Weather Alert in Oregon
Red Flag Warning issued July 2 at 2:07PM PDT until July 2 at 9:00PM PDT by NWS Pendleton OR
AREAS AFFECTED: Central Mountains of Oregon; Warm Springs Reservation
DESCRIPTION: ...DRY AND BREEZY TO WINDY CONDITIONS ACROSS THE COLUMBIA BASIN, CENTRAL OREGON, AND KITTITAS VALLEY TODAY... .West winds through the Cascade gaps coupled with low relative humidities will lead to critical fire weather conditions across the Kittitas Valley, Columbia Basin, and portions of central Oregon this afternoon and evening. Isolated lightning will also occur in portions of central and eastern Oregon. The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 9 PM PDT this evening. * AFFECTED AREA...Fire Weather Zones 700 Central Mountains of Oregon and 703 Warm Springs Reservation. * TIMING...Until 9 PM PDT this evening. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent.
INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
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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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