Weather Alert in Iowa
Special Weather Statement issued March 14 at 2:56AM CDT by NWS La Crosse WI
AREAS AFFECTED: Allamakee; Wabasha; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; Buffalo; Trempealeau; Jackson; La Crosse; Monroe; Juneau; Adams; Vernon; Crawford; Richland; Grant
DESCRIPTION: The combination of low relative humidity values, warm temperatures, southeasterly winds, and dry fuels will result in elevated fire weather conditions for this afternoon across southeast Minnesota, southwestern Wisconsin, and far northeast Iowa. Afternoon relative humidity values could fall as low as 25 to 35 percent with winds of 20 to 25 mph, gusting to 30 to 40 mph. Under these conditions, fires will start and spread easily. Please exercise caution with any activities that involve outdoor fires or create sparks, including campfires, grilling, and operating large equipment. Cigarettes should be disposed of and extinguished properly. Please heed any local burn bans.
INSTRUCTION: N/A
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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
Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
