Nov 26, 2005 2000 UTC Day 1 Convective Outlook Updated: Sat Nov 26 19:54:12 UTC 2005 Probabilistic to Categorical Outlook Conversion Table in HTML, or PDF formats.
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SPC AC 261951 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0151 PM CST SAT NOV 26 2005 VALID 262000Z - 271200Z THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 45 S LCH 25 NNW LCH 20 SW HEZ 35 ESE MCB 60 SSE BVE. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 15 ENE U28 35 ENE RKS 20 SW LAR 25 E 4FC 45 E DRO 20 SSW CEZ 15 E 4BL 15 ENE U28. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 NNW CLM 40 S OLM 35 SE EUG 40 NNW MFR 40 E CEC 30 SSW CEC 35 SW CEC. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 50 S PSX 25 SW LBX 30 ENE HOU 20 SE LFK 10 S GGG 25 E DUA 10 SE ADM 20 W TUL 30 E EMP 20 ENE CNK 35 ESE HSI 30 SSW OLU 20 N SLB 30 WNW RST 30 SSE CWA 15 E MTW 10 N AZO 15 SSW FWA 30 ENE EVV 50 SW BNA 0A8 40 SW PFN. ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS CNTRL/SRN LA AND EXTREME SWRN MS... ...LWR MS VLY... MCS HAS BECOME MORE ORGANIZED THIS AFTN...WITH A WELL-DEVELOPED SUB-SYNOPTIC SCALE CIRCULATION MOVING INTO WCNTRL LA. A LINE OF TSTMS HAS EVOLVED SWD THROUGH SWRN LA AND INTO THE WRN GULF OF MEXICO AT MID-AFTN. ADDITIONAL...MORE DISCRETE CELLS...WERE FORMING JUST AHEAD OF THE LINE SEGMENT...MAINLY OFFSHORE...BEFORE GETTING ABSORBED INTO THE EWD-MOVING LINE. THE MID-LEVEL WAVE ASSOCIATED WITH THE MCS IS EXPECTED TO EJECT NEWD TONIGHT TOWARD THE TN VLY...WITH THE STRONGEST PORTION OF THE LLJ SHIFTING NWD WITH TIME. TSTM WILL TEND TO DEVELOP ENEWD ACROSS LA AND INTO MS OVERNIGHT IN THE ZONE OF LARGE SCALE ASCENT AND WARM/MOIST ADVECTION. THE WARM FRONT...NOW ANALYZED ALONG THE LA COAST...SHOULD MOVE INLAND THIS EVENING...AT LEAST TO THE I-10/I-12 CORRIDOR...AS PRESSURES CONTINUE TO FALL IN THE LWR MS VLY. CONSEQUENTLY...THE BOUNDARY LAYER WILL GRADUALLY DESTABILIZE WITH THE THREAT FOR SURFACE-BASED TSTMS THROUGH THE EVENING. THE LINE OF TSTMS WILL LIKELY MAINTAIN CHARACTER WITH ISOLD EMBEDDED SUPERCELLS AND LEWPS/BOWS GIVEN THE 50 KTS OF DEEP LAYER VERTICAL SHEAR. DISCRETE SUPERCELLS WILL BE POSSIBLE ACROSS EXTREME SRN LA AHEAD OF THE LINE WHERE INSTABILITY WILL BE THE STRONGEST...BUT THIS SCENARIO SHOULD SUBSIDE AS STRONGEST ASCENT PASSES FARTHER N WITH TIME. DAMAGING WINDS AND A COUPLE OF TORNADOES WILL BE THE PRIMARY THREATS ACROSS CNTRL/SRN LA. TSTMS WILL TEND TO BE MORE ELEVATED AT FARTHER N LATITUDES IN LA/MS...BUT COULD STILL PRODUCE GUSTY WINDS /ISOLD SEVERE/ WHERE THE BOUNDARY LAYER WARMED SOMEWHAT THIS AFTN. ..RACY.. 11/26/2005 ...NOTICE... THE STATION RELATIVE POINTS IN THIS PRODUCT WILL BE DISCONTINUED ON 14 FEBRUARY 2006 BUT WILL REMAIN AVAILABLE IN THE FOLLOWING PRODUCTS: WMO HEADER: AWIPS ID: WUUS01 PTSDY1 WUUS02 PTSDY2 WUUS03 PTSDY3 A SERVICE CHANGE NOTICE ...SCN05-39... PROVIDES DETAILS ON THE TRANSITION. FOR ADDITIONAL DETAILS SEE THE FOLLOWING WEB ADDRESS USING LOWER CASE LETTERS: WWW.NWS.NOAA.GOV/OM/NOTIF.HTM CLICK TO GET WUUS01 PTSDY1 PRODUCT NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0100Z |