SWOMCD
SPC MCD 050334
KSZ000-NEZ000-050430-
MESOSCALE DISCUSSION 0692
NWS STORM PREDICTION CENTER NORMAN OK
1034 PM CDT FRI MAY 04 2007
AREAS AFFECTED...ERN NEB AND ERN KS
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 050334Z - 050430Z
SUPERCELL TSTMS CONTINUE TO EVOLVE ACROSS SCNTRL NEB AND CNTRL KS
LATE THIS EVENING. LLJ AXIS IS EXPECTED TO GRADUALLY BROADEN AND
SHIFT EWD DURING THE NEXT SEVERAL HOURS...INCREASING THE LOW-LEVEL
WARM/MOIST ADVECTION REGIMES ACROSS ERN PARTS OF KS/NEB OVERNIGHT.
AT THE SAME TIME...UPPER LEVELS ARE EXPECTED TO BECOME MORE
DIFFLUENT/DIVERGENT WITH TIME AND LIKELY SUPPORT INCREASING TSTM
PROBABILITIES. AS THE SUPERCELLS APPROACH THE ERN EDGE OF WT/S
227/229 AND THREAT FOR ADDITIONAL STORMS SHIFTS EWD...A NEW WW MAY
BE NEEDED DOWNSTREAM FOR A NARROW ZONE ROUGHLY FROM THE NERN KS INTO
ERN NEB. GIVEN PRESENCE OF A NW-SE ORIENTED WARM FRONT AND ENHANCED
LOW-LEVEL SHEAR...TORNADOES WILL REMAIN POSSIBLE WITH ANY TSTM ALONG
WITH LARGE HAIL AND DAMAGING WIND GUSTS.
.RACY.. 05/05/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...OAX...TOP...ICT...GID...
38039765 42009756 41929658 38449643
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