Weather Alert in Washington
Heat Advisory issued July 13 at 3:38AM PDT until July 14 at 8:00PM PDT by NWS Spokane WA
AREAS AFFECTED: Okanogan Valley
DESCRIPTION: * WHAT...For the Heat Advisory, high temperatures 98-105 on Sunday and 90-95 on Monday. Overnight low temperatures 65-73. For the High Wind Watch, north winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Omak, Disautel Pass, Oroville, Tonasket, Okanogan, Nespelem, Brewster, and Bridgeport. * WHEN...For the Heat Advisory, until 8 PM PDT Monday. For the High Wind Watch, from Monday afternoon through Monday evening. * IMPACTS...Widespread power outages are possible on Monday. Damaging winds could blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Hot temperatures may cause heat illnesses. Warm low temperatures will limit ability to cool indoor spaces overnight for those without air conditioning. * ADDITIONAL DETAILS...High winds on Monday will be from the north funneling down the Okanogan Valley. The potential for damaging winds will come with the initial surge late in the afternoon. Winds may also pick up blowing dust reducing visibility for a brief period.
INSTRUCTION: Monitor the latest forecasts and warnings for updates. Drink plenty of fluids and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. If you have access to air conditioning, use it, or find a location that does. Even a few hours in a cool location can lower risk. Fans may not be adequate.
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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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