Weather Alert in Iowa
Winter Storm Warning issued February 20 at 2:40AM CST until February 20 at 9:00AM CST by NWS La Crosse WI
AREAS AFFECTED: Howard; Winneshiek; Allamakee; Floyd; Chickasaw; Fayette; Clayton; Houston; La Crosse; Vernon; Crawford; Richland; Grant
DESCRIPTION: ...MODERATE TO HEAVY SNOW EARLY THIS MORNING... .A winter storm is impacting the region early this morning and gradually winds down later this morning. The band of heaviest snow amounts is expected to be 30 to 40 miles at most. There will be a very sharp cutoff in amounts on the northwest side of the snow band with impacts varying greatly in the span of just a few miles. Road conditions will deteriorate quickly in the band of heavy snow with slippery to hazardous travel conditions expected. * WHAT...Heavy snow with accumulations between 5 and 9 inches. Winds gusting as high as 40 mph. * WHERE...Portions of north central and northeast Iowa, southeast Minnesota, and southwest and west central Wisconsin. * WHEN...Until 9 AM CST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning commute. * ADDITIONAL DETAILS...There will be a sharp cutoff in snow amounts on the northwest side of this warning with impacts varying quickly in the span of a few miles. The city of La Crosse will straddle this line with impacts possibly varying substantially between the north and south sides of the city.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. In Iowa, visit 511ia.org for road conditions. In Minnesota, visit 511mn.org for road conditions. In Wisconsin, visit 511wi.gov for road conditions.
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Weather Topic: What are Cumulus Clouds?
Home - Education - Cloud Types - Cumulus Clouds
Next Topic: Drizzle
Cumulus clouds are fluffy and textured with rounded tops, and
may have flat bottoms. The border of a cumulus cloud
is clearly defined, and can have the appearance of cotton or cauliflower.
Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall,
becoming cumulus congestus and possibly the even taller cumulonimbus clouds.
When cumulus clouds become taller, they have a greater chance of producing precipitation.
Next Topic: Drizzle
Weather Topic: What is Evaporation?
Home - Education - Precipitation - Evaporation
Next Topic: Fog
Evaporation is the process which returns water from the earth
back to the atmosphere, and is another crucial process in the water cycle.
Evaporation is the transformation of liquid into gas, and it happens because
molecules are excited by the application of energy and turn into vapor.
In order for water to evaporate it has to be on the surface of a body of water.
Next Topic: Fog
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