SWOMCD
SPC MCD 111906
ILZ000-MOZ000-KSZ000-112000-
MESOSCALE DISCUSSION 1252
NWS STORM PREDICTION CENTER NORMAN OK
0206 PM CDT SUN JUL 11 2010
AREAS AFFECTED...ERN KS...CENTRAL MO
CONCERNING...TORNADO WATCH 451...
VALID 111906Z - 112000Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 451 CONTINUES.
SEVERAL CLUSTERS OF SEVERE STORMS ARE MOVING ESEWD FROM WEST CENTRAL
INTO CENTRAL MO...WITH AN ADDITIONAL SEVERE STORM ALONG THE OUTFLOW
BOUNDARY EXTENDING NWWD INTO EXTREME NERN KS. THE STORM CLUSTER
OVER HENRY CNTY MO HAS TRANSITIONED FROM A WELL-DEFINED SUPERCELL TO
A BOW ECHO WITH INCREASING THREAT FOR DAMAGING WIND GUSTS. STORMS
ARE BEING SUPPORTED BY SWLY INFLOW OF MOIST UNSTABLE AIR MASS WITH
MLCAPE OF 2000-2500 J/KG. PROXIMITY OF STRONGER WLY MID/UPPER LEVEL
JET ACROSS KS AND MO IS PROVIDING 40-50 KT EFFECTIVE BULK SHEAR
INDICATING HIGH POTENTIAL FOR SEVERE STORMS TO CONTINUE NEXT SEVERAL
HOURS. WW 451 IS SCHEDULED TO EXPIRE AT 21Z AND A NEW WW BYD 21Z
WILL LIKELY BE NEEDED.
..WEISS.. 07/11/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LSX...SGF...EAX...TOP...ICT...
LAT...LON 39149521 38919008 37659034 37889514 39149521
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