Weather Alert in Alaska
Special Weather Statement issued August 25 at 5:41PM AKDT by NWS Anchorage AK
AREAS AFFECTED: Bristol Bay Borough (Naknek and King Salmon); Lake Iliamna / Nila Vena / Nanvarpak
DESCRIPTION: Strong southeasterly winds up to 45 mph have resulted in the resuspension of ash from the 1912 Katmai-Novarupta eruption across central Lake and Peninsula Borough and could work into eastern Bristol Bay Borough. Communities in central Lake and Peninsula Borough, including Igiugig, may observe reduced visibility as a result of the ash. Resuspended ash may work into eastern Bristol Bay Borough, and the communities of King Salmon and Naknek may see hazy conditions. Those with respiratory ailments in these areas are encouraged to avoid or reduce outdoor activity to avoid inhaling the ash. Rain begins to move into the region Tuesday which should allow ash impacts to cease by Tuesday night.
INSTRUCTION: N/A
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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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