This may occur after low-lying fields have been flooded following a severe thunderstorm or intensive irrigation.

这可能发生在一场大雷雨或集中灌溉使低洼田被淹没之后。

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Parts of Oklahoma are still under a severe thunderstorm warning and tornado watch. That's after a night of damaging storms.

经过一晚的狂风暴雨的侵袭，俄克拉荷马州的部分地区仍处在暴雨飓风警报中。

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The storm churned eastward, prompting severe thunderstorm and flash-flood warnings in eastern Tennessee and western portions of the Carolinas.

CNN: High winds, tornado trap Georgia residents, turn over cars

During Arizona's batting practice before the game, an announcement was made that the area was under a severe thunderstorm warning.

NPR: Dbacks, Rangers Postponed By Unplayable Field

At this time, tornado and severe thunderstorm forecasts were renamed "watches" to correspond with products issued by the National Hurricane Center.

CNN: STORY HIGHLIGHTS