ZCZC SPCSWODY1 ALL ACUS01 KWNS 141611 SPC AC 141611 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 1011 AM CST SUN DEC 14 2003 VALID 141630Z - 151200Z GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 60 SSE CTY 20 SE JAX. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 15 SSW SEA 70 NNE MFR 20 N MHS 30 WSW WMC 20 WNW OGD 25 NNW GJT 30 NNE CEZ 55 WSW FMN 70 N INW 40 SW GCN 55 SSW LAS 15 WNW EDW 25 NW SMX. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 25 SSE OAJ 45 NE RWI 10 NW NHK 25 ENE ABE 20 E POU 25 ESE BOS. ...NO SVR TSTM AREAS FORECAST... PROGRESSIVE UPPER PATTERN EXISTS ACROSS THE UNITED STATES TODAY...AS STRONG TROUGH TRACKS EASTWARD ACROSS THE UPPER OH VALLEY AND MID ATLANTIC STATES...AND A SECOND TROUGH DIGS RAPIDLY EASTWARD TOWARD THE GREAT BASIN. MAIN SURFACE BAROCLINIC ZONE EXTENDS FROM NEAR THE OUTER BANKS OF NC SOUTHWESTWARD ACROSS CENTRAL FL. SCATTERED SHOWERS/THUNDERSTORMS ARE OCCURRING ALONG THIS AXIS...AND WILL PERSIST THROUGH THE DAY. TROPICAL AIRMASS HAS MOVED INTO SOUTH FL...WHERE MODERATE INSTABILITY AND FAVORABLE DEEP LAYER VERTICAL SHEAR ARE PRESENT. THIS MAY RESULT IN ISOLATED STRONG/SEVERE GUSTS FOR A FEW HOURS THIS MORNING OR EARLY AFTERNOON BEFORE ACTIVITY MOVES OFFSHORE. REFER TO MCD NUMBER 2611 FOR FURTHER DETAILS. LINE OF STORMS HAS CLEARED THE OUTER BANKS OF NC...ENDING SEVERE THREAT IN THAT REGION. NEXT UPPER SYSTEM IS ROTATING INTO NORTHERN CA THIS MORNING... SLIGHTLY FASTER THAN EARLIER PROGD. PRESENT INDICATIONS ARE THAT COLD THERMODYNAMIC PROFILES AND LIMITED MOISTURE WILL LIMIT THE RISK OF STRONG THUNDERSTORMS TODAY IN THAT REGION. ..HART/TAYLOR.. 12/14/2003 ...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. $$ |