During the afternoon of July 6, 2015, a cold front generated a broken line of strong showers (preliminary data indicated that no lightning was detected with this activity) over central and northeast Wisconsin within a very moist and unstable airmass (radar reflectivity loop below). A few of the cells embedded within and just ahead of the line were able to briefly generate sufficient rotation in the lower levels to spawn three tornadoes (see preliminary tornado map below). Brief torrential downpours also accompanied this activity.
破坏图我2L发
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发表于 2015-7-9 18:58
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[img=1600,1200]http://www.weather.gov/images/grb/DSCF0385.JPG
[/img]插进去了
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