SWOMCD
SPC MCD 101900
MNZ000-IAZ000-SDZ000-NEZ000-102000-
MESOSCALE DISCUSSION 1082
NWS STORM PREDICTION CENTER NORMAN OK
0200 PM CDT SUN JUN 10 2007
AREAS AFFECTED...CENTRAL/SRN SD...EXTREME NRN NEB...SWRN MN AND FAR
NNWRN IA
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 101900Z - 102000Z
STORMS EXPECTED TO INCREASE IN COVERAGE ACROSS PORTIONS OF
CENTRAL/ERN SD...SWRN MN...NWRN IA AND EXTREME NRN NEB AND A WW
LIKELY WILL BE ISSUED SOON.
ISOLATED ELEVATED STORMS WITH HAIL HAVE BEEN ONGOING WEST OF FSD THE
PAST FEW HOURS...AND STORM COVERAGE HAS RECENTLY INCREASED AS RICHER
BOUNDARY LAYER MOISTURE...MID 60 DEWPOINTS...SPREAD SLOWLY NWD.
ALTHOUGH THE STORMS APPEAR TO BE SLIGHT ELEVATED...ADDITIONAL
HEATING OF THE MOISTENING BOUNDARY LAYER AND STEEP MID LEVEL LAPSE
RATES SHOULD RESULT IN SURFACE BASED STORMS WITHIN STRONGLY UNSTABLE
ENVIRONMENT...MLCAPES FROM 2500-3000 J/KG. VEERING WIND PROFILES ARE
RESULTING IN DEEP LAYER SHEAR AT 30-40 KT... SUFFICIENT FOR SOME MID
LEVEL ROTATION. OTHER STORMS ARE ALSO EXPECTED TO DEVELOP IN CENTRAL
SD...ALONG THE WRN EDGE OF THE INSTABILITY AXIS. WW LIKELY WILL BE
NEEDED SOON AS STORMS BECOME SURFACE BASED AND THREAT FOR LARGER
HAIL AND WIND DAMAGE INCREASES.
.IMY.. 06/10/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MPX...DMX...FSD...OAX...ABR...LBF...UNR...
42759519 42569890 42720133 45410134 45450021 45479864
45439760 45179572 44529426 43339447
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