[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 122013
SWOMCD
SPC MCD 122013 
KSZ000-122145-

MESOSCALE DISCUSSION 0842
NWS STORM PREDICTION CENTER NORMAN OK
0313 PM CDT THU MAY 12 2005

AREAS AFFECTED...PORTIONS CENTRAL/SWRN KS

CONCERNING...SEVERE THUNDERSTORM WATCH 258...

VALID 122013Z - 122145Z

SCATTERED TSTMS EXPECTED TO CONTINUE MOVING NEWD THROUGH WW WITH
LARGE HAIL REMAINING MAIN SEVERE THREAT...ISOLATED DAMAGING GUSTS
POSSIBLE. AREA E OF WW IS BEING MONITORED FOR ADDITIONAL WW WITH
POTENTIAL FOR THREAT TO SHIFT SLOWLY EWD THROUGH EVENING AS
INDIVIDUAL STORMS MOVE NEWD.

MODIFIED RUC SOUNDINGS INDICATE MLCAPES AROUND 1500 J/KG IN INFLOW
SECTOR OF SFC-BASED CONVECTION ALONG/AHEAD OF SFC FRONTAL ZONE...AND
1000-1500 J/KG MUCAPE BASED VERY NEAR SFC WITHIN 50-80 NM W OF
FRONT. AT 20Z FRONT WAS ANALYZED FROM HARPER COUNTY NNEWD AND
DRIFTING EWD 10 KT OR LESS.  HAIL TO 1.75 INCH REPORTED IN SEDGWICK
COUNTY PAST HALF HOUR...AS WELL AS GUSTS 50-55 KT IN MCPHERSON
COUNTY.PREVIOUSLY ELEVATED CONVECTION MOVING NEWD 40-50 KT OUT OF
NWRN OK IS EVOLVING INTO BOW ECHO AND MAY PRODUCE DAMAGING WIND AS
IT CROSSES RELATIVELY DRY AND DIABATICALLY HEATED SFC AIR MASS JUST
BEHIND FRONT.  MAIN THREAT WITH THIS ACTIVITY EXTENDS FROM
PRATT/BARBER COUNTIES NEWD ACROSS HUT AREA.

..EDWARDS.. 05/12/2005

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

ATTN...WFO...TOP...ICT...GID...DDC...

37029751 37009989 39989888 39969644 

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