ZCZC SPCSWODY1 ALL
ACUS01 KWNS 091954
SPC AC 091954

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0154 PM CST TUE DEC 09 2003

VALID 092000Z - 101200Z

THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM GLS 20
WSW BPT 45 WSW POE 45 NW POE 30 ENE TXK 25 E FSM 25 W HRO 40 NE HRO
20 E UNO 20 NW DYR 40 SSE MKL 20 W TCL 40 WSW PNS.

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 E PSX 45 WNW BPT
45 NE LFK 10 WSW TXK 35 S PGO 10 SE MLC 25 ESE OKC 15 S END 30 ESE
P28 HUT 30 W FNB CID 40 SE MKE 20 NE AZO 15 NNE TOL 20 SSW MFD 50 W
UNI 25 NNE CSV 20 SSW RMG 10 W CSG 35 S TLH.

GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 15 SSW OTH 45 SSW MHS
50 E UKI SFO.

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PORTIONS OF FAR SERN
TX...LA...AR...FAR SW TN...MS...FAR WRN AL...

...AR/LA/MS/WRN TN/WRN AL/FAR SE TX...
A LINE OF CONVECTION IS CURRENTLY ONGOING ACROSS AR AND WRN LA AHEAD
OF A STRONG COLD FRONT. AS A VIGOROUS UPPER-LEVEL LOW CENTER AND
ASSOCIATED TROUGH LIFTS NEWD TONIGHT...THE LINE WILL MOVE EWD ACROSS
THE MID-MS VALLEY AND SHOULD STRENGTHEN AS IT MOVES EWD INTO WARMER
SFC AIR. LOWER 70 F SFC TEMPS EXTEND AS FAR NORTH AS NWRN MS WHICH
IS RESULTING IN WEAK INSTABILITY AHEAD OF THE LINE WITH MLCAPE
VALUES RANGING FROM 250 J/KG ACROSS SRN AR AND NRN LA TO AROUND 500
J/KG ACROSS SRN LA. THIS COMBINED WITH 0-6 KM SHEAR AROUND 60 KT
WILL SUSTAIN AN ISOLATED WIND DAMAGE THREAT WITH THE STRONGER CELLS
THIS EVENING. IN ADDITION...BACKED SFC FLOW IS RESULTING IN STRONG
LOW-LEVEL DIRECTIONAL SHEAR PROFILES WHICH SHOULD CONTINUE AN
ISOLATED TORNADO THREAT. THE HAIL THREAT WILL BE MINIMAL BECAUSE OF
THE MARGINAL LAPSE RATES AND WEAK INSTABILITY IN PLACE. THE WIND
DAMAGE AND ISOLATED TORNADO THREAT SHOULD CONTINUE AFTER MIDNIGHT AS
THE LINE MOVES EWD ACROSS MS.

..BROYLES.. 12/09/2003

...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.

$$