Weather Alert in California
Heat Advisory issued July 11 at 12:42PM PDT until July 16 at 11:00AM PDT by NWS Reno NV
AREAS AFFECTED: Surprise Valley California; Mineral and Southern Lyon Counties; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake; Northern Washoe County
DESCRIPTION: * WHAT...High temperatures of 98-105 degrees expected with overnight low temperatures in the upper 60s and lower 70s. Widespread Major HeatRisk with isolated areas of Extreme HeatRisk. * WHERE...In California, Surprise Valley California. In Nevada, Northern Washoe County, Western Nevada Basin and Range including Pyramid Lake, Greater Reno-Carson City-Minden Area, and Mineral and Southern Lyon Counties. * WHEN...From 11 AM Saturday to 11 AM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during heat events, particularly for those working or participating in outdoor activities.
INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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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
Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
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