Weather Alert in Oregon
Red Flag Warning issued September 6 at 5:22AM PDT until September 6 at 11:00PM PDT by NWS Medford OR
AREAS AFFECTED: Umpqua Basin; Umpqua National Forest; Western Rogue Basin including the Illinois Valley; Siskiyou Mountains; Eastern Rogue Valley; Southern Oregon Cascades
DESCRIPTION: The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 2 PM this afternoon to 11 PM PDT this evening. * IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In Oregon, portions of Fire Weather Zones 616, 620, and 623, and all of 621, 622, 617. This covers areas mainly along and east of the I-5 corridor to the Cascade Crest, including Roseburg, Grants Pass and Medford. * THUNDERSTORMS...Isolated to scattered thunderstorms expected. Storms are expected to be wet, but lightning strikes outside of precipitation cores may cause many new fire starts. * OUTFLOW WINDS...Gusty and erratic outflow winds of 25 to 35 mph that could travel outward of 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr
INSTRUCTION: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities.
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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