SWOMCD
SPC MCD 102354
NEZ000-KSZ000-COZ000-110100-
MESOSCALE DISCUSSION 1937
NWS STORM PREDICTION CENTER NORMAN OK
0654 PM CDT WED AUG 10 2011
AREAS AFFECTED...CO...NE...KS
CONCERNING...SEVERE THUNDERSTORM WATCH 764...
VALID 102354Z - 110100Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 764
CONTINUES.
SEVERAL SUPERCELLS ARE LIKELY PRODUCING VERY LARGE HAIL AND SHOULD
CONTINUE TO PLAGUE PARTS OF NERN CO AND THE NEB PNHDL AREA THIS
EVENING WITHIN SEVERE TSTM WATCH 764. THIS ACTIVITY IS LIKELY BEING
SUSTAINED BY LOW THROUGH MID LEVEL ISENTROPIC ASCENT AMIDST A
MODERATELY UNSTABLE AIR MASS WHERE VERTICAL SHEAR AND STEEP LAPSE
RATES REMAIN SUPPORTIVE OF STORM ROTATION AND HAIL PRODUCTION.
LATEST TRENDS INDICATE THESE CELLS ARE MAINTAINING INTENSITY WHILE
DEVELOPING SEWD AROUND 25-30KT. LOW LEVEL THETAE AXIS AND FAVORABLE
STORM INFLOW UP TO 30KT IN THE SFC TO 2KM LAYER MAY RESULT IN STORMS
SPREADING SOUTH OUT OF WW 746. WASHINGTON COUNTY COLORADO MAY BE
ADDED INTO WW 764 PER RECENT COORDINATION WITH WFO BOU.
HOWEVER...WITH TIME...STORMS MAY MOVE INTO PORTIONS OF NWRN KS WHERE
AN ADDITIONAL WATCH MAY BE NEEDED.
..CARBIN.. 08/10/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GID...LBF...DDC...GLD...BOU...CYS...
LAT...LON 39690343 41440395 42580369 42870058 40700013 39499973
38709995 38640250 39100314 39690343
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