February 18 at 4:58AM PST by NWS Eureka CA
AREAS AFFECTED: Southwestern Humboldt
DESCRIPTION: At 458 AM PST, Doppler radar was tracking a strong shower 5 miles southwest of Petrolia, or 11 miles west of Honeydew, moving east at 25 mph. HAZARD...Hazardous conditions to motorists. SOURCE...Radar indicated. IMPACT...Accumulating small hail over roadways and hazardous conditions to motorists. Locations impacted include... Honeydew and Petrolia and Mattole Rd.
INSTRUCTION: Exercise caution when driving over small hail. Small hail can quickly accumulate on roadways resulting in slippery conditions. Go easy on brakes and steering to avoid spin-outs.
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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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