SWOMCD
SPC MCD 171437
TNZ000-KYZ000-ILZ000-MOZ000-171630-
MESOSCALE DISCUSSION 0984
NWS STORM PREDICTION CENTER NORMAN OK
0937 AM CDT THU JUN 17 2010
AREAS AFFECTED...SERN MO...SRN IL...WRN KY AND PORTIONS OF
WRN...MIDDLE AND ERN TN
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 171437Z - 171630Z
POTENTIAL EXISTS FOR STORMS TO INTENSIFY NEXT FEW HOURS FROM SERN MO
THROUGH SRN IL...WRN KY INTO PORTIONS OF TN. DAMAGING WIND WILL BE
THE MAIN THREAT...BUT ISOLATED HAIL WILL ALSO BE POSSIBLE. TRENDS
ARE BEING MONITORED FOR A SEVERE THUNDERSTORM WATCH.
A QUASI-STATIONARY FRONT EXTENDS FROM NC WWD THROUGH NRN TN...WRN
KY...INTO ERN AND NRN MO. MODERATE INSTABILITY EXISTS ALONG AND
SOUTH OF THE FRONT WITH 2000 J/KG MLCAPE . THE ATMOSPHERE WILL
DESTABILIZE FURTHER AS THE SURFACE LAYER WARMS. A COUPLE OF STORM
CLUSTERS PERSISTS THIS MORNING ALONG WITH THEIR ATTENDANT MCV
CIRCULATIONS. ONE CLUSTERS WAS LOCATED FROM SERN MO INTO SRN IL WITH
ANOTHER ONE IN NRN MIDDLE TN MOVING SEWD AT AROUND 25 KT. STORMS ARE
EMBEDDED WITHIN 20-25 KT NWLY FLOW ALOFT BENEATH SELY BOUNDARY LAYER
WINDS RESULTING IN 30-35 KT BULK SHEAR. STORMS MAY EVENTUALLY
INTENSIFY AND BECOME FORWARD PROPAGATING ALONG WITH AN INCREASING
THREAT OF DAMAGING WIND AS THE BOUNDARY LAYER DESTABILIZES.
..DIAL.. 06/17/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MRX...LMK...OHX...HUN...PAH...MEG...LSX...
LAT...LON 37968982 37418840 36728633 36238432 35288500 35158649
35658833 36568994 37739094 37968982
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