SWODY1
SPC AC 190054
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0754 PM CDT MON APR 18 2011
VALID 190100Z - 191200Z
...THERE IS A SLGT RISK OF SVR TSTMS FROM CENTRAL MO EWD TO SRN
INDIANA...
...MO/SRN IL/SRN INDIANA AND VICINITY...
STRENGTHENING LOW-LEVEL JET -- AND ASSOCIATED INCREASE IN WARM
ADVECTION/ISENTROPIC LIFT INVOF/N OF THE SURFACE FRONT -- APPEARS
LIKELY TO SUPPORT ELEVATED CONVECTIVE EXPANSION OVER THE NEXT
SEVERAL HOURS.
WITH STEEP LAPSE RATES ALOFT SUPPORTING MODERATE ELEVATED
INSTABILITY AND MODERATE MID-LEVEL WSWLYS SUFFICIENT TO SUSTAIN A
FEW STRONGER UPDRAFTS...WILL MAINTAIN SLIGHT RISK FOR MARGINAL HAIL
ACROSS THIS REGION.
..GOSS.. 04/19/2011
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