- Day Three
acus02 kwns 250601
Storm Prediction Center ac 250600
Day 2 convective outlook
National Weather Service Storm Prediction Center Norman OK
0100 am CDT Mon Jun 25 2018
Valid 261200z - 271200z
..there is a slight risk of severe thunderstorms across much of
Missouri...Illinois...eastern Iowa...and eastern Kansas...
Scattered strong to severe storms are possible on Tuesday across
eastern Iowa, much of Illinois and Missouri, and eastern Kansas.
..synopsis and discussion...
An upper low will move eastward from Iowa toward the upper Great
Lakes, with a weak surface low in the vicinity of Iowa or northern MO.
Meanwhile, a warm front will northward into southern WI and lower
mi, with a cold front from the surface low southwestward into Kansas.
Early day storms are expected over southern MO into IL, and some of
this activity could contain strong winds. In the wake of this
activity, an instability axis is expected to develop from eastern Kansas
across MO and into IL, which should support additional late-day
activity along the cold front, and, during the day near the surface
Given sufficient air mass recovery, mixed-Mode severe is expected
with supercells and possible small bows by late afternoon and
persisting into the evening. Hail, wind, and isolated tornadoes will
all be possible.
..maximum risk by hazard...
Tornado: 5% - slight
wind: 15% - slight
hail: 15% - slight