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145:"Changing the climate is likely to increase the frequency of floods in Iowa. Over the last half century, average annual precipitation in most of the Midwest has increased by 5 to 10 percent. But rainfall during the four wettest days of the year has increased about 35 percent, and the amount of water flowing in most streams during the worst flood of the year has increased by more than 20 percent. During the next century, spring rainfall and average precipitation are likely to increase, and severe rainstorms are likely to intensify. Each of these factors will tend to further increase the risk of flooding".
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213:"Although springtime in Iowa is likely to be wetter, summer droughts are likely to be more severe. Higher evaporation and lower summer rainfall are likely to reduce river flows. The drought of 2012 narrowed navigation channels, forced lock closures, and caused dozens of barges to run aground on the Mississippi River, which cost the region more than $ 275 million".
240:"Changing the climate will have favorable and harmful effects on farming, although the net effect is unknown. Longer frost-free growing seasons and higher concentrations of atmospheric carbon dioxide would increase yields for many crops during an average year. But increasingly hot summers are likely to reduce yields of
248:. Higher temperatures are also likely to reduce livestock productivity, because heat stress disrupts the animals' metabolism. Seventy years from now, Iowa is likely to have 10 to 20 more days per year with temperatures above 95°F than it has today. More severe droughts or floods would also hurt crop yields".
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will change. Rising concentrations of greenhouse gases tend to increase humidity, and thus, atmospheric instability, which would encourage tornadoes. But wind shear is likely to decrease, which would discourage tornadoes. Research is ongoing to learn whether tornadoes will be more or less frequent in
347:
Angel, J.; C. Swanston; B.M. Boustead; K.C. Conlon; K.R. Hall; J.L. Jorns; K.E. Kunkel; M.C. Lemos; B. Lofgren; T.A. Ontl; J. Posey; K. Stone; G. Tackle; D. Todey (2018). "Midwest". In
Reidmiller, D.R.; C.W. Avery; D.R. Easterling; K.E. Kunkel; K.L.M. Lewis; T.K. Maycock; B.C. Stewart (eds.).
112:"Iowa's climate is changing. Most of the state has warmed one-half to one degree (F) in the last century, and floods are becoming more frequent. In the coming decades, the state will have more extremely hot days, which may harm public health in urban areas and corn harvests in rural areas".
194:"Flooding occasionally threatens both navigation and riverfront communities, and greater river flows could increase these threats. In April and May 2011, a combination of heavy rainfall and melting snow caused a flood that closed the
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also reported that "ntense heat waves could prevent corn and soybeans from pollinating", and that "eavy spring rains — likely followed by summer droughts — will tighten an already shortened planting window".
202:, which damaged property and closed the river to navigation. These floods caused $ 85 million in direct damages along the Missouri, with the most extensive property damage and crop loss occurring between
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Impacts, Risks, and
Adaptation in the United States: Fourth National Climate Assessment, Volume II (Report). Washington, DC, USA: U.S. Global Change Research Program. pp. 872–940.
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the future. Because Iowa experiences about 50 tornadoes a year, such research is closely followed by meteorologists in the state".
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292:"Wetter springs, hotter summers: Climate change threatens Iowa farm economy"
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1027:Honey Lands
969:State Parks
942:Libertarian
910:LGBT rights
893:Legislature
856:Environment
827:Delegations
782:Archaeology
680:Territories
526:Mississippi
441:Connecticut
217:Agriculture
103:agriculture
1716:Categories
1668:Winneshiek
1648:Washington
1568:Pocahontas
1533:Montgomery
1333:Des Moines
1223:Black Hawk
1160:Sioux City
1145:Mason City
1125:Fort Dodge
1115:Des Moines
1085:Burlington
1080:Bettendorf
947:Republican
937:Democratic
787:Area codes
764:Des Moines
641:Washington
561:New Mexico
556:New Jersey
431:California
274:References
204:Sioux City
159:Lake Delhi
51:Wikisource
1663:Winnebago
1633:Van Buren
1583:Poweshiek
1558:Palo Alto
1538:Muscatine
1443:Jefferson
1338:Dickinson
1283:Chickasaw
1208:Appanoose
1203:Allamakee
1165:Urbandale
1150:Muscatine
1130:Iowa City
1110:Davenport
1052:Siouxland
844:Elections
767:(capital)
651:Wisconsin
616:Tennessee
521:Minnesota
496:Louisiana
167:tornadoes
149:Tornadoes
47:Wikiquote
34:contains
1673:Woodbury
1588:Ringgold
1563:Plymouth
1518:Mitchell
1508:Marshall
1418:Humboldt
1403:Harrison
1388:Hamilton
1363:Franklin
1328:Delaware
1308:Crawford
1278:Cherokee
1238:Buchanan
1185:Counties
1170:Waterloo
871:Gun laws
866:Governor
849:Caucuses
837:Senators
636:Virginia
586:Oklahoma
566:New York
541:Nebraska
531:Missouri
516:Michigan
506:Maryland
491:Kentucky
471:Illinois
446:Delaware
436:Colorado
426:Arkansas
257:See also
246:soybeans
59:May 2022
1658:Webster
1638:Wapello
1548:Osceola
1543:O'Brien
1498:Mahaska
1493:Madison
1463:Kossuth
1448:Johnson
1433:Jackson
1393:Hancock
1383:Guthrie
1368:Fremont
1353:Fayette
1343:Dubuque
1323:Decatur
1303:Clinton
1298:Clayton
1258:Carroll
1253:Calhoun
1213:Audubon
1155:Ottumwa
1120:Dubuque
1100:Clinton
994:Regions
979:Symbols
915:Museums
876:History
802:Capitol
656:Wyoming
631:Vermont
536:Montana
476:Indiana
456:Georgia
451:Florida
421:Arizona
411:Alabama
227:Le Mars
1683:Wright
1643:Warren
1623:Taylor
1603:Shelby
1528:Monroe
1523:Monona
1503:Marion
1478:Louisa
1458:Keokuk
1438:Jasper
1413:Howard
1398:Hardin
1378:Grundy
1373:Greene
1313:Dallas
1288:Clarke
1248:Butler
1233:Bremer
1218:Benton
1135:Marion
1075:Ankeny
920:People
903:Senate
774:Topics
591:Oregon
546:Nevada
486:Kansas
461:Hawaii
416:Alaska
404:States
161:, 2010
133:, 2010
131:Colfax
1678:Worth
1653:Wayne
1628:Union
1613:Story
1608:Sioux
1598:Scott
1513:Mills
1483:Lucas
1453:Jones
1408:Henry
1358:Floyd
1348:Emmet
1318:Davis
1268:Cedar
1228:Boone
1198:Adams
1193:Adair
898:House
888:Index
822:Crime
750:State
621:Texas
501:Maine
466:Idaho
326:(PDF)
1618:Tama
1573:Polk
1553:Page
1488:Lyon
1473:Linn
1428:Iowa
1293:Clay
1263:Cass
1070:Ames
954:Seal
861:Flag
812:Code
754:Iowa
693:Guam
626:Utah
581:Ohio
481:Iowa
242:corn
206:and
91:Iowa
1593:Sac
1468:Lee
1423:Ida
752:of
350:doi
210:".
1718::
328:.
306:^
294:.
282:^
109::
93:.
742:e
735:t
728:v
389:e
382:t
375:v
356:.
352::
300:.
61:)
57:(
53:.
39:.
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