[MCD] SWOMCD

Tue Jun 20 23:16:22 UTC 2006

ACUS11 KWNS 202317
SWOMCD
SPC MCD 202316 
SDZ000-NEZ000-210045-

MESOSCALE DISCUSSION 1264
NWS STORM PREDICTION CENTER NORMAN OK
0616 PM CDT TUE JUN 20 2006

AREAS AFFECTED...SRN SD

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 202316Z - 210045Z

SEVERE STORMS WILL MOVE OUT OF NEBRASKA INTO SRN SD. CONDITIONS ARE
FAVORABLE FOR SUSTAINING SEVERE STORMS. IN ADDITION...A FEW MORE
STORMS MAY FORM OVER SWRN SD. THUS A WW MAY BE REQUIRED.

LEFT MOVING SUPERCELL OVER NW NEBRASKA WILL CONTINUE NEWD INTO SD.
MODERATE INSTABILITY IS IN PLACE ACROSS SRN SD WITH A BROAD ZONE OF
STRONG DEEP LAYER SHEAR DUE TO UPPER TROUGH WHICH WILL BE SUFFICIENT
TO SUSTAIN SEVERE CONVECTION. LARGE HAIL AND DAMAGING WIND GUSTS
WILL BE LIKELY WITH ANY LEFT MOVING STORMS.IN ADDITION...FURTHER
DEVELOPMENT IS POSSIBLE ALONG COLD FRONT AS IT SHIFTS SEWD ACROSS
WRN SD BENEATH STRONG COOLING ALOFT.

..JEWELL.. 06/20/2006

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

ATTN...WFO...FSD...ABR...LBF...UNR...CYS...

43000276 42990404 43830400 44560065 44459976 43809885
42979969 

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