Weather Alert in Oregon
Winter Storm Warning issued February 18 at 4:58AM PST until February 19 at 10:00AM PST by NWS Medford OR
AREAS AFFECTED: Eastern Curry County and Josephine County
DESCRIPTION: * WHAT...For the Winter Weather Advisory below 1500 ft, wet snow expected. Additional snow accumulations of 1 to 3 inches. For the Winter Storm Warning above 1500 ft, heavy snow expected. Additional snow accumulations 3 to 6 inches for the passes north of I-5, and the Illinois Valley except up to 10 inches for the southern portions of the Illinois Valley. 1 to 2 ft in the Kalmiopsis Wilderness region. * WHERE...For the Winter Weather Advisory below 1500 ft, this includes Grants Pass, Wilderville, Merlin, Galice and Agness as well as portions of I-5 and Highway 199. For the Winter Storm Warning above 1500 ft, this includes Cave Junction, Obrien, Selma and Wolf Creek. This also includes portions of I-5 and Highway 199 and the Sexton Pass, Smith Hill and Stage Pass on I-5, Hayes Hill on Highway 199 and Bear Camp road in the Kalmiopsis Wilderness. * WHEN...Until 10 AM PST Thursday. * IMPACTS...Travel may be very difficult to impossible. The hazardous conditions could impact morning and evening commutes. * ADDITIONAL DETAILS...Another round of snowfall is expected tonight into Thursday. Visit weather.gov/mfr/winter for additional snow probabilities
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit tripcheck.com for road information. Slow down and use caution while traveling. Call 511 or visit tripcheck.com for road information.
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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
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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