Weather Alert in Iowa
Winter Weather Advisory issued February 27 at 11:59AM CST until February 28 at 6:00PM CST by NWS La Crosse WI
AREAS AFFECTED: Howard; Winneshiek; Allamakee; Dodge; Olmsted; Mower; Fillmore; Houston; Vernon; Crawford; Richland
DESCRIPTION: ...BAND OF SNOW MOVES IN SATURDAY MORNING... .A narrow band of snow will move in from the west on Saturday morning and continue throughout much of the daytime hours. Snowfall rates of an inch an hour will be possible within the band resulting in quick accumulations on roadways. Snowfall amounts within the band will likely range between 2 to 4 inches with locally higher amounts of up to 6 inches possible. The exact location of the heaviest amounts still remains uncertain with a sharp cutoff in amounts possible over just a few miles. As a result, be sure to continue to monitor the forecast for updates as the location of snowfall amounts may still shift. * WHAT...Snow expected. Total snow accumulations between 1 and 4 inches. Locally higher amounts will be possible. * WHERE...Portions of northeast Iowa, southeast Minnesota, and southwest Wisconsin. * WHEN...From 6 AM to 6 PM CST Saturday. * IMPACTS...Plan on slippery road conditions.
INSTRUCTION: Slow down and use caution while traveling. 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 Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
Weather Topic: What is Drizzle?
Home - Education - Precipitation - Drizzle
Next Topic: Evaporation
Drizzle is precipitation in the form of water droplets which are
smaller than raindrops.
Drizzle is characterized by fine, gently falling droplets and typically does not
impact human habitation in a negative way. The exception to this is freezing drizzle,
a condition where drizzle freezes immediately upon reaching earth's surface.
Freezing drizzle is still less dangerous than freezing rain, but can
potentially result in hazardous road conditions.
Next Topic: Evaporation
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