Slight risk of severe storms in Southern Indiana Tues. May 10

National Weather Service Storm Prediction Center Day 2 Convective Outlook Mapy for Indiana issued May 9, 2016 shows a slight risk of severe storms in extreme southern Indiana between 8 a.m. EDT May 10 and 8 a.m. EDT May 11, 2016Extreme southern Indiana (shaded in yellow on the map above) has a slight risk of severe storms tomorrow, according to the “Day 2 Convective Outlook” that the National Weather Service Storm Prediction Center issued early this morning. The slight risk area includes Vincennes, Jasper, Corydon and Evansville, among other communities.

A slight risk on a day-two outlook means a 15 percent probability of any one or more of the following types of severe weather occurring within 25 miles of any point between 8 a.m. EDT tomorrow and 8 a.m. EDT Wednesday:

  • Tornado
  • Damaging straight-line severe thunderstorm winds of 58 mph or stronger.
  • Large hail of one inch or more in diameter.

The normal probability of one or more of the above on May 10 is approximately three percent, according to climatology data from the National Severe Storms Laboratory. That means tomorrow’s probabilities in the slight risk area of Indiana are approximately three times what’s normal on May 10.

The SPC plans to update its outlook for tomorrow by 1:30 p.m. EDT.

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