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Displaying AFOS PIL: SWOMCD Product Timestamp: 2003-05-07 14:47 UTC
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222 ACUS11 KWNS 071447 SWOMCD SPC MCD 071447 MSZ000-LAZ000-ARZ000-071645- MESOSCALE DISCUSSION 0817 NWS STORM PREDICTION CENTER NORMAN OK 0947 AM CDT WED MAY 07 2003 AREAS AFFECTED...NRN LA/WRN-NCNTRL MS CONCERNING...TORNADO WATCH 282... VALID 071447Z - 071645Z MCS CURRENTLY MOVING ACROSS MS/LA/TN WILL CONTINUE TO HAVE A THREAT FOR ISOLATED WIND DAMAGE AND TORNADOES. HEAVY RAIN IN THE NERN PART OF WW 282 HAS WORKED THE AIR MASS OVER AND THE SEVERE THREAT HAS DIMINISHED THERE. HOWEVER...IN THE SRN PART OF THE WW AND ACROSS NRN LA AND MS...THE AIR REMAINS UNDISTURBED WITH MLCAPE VALUES OF 1500-2000 J/KG. THE INSTABILITY AXIS EXTENDED FROM ERN TX NEWD THROUGH NRN LA AND CNTRL MS. THE CURRENT LARGE CONVECTIVE CLUSTER OF STORMS IS EXPECTED TO DEVELOP ESEWD INTO THE INSTABILITY AXIS LATE THIS MORNING INTO THIS AFTERNOON. DEEP LAYER SHEAR OF 35 KT COUPLED WITH THE MODERATE INSTABILITY IS SUFFICIENT FOR ORGANIZED SEVERE MULTICELLS. WIND DAMAGE POTENTIAL WILL BE MAXIMIZED WITH CELLS THAT MOVE PARALLEL TO THE WLY UPPER-FLOW. TORNADOES WILL ALSO BE POSSIBLE ESPECIALLY ALONG BOUNDARY INTERACTIONS. NEW WW MAY BE NEEDED S OF THE CURRENT WATCH BEFORE SCHEDULE EXPIRATION AT 16Z. ..BROYLES.. 05/07/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...MEG...JAN...LIX...LCH...SHV... 32879281 32939162 33209067 33619000 34098946 34168902 34138836 33668847 32168953 31459037 31259159 31349340 32209335 32829293