Weather Alert in Alaska
Winter Storm Warning issued March 18 at 9:41PM AKDT until March 19 at 7:00AM AKDT by NWS Juneau AK
AREAS AFFECTED: City and Borough of Juneau
DESCRIPTION: ...HIT OR MISS SNOW SHOWERS CONTINUE THROUGH THE WEEK... .Snow showers from the Gulf of Alaska will continue through Friday morning at least. Snowfall accumulations of 6 to 14 inches are expected through Friday, with some locally higher amounts possible. A steadier band of snow has set up near Juneau this evening, with 1 inch per hour snowfall rates. A short fused Winter Storm Warning has been issued for Juneau through Wednesday night. A more organized area of showers is expected to impact the NE gulf coast on Thursday bringing more intense snow falls which has prompted the addition of winter storm warnings for Yakutat and Pelican. However, accumulations will be limited during the daytime due to warmer temperatures as we are now into the latter half of March. In addition, snowfall accumulations will be widely variable across the area due to the hit or miss nature of the showers, however rates as high as 1 inch per hour and visibilities down to 1/2 mile or less will be possible within any heavier showers that repeatedly move over the same location. Advisories could be upgraded to short-fuse Winter Storm Warnings if heavier snow showers continue over the same area. A relative lull in the heaviest showers is likely for some areas on Friday, but more snow may sweep into the panhandle for the weekend. * WHAT...For the Winter Storm Warning, heavy snow, with 4 to 7 inches of snow accumulations through Wednesday night. For the Winter Weather Advisory, snow expected, with an additional 4 to 7 inches of snow accumulations Thursday morning through Thursday night. Visibilities reduced to 1/2 mile or less at times. * WHERE...City and Borough of Juneau. * WHEN...For the Winter Storm Warning, until 7 AM AKDT Thursday. For the Winter Weather Advisory, from 7 AM Thursday to 4 AM AKDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. * ADDITIONAL DETAILS...Snow has become more stratiform and steady Wednesday evening as a frontal boundary straddles the region and a wave passes through northern panhandle. Snow is expected to again become more showery and convective on Thursday. Amounts could be highly variable.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water with you in case of an emergency. Slow down and use caution while traveling. People are urged to prepare their property before the onset of winter weather. For the latest road conditions, where available, call 5 1 1 or visit 511.alaska.gov.
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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
Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
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