ZCZC SPCSWODY1 ALL ACUS01 KWNS 032117 SPC AC 032117 DAY 1 CONVECTIVE OUTLOOK RESENT 1 NWS STORM PREDICTION CENTER NORMAN OK 0317 PM CST WED DEC 03 2003 VALID 032000Z - 041200Z GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 40 NNW DAB 20 WNW SSI 30 NE SAV 30 SSW CRE. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 30 SE GPT 30 SSW LUL 35 NE HEZ 35 NW GLH 25 SSE MDH 40 ESE BMG 35 W LUK 35 S LUK 35 SW LOZ 20 SE CSV 15 ENE RMG 25 WNW MCN 25 NE MGR 25 SSE TLH. ...NO SVR TSTM AREAS FORECAST... ...SYNOPSIS... FAST MOVING SHORTWAVE TROUGH NOW OVER THE SRN PLAINS WILL CONTINUE EWD ACROSS THE LOWER/MID MS RIVER VALLEY THROUGH THE REST OF THE PERIOD. WEAK LAPSE RATES AND MARGINAL LOW LEVEL MOISTURE WILL LIKELY PERSIST AHEAD OF THIS SYSTEM AND LIMIT OVERALL INSTABILITY. HOWEVER...INCREASING ASCENT AS LOW LEVEL WAA INTENSIFIES LATER THIS EVENING/OVERNIGHT IS EXPECTED TO SUPPORT ELEVATED CONVECTION AND A FEW THUNDERSTORMS INTO PORTIONS OF THE OH/TN RIVER VALLEYS...AS AIR MASS BECOMES WEAKLY UNSTABLE. A FEW THUNDERSTORMS ARE ALSO ANTICIPATED FROM THE CENTRAL GULF COAST NNEWD TOWARDS THE SRN APPALACHIANS AS AIR MASS SLOWLY DESTABILIZES AND LARGE SCALE ASCENT BECOMES SUFFICIENT FOR DEEP CONVECTION. ..EVANS.. 12/03/2003 ...NOTICE... FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3. THE INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED. $$ |