[MCD] SWOMCD

[Mesoscale Convective Discussions]

ACUS11 KWNS 092312
SWOMCD
SPC MCD 092312 
NEZ000-SDZ000-WYZ000-100045-

MESOSCALE DISCUSSION 1121
NWS STORM PREDICTION CENTER NORMAN OK
0612 PM CDT FRI JUN 09 2006

AREAS AFFECTED...NERN WY...SWRN SD...NWRN NEB

CONCERNING...SEVERE THUNDERSTORM WATCH 454...

VALID 092312Z - 100045Z

NUMEROUS SUPERCELLS HAVE INITIATED ALONG QUASI-STATIONARY BOUNDARY
EXTENDING WEST FROM NERN NEB SFC LOW...ACROSS NWRN NEB...AND INTO
NERN WY. MUCH OF THIS ACTIVITY APPEARS TO HAVE MOVED TOWARD THE
COOLER SIDE OF THE SURFACE BOUNDARY WHERE STRONG DIRECTIONAL SHEAR
AND RELATIVELY MOIST LOW LEVEL INFLOW SHOULD MAINTAIN A THREAT FOR A
FEW ROTATING STORMS CAPABLE OF PRODUCING LARGE AND HIGH WINDS OVER
THE NEXT 1-2 HOURS.

SEVERE THREAT MAY BEGIN TO LESSEN LATER THIS EVENING AS EMPHASIS FOR
STRONGER FORCING TO MAINTAIN CONVECTION SHIFTS EAST OVER PARTS OF
NERN NEB AND SERN SD WHERE WATCH 456 HAS RECENTLY BEEN ISSUED.

..CARBIN.. 06/09/2006

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

ATTN...WFO...LBF...UNR...CYS...

44010230 43039995 41970001 41920111 43040591 44310484 

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