Weather Alert in Iowa
Winter Weather Advisory issued March 15 at 1:34AM CDT until March 15 at 1:00PM CDT by NWS La Crosse WI
AREAS AFFECTED: Fayette; Clayton
DESCRIPTION: ...DANGEROUS WINTER STORM TO IMPACT THE REGION THROUGH MONDAY MORNING... .A dangerous and potentially historic winter storm will impact the region through Monday morning. Snow rates north of Interstate 90 will increase throughout the overnight. By early Sunday morning snowfall rates of 2 to 4 inches per hour are likely across portions of northern Clark and Taylor Counties. Mixed precipitation is likely near I-90 Sunday morning where freezing rain accumulations of one to three tenths of an inch of ice is likely. By Sunday afternoon, much of the area will switchover to snow with wind gusts increasing to 35 to 55 mph. This will result in widespread visibilities reductions to 1/4 mile or less at times where the Blizzard Warning is in effect. Storm total snow accumulations will likely approach all-time records in north-central Wisconsin with 18 to 36 inches of snow expected north of Interstate 94. Travel will be impossible for much of the area throughout the storm. Any travel should be reserved for emergencies only. Power outages and tree damage will be possible with the combination of heavy snow, ice, and increasing winds on Sunday. * WHAT...For the Winter Weather Advisory, freezing rain and sleet. Additional ice accumulations around a light glaze. Winds gusting as high as 35 mph. For the Blizzard Warning, blizzard conditions expected. Total snow accumulations between 4 and 6 inches. Winds gusting as high as 55 mph. * WHERE...In northeast Iowa, Clayton and Fayette Counties. * WHEN...For the Winter Weather Advisory, until 1 PM CDT this afternoon. For the Blizzard Warning, from 1 PM this afternoon to 7 AM CDT Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. Strong winds could cause tree damage.
INSTRUCTION: Slow down and use caution while traveling. Prepare for possible power outages. In Iowa, visit 511ia.org for road conditions. In Wisconsin, visit 511wi.gov for road conditions. Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. Visit 511ia.org for road conditions.
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Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
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