Weather Alert in Iowa

Recent Locations: Mobridge, SD Arthur, NE Ackley, IA

Current Alerts for Ackley, IA: Air Quality Alert

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 is Hail?

Home - Education - Precipitation - Hail

Hail Next Topic: Hole Punch Clouds

Hail is a form of precipitation which is recognized by large solid balls or clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind. As the hailstones remain in the updraft, ice is deposited onto them until their weight becomes heavy enough for them to fall to the earth's surface.

Hail storms can cause significant damage to crops, aircrafts, and man-made structures, despite the fact that the duration is usually less than ten minutes.

Next Topic: Hole Punch Clouds

Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds