National Weather Service Raw Text Product
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Displaying AFOS PIL: SWOMCD Product Timestamp: 2003-05-07 12:06 UTC
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477 ACUS11 KWNS 071207 SWOMCD SPC MCD 071206 TNZ000-ALZ000-KYZ000-MSZ000-ARZ000-LAZ000-071400- MESOSCALE DISCUSSION 0816 NWS STORM PREDICTION CENTER NORMAN OK 0706 AM CDT WED MAY 07 2003 AREAS AFFECTED...WRN/MID TN...ERN AR...NERN LA...NRN MS...NRN AL CONCERNING...TORNADO WATCH 282... VALID 071206Z - 071400Z CLUSTERS OF TSTMS CONTINUE MOVING EWD ACROSS SRN AR...NERN LA AND NWRN MS..WITH POTENTIAL FOR A FEW TORNADOES FROM MESOCYCLONES EMBEDDED WITHIN THE COMPLEXES. ADDITIONAL WW WILL BE REQUIRED SHORTLY E OF 282. FOREGOING AIR MASS ACROSS NRN MS HAS BEEN RELATIVELY UNDISTURBED BY RECENT CONVECTION AND REMAINS SUITABLY UNSTABLE...WITH ELEVATED MUCAPE ESTIMATED IN 1500-2000 J/KG RANGE. VERTICAL SHEAR PROFILES ARE FAVORABLE FOR SUPERCELLS AND BOW ECHOES...WITH 300-450 J/KG SRH IN 0-3 KM LAYER FOR STORMS DEVIANTLY MOVING EWD...AS HAS BEEN OBSERVED WITH SOME OF THIS ACTIVITY. OUTFLOW BOUNDARY ANALYZED ACROSS EXTREME NRN AL IS EXPECTED TO LIFT NWD INTO PORTIONS MID TN...PROVIDING ENHANCED LOW LEVEL VORTICITY/SHEAR/SR INFLOW FOR ANY DISCRETE CELLS WHICH CAN INTERACT WITH BOUNDARY TO INCREASE TORNADO POTENTIAL. ATTM MOST CONVECTION OVER MID TN IS N OF THIS BOUNDARY. HOWEVER...TSTMS NOW OVER WRN TN SHOULD MOVE EWD INTO MID TN WITH ADDITIONAL DEVELOPMENT POSSIBLE INVOF RETREATING OUTFLOW BOUNDARY. ..EDWARDS.. 05/07/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...OHX...HUN...PAH...MEG...JAN...LZK...SHV...MRX...BMX... 32208995 32189337 33659228 34189131 36558847 36558619 33298907 36408634 35798557 34918562 33788679 33218834
000 ACUS11 KWNS 071207 SWOMCD SPC MCD 071206 TNZ000-ALZ000-KYZ000-MSZ000-ARZ000-LAZ000-071400- MESOSCALE DISCUSSION 0816 NWS STORM PREDICTION CENTER NORMAN OK 0706 AM CDT WED MAY 07 2003 AREAS AFFECTED...WRN/MID TN...ERN AR...NERN LA...NRN MS...NRN AL CONCERNING...TORNADO WATCH 282... VALID 071206Z - 071400Z CLUSTERS OF TSTMS CONTINUE MOVING EWD ACROSS SRN AR...NERN LA AND NWRN MS..WITH POTENTIAL FOR A FEW TORNADOES FROM MESOCYCLONES EMBEDDED WITHIN THE COMPLEXES. ADDITIONAL WW WILL BE REQUIRED SHORTLY E OF 282. FOREGOING AIR MASS ACROSS NRN MS HAS BEEN RELATIVELY UNDISTURBED BY RECENT CONVECTION AND REMAINS SUITABLY UNSTABLE...WITH ELEVATED MUCAPE ESTIMATED IN 1500-2000 J/KG RANGE. VERTICAL SHEAR PROFILES ARE FAVORABLE FOR SUPERCELLS AND BOW ECHOES...WITH 300-450 J/KG SRH IN 0-3 KM LAYER FOR STORMS DEVIANTLY MOVING EWD...AS HAS BEEN OBSERVED WITH SOME OF THIS ACTIVITY. OUTFLOW BOUNDARY ANALYZED ACROSS EXTREME NRN AL IS EXPECTED TO LIFT NWD INTO PORTIONS MID TN...PROVIDING ENHANCED LOW LEVEL VORTICITY/SHEAR/SR INFLOW FOR ANY DISCRETE CELLS WHICH CAN INTERACT WITH BOUNDARY TO INCREASE TORNADO POTENTIAL. ATTM MOST CONVECTION OVER MID TN IS N OF THIS BOUNDARY. HOWEVER...TSTMS NOW OVER WRN TN SHOULD MOVE EWD INTO MID TN WITH ADDITIONAL DEVELOPMENT POSSIBLE INVOF RETREATING OUTFLOW BOUNDARY. ..EDWARDS.. 05/07/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...OHX...HUN...PAH...MEG...JAN...LZK...SHV...MRX...BMX... 32208995 32189337 33659228 34189131 36558847 36558619 33298907 36408634 35798557 34918562 33788679 33218834