Weather Alert in California
Heat Advisory issued June 8 at 3:35AM PDT until June 9 at 8:00PM PDT by NWS Medford OR
AREAS AFFECTED: Western Siskiyou County; Central Siskiyou County; Central Douglas County; Eastern Curry County and Josephine County; Jackson County
DESCRIPTION: * WHAT...High temperatures of 95 to 103 degrees expected. * WHERE...The Umpqua, Rogue, Applegate, and Illinois valleys in Douglas, Jackson and Josephine counties, and the Shasta, Scott, Klamath, and Salmon valleys in Siskiyou County. This includes Medford, Ashland, Grants Pass, Provolt, Cave Junction, Yreka, Happy Camp, Fort Jones, Somes Bar, Sawyers Bar, Roseburg, Camas Valley, Canyonville, Sutherlin, Drain, and Elkton. * WHEN...From 11 AM this morning to 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Area rivers remain cold and dangerous due to ongoing mountain snowmelt. Practice cold water safety if seeking relief from hot temperatures in area waterways.
INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
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Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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