[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 112153
SWOMCD
SPC MCD 112153 
KSZ000-NEZ000-112330-

MESOSCALE DISCUSSION 0824
NWS STORM PREDICTION CENTER NORMAN OK
0453 PM CDT WED MAY 11 2005

AREAS AFFECTED...S-CNTRL/SERN NEB INTO N-CNTRL/NEB KS

CONCERNING...TORNADO WATCH 248...

VALID 112153Z - 112330Z

THROUGH 23Z...GREATEST TORNADO THREAT APPEARS TO BE ACROSS NRN AND
CNTRL PORTIONS OF WW AREA.

AS OF 2137Z...HASTINGS/BLUE HILL NEB REFLECTIVITY DATA SHOW OUTFLOW
BOUNDARY SLOWING SAGGING SWD AT 5-10 KTS FROM APPROXIMATELY 10-15
MILES N OF CNK TO AROUND 45 SW OF EAR. RUC OBJECTIVE FIELDS INDICATE
THAT LOW-LEVEL BUOYANCY EXISTS /MLCAPES OF 1500-2500 J/KG/ AS MUCH
AS 50 MILES N OF THIS BOUNDARY WHERE BACKED LOW-LEVEL WINDS ARE
CONTRIBUTING TO MODERATE TO STRONG LOW-LEVEL SHEAR /0-1 KM SRH OF
100-250 M2/S2.

GIVEN THE COLLOCATION OF ENHANCED LOW-LEVEL SHEAR AND MODERATE
INSTABILITY...IT APPEARS THAT GREATEST TORNADO POTENTIAL WILL EXIST
WITH ANY STORMS CROSSING WARM FRONT/OUTFLOW BOUNDARY NWD TO JUST S
OF I-80.

..MEAD.. 05/11/2005

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

ATTN...WFO...OAX...TOP...ICT...GID...DDC...GLD...

40689983 40589675 38689676 38799984 

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