SWOMCD
SPC MCD 140548
PAZ000-OHZ000-INZ000-140715-
MESOSCALE DISCUSSION 0552
NWS STORM PREDICTION CENTER NORMAN OK
1248 AM CDT FRI MAY 14 2010
AREAS AFFECTED...NRN OH
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 140548Z - 140715Z
AN ISOLATED TORNADO OR TWO WILL BE POSSIBLE WITH ROTATING STORMS
ALONG A STALLED OUTFLOW BOUNDARY/WARM FRONT ACROSS NRN OH. THIS
AREA WILL BE MONITORED FOR A POSSIBLE WATCH IN THE NEXT HOUR OR SO.
ISOLATED THUNDERSTORMS HAVE PERSISTED ALONG THE NRN FRINGE OF THE
WARM SECTOR FROM NE INDIANA INTO NW OH. ONE STORM CLUSTER IN
PARTICULAR /VAN WERT COUNTY OH/ APPEARS TO BE MOVING EWD ALONG A
WEAK OUTFLOW BOUNDARY TRAILING WWD FROM CONVECTION NEAR CLE. THE
BACKGROUND ENVIRONMENT CONSISTS OF 500-750 J/KG SBCAPE AND LARGELY
UNIDIRECTIONAL WSWLY WIND PROFILES WITH SUBSTANTIAL SPEED
SHEAR...WITH SOMEWHAT ENHANCED LOW-LEVEL SHEAR ALONG THE OUTFLOW
BOUNDARY/WARM FRONT. THIS COMBINATION OF INGREDIENTS APPEARS AT
LEAST MARGINALLY SUPPORTIVE OF CONTINUED SUPERCELL STRUCTURES WITH
THE POTENTIAL FOR AN ISOLATED TORNADO OR TWO...ALONG WITH DAMAGING
WINDS. ADDITIONALLY...THE CONVECTION WILL BE SUPPORTED BY THE
GLANCING INFLUENCE OF A MID-UPPER SPEED MAX EJECTING ENEWD FROM
CENTRAL IL TOWARD NRN INDIANA/NW OH.
..THOMPSON.. 05/14/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...PBZ...CLE...ILN...IWX...
LAT...LON 40738037 40598170 40308338 40358486 40658480 41278405
41348299 41308171 41398093 41238042 40968031 40778046
40738037
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