Weather Alert in Iowa
Winter Weather Advisory issued February 19 at 2:41AM CST until February 20 at 6:00AM CST by NWS La Crosse WI
AREAS AFFECTED: Allamakee; Fayette; Clayton; Monroe; Juneau; Adams; Vernon; Crawford; Richland; Grant
DESCRIPTION: ...A QUICK HITTING BAND OF HEAVY SNOW TONIGHT WILL LEAD TO SLIPPERY TRAVEL CONDITIONS... .A band of snow develops across northeast Iowa into southwest Wisconsin this evening and lasts through the overnight, departing around sunrise. The snow will be heavy at times with rates exceeding 1" per hour and quickly lead to snow-covered and slippery roads. The heaviest snow is forecast to fall in a relatively narrow band with amounts quickly decreasing on either side of the band, making this snowfall forecast on the challenging side. Any small changes to the placement of the snow band could change forecast snow amounts at a given location very quickly. * WHAT...Snow with total accumulations between 2 and 5 inches. A narrow corridor of 6 inches is possible within the advisory, but confidence in its placement is low at this time. * WHERE...Portions of northeast Iowa and central, southwest, and west central Wisconsin. * WHEN...From 8 PM this evening to 6 AM CST Friday. * IMPACTS...Plan on slippery road conditions.
INSTRUCTION: Slow down and use caution while traveling. In Iowa, visit 511ia.org for road conditions. In Wisconsin, visit 511wi.gov for road conditions.
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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
Weather Topic: What are Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds
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