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Displaying AFOS PIL: SWOMCD Product Timestamp: 2003-05-05 22:18 UTC
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765 ACUS11 KWNS 052218 SWOMCD SPC MCD 052218 TNZ000-MOZ000-ARZ000-MSZ000-LAZ000-TXZ000-060015- MESOSCALE DISCUSSION 0771 NWS STORM PREDICTION CENTER NORMAN OK 0518 PM CDT MON MAY 05 2003 AREAS AFFECTED...NRN LA...AR...MO BOOTHEEL...EXTREME WRN TN CONCERNING...TORNADO WATCH 255... VALID 052218Z - 060015Z CONVECTION HAS COOLED/STABILIZED BOUNDARY LAYER OVER A LARGE PART OF SOUTH CENTRAL/EASTERN ARKANSAS...BUT NARROW TONGUE OF VERY MOIST AND UNSTABLE AIR MASS PERSISTS ALONG LOW-LEVEL CONFLUENT BAND THAT EXTENDS WEST NORTHWEST OF LITTLE ROCK THROUGH THE JONESBORO AR AREA ...ON NORTHEASTWARD ALONG THE OHIO RIVER INTO THE CINCINNATI AREA. MEAN MIXED LAYER CAPE OF 3000 TO 4000 J/KG IN THE VICINITY OF THIS BOUNDARY REMAINS VERY FAVORABLE FOR INTENSE CONVECTIVE DEVELOPMENT NEXT FEW HOURS. HODOGRAPHS ALSO APPEAR TO REMAIN SUPPORTIVE OF TORNADOES WITH STRONGER SUPERCELLS...INCLUDING INTENSE CELL NOW DEVELOPING NORTH OF THE BLYTHEVILLE AREA. THIS SUPERCELL WILL CONTINUE EAST NORTHEASTWARD INTO NORTHWEST TENNESSEE NEXT COUPLE OF HOURS...NEAR/NORTH OF DYERSBURG ...WHERE STRONGER PRESSURE FALLS HAVE DEVELOPED DURING THE PAST HOUR. OTHER SCATTERED INTENSE CONVECTION CONTINUES TO DEVELOP UPSTREAM TOWARD LITTLE ROCK. OTHERWISE...WARM ADVECTION ALONG OUTFLOW BOUNDARY WILL CONTINUE TO PROVIDE FOCUS FOR INTENSE CONVECTIVE DEVELOPMENT...INCLUDING POSSIBLE TORNADIC SUPERCELLS NORTHWEST THROUGH NORTHEAST OF EL DORADO INTO EARLY EVENING. ..KERR.. 05/05/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...PAH...MEG...JAN...LZK...SHV... 34509318 35049241 35839132 36339042 36498941 35938919 35369038 34549149 33919170 33459119 33009176 33129304 33119407 33739414