143
ACUS3 KMKC 111536
SWOMCD
MKC MCD 111536
IAZ000-MOZ000-ILZ000-111800-

SPC MESOSCALE DISCUSSION 0486 FOR ERN IA..NERN MO..NWRN IL
CONCERNING...SEVERE THUNDERSTORM POTENTIAL...OUTLOOK UPGRADE...

WILL UPGRADE TO HIGH RISK OVER THIS AREA FOR THE 1630Z OUTLOOK.
COMBINATION OF EXTREME WIND SHEAR...MID 60F SURFACE DEW POINTS AND
STRONG PRESSURE FALLS IS EXPECTED TO SUPPORT THE THREAT OF AN
OUTBREAK OF TORNADOES ACROSS THE AREA THROUGH THE EVENING.  1630Z
OUTLOOK WILL PROVIDE FURTHER DETAILS.

..EVANS.. 04/11/01