Saturday, June 16, 2012

Mesoscale Discussion 15:38:44.5576075

AREAS AFFECTED...NRN MO...SERN IA AND WRN/NWRN IL

CONCERNING...SEVERE THUNDERSTORM WATCH 400...

VALID 162038Z - 162215Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 400
CONTINUES.

SUMMARY...THREAT FOR ISOLATED DAMAGING WIND AND HAIL WILL PERSIST
THROUGH THE EARLY EVENING FROM NRN MO...SERN IA INTO WRN AND NWRN
IL.

DISCUSSION...STORMS CONTINUE DEVELOPING IN ASSOCIATION WITH COMPACT
VORT MAX FROM SRN IA INTO NRN MO AS WELL AS FARTHER EAST ALONG
CONFLUENCE AXIS IN NWRN IL. MORE ROBUST STORMS WILL REMAIN IN
VICINITY OF THE PROGRESSIVE VORT MAX WHERE VERTICAL SHEAR FROM 35-40
KT IS SUFFICIENT FOR ACTIVITY TO BECOME A LITTLE BETTER ORGANIZED
WITH POTENTIAL FOR FEW STORMS TO DEVELOP MID LEVEL UPDRAFT ROTATION
AND EVOLVE INTO BOWING SEGMENTS. ACTIVITY WILL CONTINUE EWD THROUGH
INSTABILITY AXIS FROM NERN MO...SERN IA INTO NRN IL DURING THE
EVENING.

..DIAL.. 06/16/2012

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LOT...ILX...LSX...DVN...DMX...EAX...

LAT...LON 40059445 41509209 42228951 40388985 39269430 40059445