Weather Alert in Iowa
Air Quality Alert issued August 1 at 12:38PM CDT by NWS Des Moines IA
AREAS AFFECTED: Lyon; Osceola; Dickinson; Emmet; Kossuth; Winnebago; Worth; Mitchell; Howard; Winneshiek; Allamakee; Sioux; O'Brien; Clay; Palo Alto; Hancock; Cerro Gordo; Floyd; Chickasaw; Plymouth; Cherokee; Buena Vista; Pocahontas; Humboldt; Wright; Franklin; Butler; Bremer; Fayette; Clayton; Woodbury; Ida; Sac; Calhoun; Webster; Hamilton; Hardin; Grundy; Black Hawk; Buchanan; Delaware; Dubuque; Monona; Crawford; Carroll; Greene; Boone; Story; Marshall; Tama; Benton; Linn; Jones; Jackson; Harrison; Shelby; Audubon; Guthrie; Dallas; Polk; Jasper; Poweshiek; Iowa; Johnson; Cedar; Clinton; Muscatine; Scott; Pottawattamie; Cass; Adair; Madison; Warren; Marion; Mahaska; Keokuk; Washington; Louisa; Mills; Montgomery; Adams; Union; Clarke; Lucas; Monroe; Wapello; Jefferson; Henry; Des Moines; Fremont; Page; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis; Van Buren; Lee
DESCRIPTION: The Iowa DNR is extending the Air Quality Alert for all of Iowa through 8 AM Sunday. Moderate to heavy smoke is expected to continue impacting most of Iowa at levels considered unhealthy for sensitive groups or even unhealthy for healthy individuals. Sensitive groups include people with respiratory illness or heart disease, children, teenagers, the elderly, and outdoor workers. The DNR recommends that people avoid long or intense outdoor activities and take frequent breaks until the air quality improves.
INSTRUCTION: N/A
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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
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
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