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Mesoscale Discussion 375 |
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MESOSCALE DISCUSSION 0375
NWS STORM PREDICTION CENTER NORMAN OK
0530 PM CDT WED MAR 28 2012
AREAS AFFECTED...FAR SRN NEB...MUCH OF NERN KS...NWRN MO
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 282230Z - 290030Z
AN INCREASE IN CONVECTIVE COVERAGE AND INTENSITY IS EXPECTED OVER
THE NEXT FEW HOURS WITH A LARGE HAIL THREAT. DAMAGING WINDS MAY ALSO
BECOME POSSIBLE AND A WATCH MAY BE REQUIRED.
STORMS ARE BEGINNING TO FORM AND INCREASE IN COVERAGE ACROSS E CNTRL
KS WHERE STRONG HEATING AND DEWPOINTS IN THE LOWER 60S F HAVE
CONTRIBUTED TO 2000-3000 J/KG MUCAPE. CONVERGENCE ALONG A BROAD WARM
FRONT AND STEADY ISENTROPIC LIFT ASSOCIATED WITH 20 KT SWLY 850 MB
FLOW SHOULD ALLOW MORE STORMS TO FORM THIS EVENING. FORECAST
SOUNDINGS AND OBJECTIVE ANALYSIS INDICATE THAT CONVECTIVE INHIBITION
WILL REMAIN MINIMAL AND LIFT FROM WARM ADVECTION MAY INCREASE OVER
NERN KS AND NWRN MO.
SHEAR PROFILES ARE NOT STRONG BUT SUFFICIENT FOR SUPERCELLS GIVEN
LOW LEVEL VEERING AND FAVORABLE THERMODYNAMICS IN PLACE. RATHER SLOW
MOVING SUPERCELLS WILL BE POSSIBLE PRODUCING LARGE HAIL...AND A
DAMAGING WIND THREAT COULD ARISE IF STORMS CAN CONGEAL INTO A SMALL
MCS.
..JEWELL.. 03/28/2012
ATTN...WFO...SGF...EAX...OAX...TOP...ICT...GID...
LAT...LON 39329417 38579402 37729421 37349523 37779648 38399685
39009762 39779933 40139933 40369882 40259707 40009591
39759471 39329417
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