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June2008

机译:2008年6月

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摘要

Blinding Midwestern rains in late May and early June pushed rivers to record-setting levels in parts of Illinois, Indiana, Iowa, and Wisconsin. On June 17, the mighty Mississippi River surged above the historic July 1993 flood crest from Keithsburg, Illinois, to Burlington, Iowa. Farther downstream, the Mississippi burst through several levees in Illinois, Iowa, and Missouri while climbing to its second- or third-highest level on record, behind July 1993 and April 1973 from Keokuk, Iowa, to Winfield, Missouri. Many Mississippi River tributaries also flooded, with the Cedar River at Cedar Rapids, Iowa, surging 19.12 feet above flood stage and eclipsing the previous record crest by a stunning 11.12 feet. Heavy rain also pelted the east-central and southeastern Plains, although those areas avoided major flooding. In contrast, drought worsened across the southern half of the High Plains, in spite of occasional showers, due to hot weather and pre-existing sub-soil moisture shortages. Drought intensified across most of the South, except in Florida, where rainfall curbed irrigation demands and reduced the wildfire threat.
机译:5月下旬和6月初,中西部地区的降雨致盲,使伊利诺伊州,印第安纳州,爱荷华州和威斯康星州的部分地区的河流水位达到创纪录的水平。 6月17日,强大的密西西比河从1993年7月从伊利诺伊州基思斯堡到爱荷华州伯灵顿的洪峰升起。在更远的下游,密西西比州冲破了伊利诺伊州,爱荷华州和密苏里州的几条堤坝,同时攀升至有记录的第二或第三高水平,从1993年7月和1973年4月从爱荷华州的Keokuk到密苏里州的温菲尔德。许多密西西比河支流也被洪水淹没,爱荷华州锡达拉皮兹的锡达河在洪水位高出19.12英尺,使先前的记录波峰高出惊人的11.12英尺。大雨也使东部中部和东南部的平原遭受大雨,尽管这些地区避免了大洪水。相反,由于炎热的天气和预先存在的次土壤水分短缺,尽管偶尔有阵雨,但高平原南部的干旱加剧了。除佛罗里达州外,南部大部分地区的干旱加剧,那里的降雨限制了灌溉需求并减少了野火威胁。

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